faculty of natural and agricultural science fakulteit natuur - Support ...

FACULTY OF NATURAL AND AGRICULTURAL SCIENCE 

FAKULTEIT NATUUR- EN LANDBOUWETENSKAPPE 

Dean/Dekaan: Prof. G.N. van Wyk 

+27-(0)51-401-2322 

+27-(0)51-447-7980 

dean.sci@mail.uovs.ac.za 

DEPARTMENT OF AGRICULTURAL ECONOMICS 

DEPARTEMENT LANDBOU-EKONOMIE 

Head of the Department/Departementshoof: Prof. H.D. van Schalkwyk 

+27-(0)51-401-2824 

+27-(0)51-401-3473 

hvs@sci.uovs.ac.za 

Authors in the Department/Outeurs verbonde aan die departement: 

Armour, R.J. Mr/Mnr. 

Balyamujura, H.N. Mr/Mnr. 

Bashi, J. Mr/Mnr. 

Booysen, H.J. Mr/Mnr. 

Botha, P.W. Mr/Mnr. 

Cronje, A.M. Mr/Mnr. 

Dudley, N.J. Dr 

Du Plessis, J.H. Mr/Mnr. 

Du Plessis, L.A. Dr. 

Ferreira, S.L. Mr/Mnr. 

Frick, A. Mr/Mnr. 

Gakpo, E.M.Y. Mr/Mnr. 

Geldenhuys, F.I. Miss/Mej. 

Groenewald, J.A. Prof. 

Grönum, C.F. Mr/Mnr. 

Grové, B.Mr/Mnr. 

Jooste, A. Mr/Mnr. 

Khorommbi, N.E. Mr/Mnr. 

Louw, D.B. Mr/Mnr. 

Meiring, J.A. Dr. 

Nell, W. Dr. 

Oosthuizen, L.K. Prof. 

Pretorius, I.G. Mr/Mnr. 

Tshilamatanda, M.R. Mr/Mnr. 

Van Schalkwyk, H.D. Prof. 

Viljoen, L.J.C. Mr/Mnr. 

Viljoen, M.F. Prof. 

Category / Kategorie 2 

Chapters in books / Hoofstukke in boeke 

RADEMAN, H.D., VAN SCHALKWYK, H.D., GELDENHUYS, F.I. 

Waardering van landbougrond [Valuation of agricultural land]. Institution of Land Values, Pretoria. 

2000. 

Category / Kategorie 3.1

Conference proceedings / Konferensieverhandelinge 

DU PLESSIS, L.A., GAKPO, E.M.Y. 

Towards institutional arrangements to ensure optimal allocation and security of South Africa's water 

resources. AEASA Conference. 27-29 September 2000. Sun City. 

DU PLESSIS, L.A. 

Influence of dams on river hydraulic for determining optimal level height in Lower Orange river. 

SAIAE 2000 Symposium, 25-27 July 2000. Magaliespark, Pretoria. 

DU PLESSIS L.A. 

A new and unique approach for flood disaster management. SAIAE 2000 Symposium, 25-27 July 

2000. Magaliespark, Pretoria. 

DU PLESSIS, L.A., VILJOEN, M.F. 

Video Remote Sensing as a decision support tool in Water Resource Management. Xth World Water 

Congress, Melbourne. 12-17 March 2000. Australia. 

DU PLESSIS, L.A., VILJOEN, M.F., BOOYSEN, H.J. 

Extending flood damage assessment methodology to include the sociological and environmental 

dimensions. Xth World Congress, Melbourne. 12-17 March 2000. Australia. 

Category/Kategorie 3.2 

Conference presentation / Konferensievoordragte 

BALYAMUJURA, H.N., JOOSTE, A., VAN SCHALKWYK, H.D., CARSTENS, J. 

Impact of the HIV/AIDS pandemic on the demand for food in South Africa. Paper presented at the 

Joint Population Conference: The demographic impact of HIV/AIDS in South Africa and its 

provinces. Port Elizabeth, October 2000. 

BOTHA, P.W., MEIRING, J.A. 

Production risk advice at whole farm level: Representative versus mean farms. Agricultural 

Economics Association of South Africa Annual Conference, Sun City, South Africa, 27-29 September 

2000. 

DU PLESSIS, L.A., GAKPO, E.M.Y. 

Towards institutional arrangements to ensure optimal allocation and security of South Africa's water 

resources. AEASA Conference. 27-29 September 2000. Sun City. 


Influence of dams on river hydraulic for determining optimal level height in Lower Orange river. 

SAIAE 2000 Symposium. 25-27 July 2000. Magaliespark, Pretoria. 


A new and unique approach for flood disaster management. SAIAE 2000 Symposium. 25-27 July 

2000. Magaliespark, Pretoria. 

DU PLESSIS, L.A., VILJOEN, M.F. 

Video Remote Sensing as a decision support tool in Water Resource Management. Xth World Water 

Congress, Melbourne. 12-17 March 2000. Australia. 

DU PLESSIS, L.A., VILJOEN, M.F., BOOYSEN, H.J. 

Extending flood damage assessment methodology to include the sociological and environmental 

dimensions. Xth World Water Congress, Melbourne. 12-17 March 2000. Australia. 

2

3 

FERREIRA, S.L., MEIRING, J.A. 

Die invloed van depresiasie en wyse van depresiasieberekening op die winsgewendheid van 

mikrobesproeiingstelsels [The impact of depreciation and methods of depreciation calculation on the 

profitability of micro-irrigation systems]. South African Institute for Agricultural Engineers 2000 

Symposium, Brits, South Africa, 25 to 27 July 2000, Magaliespark, Pretoria 

FRICK, A.J., DREDGE, R., VAN SCHALKWYK, H.D. 

Needs for Agricultural Statistics. Agricultural Information Workshop. Pretoria, March 2000. 

GRÖNUM, C.F., VAN SCHALKWYK, H.D. 

Optimale gewaskeuse en bemarkingstrategieë vir graanprodusente in Suid-Afrika [Optimum crop 

choice and marketing strategies for grain producers in South Africa]. Annual Conference of AEASA, 

Sun City, September 2000. 

GROVÉ, B., OOSTHUIZEN, L.K. 

Water conservation in irrigated agriculture. SAIAE 2000 Symposium, 25-27 July 200, Magaliespark, 

Pretoria. 

JOOSTE, A. 

Competitiveness of the South African red meat industry. Northern Cape Red Meat Producers 

Organisation, Annual Congress, Kimberley, 2 February 2000. 

JOOSTE, A. 

A beef, sheep, dairy, wool and pork outlook for 2000. Agri-Outlook, Bethlehem, 3 February 2000. 

JOOSTE, A. 

The Red Meat Industry in Perspective. Red Meat Abattoir Association Conference, Bloemfontein. 18 

May 2000. 

JOOSTE, A., BALYAMUJURA, H.N. 

The impact of HIV/AIDS on the agricultural sector of South Africa. Reitz Farmers Day, 5 September 

2000. 

JOOSTE, A., VAN SCHALKWYK, H.D. 

Challenges for the marketing of sheep meat. Dohne Merino Association Conference, Bloemfontein, 12 

September 2000. 


The impact of world trade on the South African red meat industry. LEWOVS, 1 December 2000. 

JOOSTE, A. 

Economic research projects in the red meat industry in South Africa. Southern African Livestock and 

Meat Forum. Lusaka, Zambia, 23 – 25 October 2000. 

LOUW, D.B., VAN SCHALKWYK, H.D. 

The value of water, import of tariff increases and water restrictions in the Berg River basin. 

Agricultural water demand management workshop. Background report, Stellenbosch Business School, 

Bellville, May 2000. 


Water markets an alternative for central water allocation? Upgraded paper presented at the Annual 

Conference of AEASA, Sun City, September 2000. 

NELL, W.T., CRONJE, A.M.

4 

A strategic approach to the production of new crops in South Africa. National New Crop 

Conference, 18-20 January 2000. 

NELL, W.T., VAN SCHALKWYK, H.D. 

Tailor making extension services for institutional change: The case of Qwaqwa. Annual Conference of 

AEASA, Sun City, September 2000 

PRETORIUS, I.G., GROVÉ, B., OOSTHUIZEN, L.K. 

Factors influencing problems within irrigation farming: A logit analysis. South African Institute for 

Agricultural Engineers 2000 Symposium, Brits, South Africa, 25 to 27 July 2000. 

PRETORIUS, C., LOUW, D.B., KLEYNHANS, T.E. 

The Development of a Spatial Decision Support System to Optimise Agricultural Resource Use in the 

Western Cape. Paper presented at the Annual 38 th Conference of AEASA, Sun City, September 2000. 

VILJOEN, M.F., WEEPENER, H.L., MESSERSCHMIDT, H.J. 

Optimising floodplain management with GIS. Second International Conference, 10-12 January 2000, 

lake Buena Vista, Florida, USA. 

VILJOEN, M.F., ARMOUR, R.J. 

The economic effects of stochastic irrigation water quality: A South African case study. Xth World 

Water Congress, Melbourne. 12-17 March 2000. Australia. 

VILJOEN, M.F., DUDLEY, N.J., GAKPO, E.F.Y. 

A Methodological perspective on valuing water: A comparison between linear programming and 

stochastic dynamic programming. LEVSA, 27-29 September 2000, Sun City, South Africa. 

VILJOEN, M.F., ARMOUR, R.J., NELL, W.T. 

The potential and use of electronic mail technology for conducting surveys in South Africa: A case 

study entitled: "SA Agri-Success 2000". LEVSA, 27-29 September 2000, Sun City, South Africa. 

VILJOEN, M.F., ARMOUR, R.J. 

Economic effects of changing water quality on an irrigation scheme: A case study from South Africa. 

FAO Land-Water Linkages in Rural Watersheds Electronic Workshop. Case study number 6. 18 

September - 27 October 2000. 

VAN SCHALKWYK, H.D., DU PLESSIS, J.H. 

Agricultural production in the Goldfields: A historical overview. Odendaalsrus. May 2000. 

VAN SCHALKWYK, H.D., GELDENHUYS, F.I. 

Bemarking in die Landbou [Marketing in Agriculture]. Ermelo District Farmers Union, Ermelo. May 

2000. 


Suid-Afrikaanse landbouprodusente en globalisering [South African agricultural producers and 

globalisation]. Stellenbosch. May 2000. 


Ekonomiese ontwikkeling van die Richtersveld [Economic development in the Richtersveld]. Bakens, 


VAN SCHALKWYK, H.D., GRÖNUM, C.F. 

Landbou as funksionele rolspeler in die Oos-Kaap [Agriculture as functional role-player in the Eastern 

Cape]. Port Elizabeth. August 2000.

5 

VAN SCHALKWYK, H.D., CARSTENS, J., JOOSTE, A., DU PLESSIS, J.H., GELDENHUYS, 

F.I. 

An Agricultural Strategy for the Northern Cape: Phase I. Department of Economic Affairs and 

Tourism, Kimberley, January 2000. 

VAN SCHALKWYK, H.D., CARSTENS, J., DU PLESSIS, J.H., GELDENHUYS, F.I. 

Agricultural Agroprocessing potential for the Northern Cape: Phase II. Department of Economic 

Affairs and Tourism, Kimberley, June 2000. 

VAN SCHALKWYK, H.D., CARSTENS, J., BALYAMUJURA, H.N., GRÖNUM, C.F. 

Unlocking Opportunities in the Eastern Cape Province. Stutterheim, November 2000. 

VAN SCHALKWYK, H.D., BALYAMUJURA, H.N., CARSTENS, J. 

The impact of HIV/Aids on the livelihood of the South African population. Pretoria, December 

2000. 

VAN SCHALKWYK, H.D., DU PLESSIS, J.H., GELDENHUYS, F.I. 

Regeneration of Agriculture in the Goldfields: Project prioritisation. Odendaalsrus, June 2000. 

VAN SCHALKWYK, H.D., JOOSTE, A. 

Die effek van wêreldhandel op die Suid-Afrikaanse vleisbedryf – geleenthede en bedreigings [The 

effect of world trade on the South African meat trade – opportunities and threats]. Benchmark, 

Bonsmara, Excelsior, September 2000. 

VAN SCHALKWYK, H.D. 

Vindingryke landboubestuur in die nuwe millennium [Innovative agricultural management in the new 

millennium]. Kroonstad Farmers Union, Kroonstad, February 2000. 


Interrelationships between Agricultural tariffs Supporting South Africa’s Agriculture with Quantitative 

Tools. AFMA, Pretoria, August 2000. 


Macro-economic trends: International. Stellenbosch, August 2000. 


Tools and methods to establish economic viability of an agricultural business. Training session and 

annual general meeting of SASAE, Kroonstad, September 2000. 


Bemarking van suiwel post [Marketing of dairy post]. SAVST, Bloemfontein, November 2000. 


Macro-Trends in the Rural Areas of South Africa. First National Bank, Johannesburg, November 

2000. 


The impact of world trade on the South African red meat industry – Opportunities and Threats. 

Benchmark Farmers Day, Excelcior, 19 September 2000. 

Category/Kategorie 4 

Research articles in accredited research journals / Navorsingsartikels in geakkrediteerde 

navorsingstydskrifte 

AHMED, M.M., SANDERS, J.H., NELL, W.T.

6 

New sorghum and millet cultivar introduction in Sub-Saharan Africa: Impacts and research agenda. 

Agricultural Systems 2000;64(1):55-65. 

ARMOUR, R.J., VILJOEN, M.F. 

Towards quantifying the economic effects of poor and fluctuating water quality on irrigation 

agriculture: A case study of the Lower Vaal and Riet rivers. Agrekon 2000;39(1):99-110. 

BERNING, C., DU PLESSIS, L.A., VILJOEN, M.F. 

Loss function for sugarcane; Depth and duration of inundation as determinants of extent of flood 

damage. Water SA 2000;26(4):527-530. 

BREITENBACH, M.C., MEYER, N.G. 

Modelling fertilizer use in the grain crop and oilseed sectors of South Africa. Agrekon 2000;39(3):313- 

331. 

DU PLESSIS, J.H., VAN SCHALKWYK, H.D., LOUW, D.B. 

Settlement of small scale farmers in QwaQwa. Agrekon 2000;39(2):151-160. 


Influence of dams on river hydraulic for determining optimal levee height in Lower Orange river. 

Official Journal of the South African Institute of Agricultural Engineers 2000; 32(1):125-130. 


A new and unique approach for flood disaster management. Official Journal of the South African 

Institute of Agricultural Engineers 2000;32(1):114-119 

GROENEWALD, J.A. 

The Agricultural Marketing Act: A post-mortem. South African Journal of Economics 

2000;68(3):364-402. 

GRÖNUM, C.F., DU PLESSIS, J.H., VAN SCHALKWYK, H.D. 

The competitive advantages of dryland soybean production in Brits, North West. Agrekon 

2000;29(3):235-243 

GRÖNUM, C.F., VAN SCHALKWYK, H.D. 

Optimale gewaskeuse en bemarkingstrategieë vir graanprodusente in Suid-Afrika [Optimum crop 

choice and marketing strategics for grain producers in South Africa]. Agrekon 2000;39(4):504-512 

JOOSTE, A., GROENEWALD, J.A. 

Market information to promote agricultural investment: The challenge. South African Journal 

Economic and Management Sciences 2000;3(3):423-435. 

JOUBERT, C., VAN SCHALKWYK, H.D. 

The effect of policy on the South African valencia industry. Agrekon 2000;39(1):82-89 


Water markets an alternative for central water allocation? Agrekon 2000;39(4):484-494 

NELL, W.T., WESSELS, S.J., MOKOKA, J., MACHEDI, S. 

A creative multidisciplinary approach towards the development of food gardening. Development 

Debate and Practice Section. Development Southern Africa. December 2000;17(5):807-819. 

VILJOEN, M.F., DUDLEY, N.J., GAKPO, E.F.Y. 

A methodological perspective on valuing water: a comparison between linear programming and 

stochastic dynamic programming. Agrekon 2000;39(4):471-483


Research articles published in other journals / Navorsingsartikels in ander tydskrifte 


A new and unique approach for flood disaster management. SA Water Bulletin 2000;26(5). ISBN0258- 

2244. 


Natuurrampe se knou versag [Effect of natural disasters alleviated]. Landbouweekblad. 14 Julie/July 

2000. 


Floods: Accurate prediction - damage limitation. Farmer's Weekly. 31 March 2000. 

DU PLESSIS, J.H., JOOSTE, A. 

International Maize Outlook, Farmer's Weekly. 7 July 2000. 


Domestic Maize Outlook, Farmer's Weekly. 14 July 2000. 


International Soybean and Sunflower Outlook, Farmer's Weekly. 11 August 2000. 


Domestic Soybean and Sunflower Outlook, Farmer's Weekly. 18 August 2000. 

GRÖNUM, C,F., JOOSTE, A. 

International Beef Outlook 2000. Farmer’s Weekly. 2 June 2000. 

GRÖNUM, C.F., JOOSTE, A. 

Domestic Beef Outlook 2000. Farmer’s Weekly. 9 June 2000. 


International Pork Outlook 2000. Farmer’s Weekly. 15 June 2000. 


International Pork Outlook 2000. Farmer’s Weekly. 23 June 2000. 

GRÖNUM, C.F. , JOOSTE, A. 

Domestic Pork Outlook 2000. Farmer’s Weekly. 23 June 2000. 

GRÖNUM, C.F. 

Uitkyk op die Suid-Afrikaanse Volstruisbedryf [Outlook on South African ostrich industry]. S.A. 

Ostrich, Oktober/October 2000. 


International Oilseed Production Trends. Grain SA. August 2000. 


International Trade in Sunflower Seed, Soybeans and Groundnuts. Grain SA. November 2000. 


World Consumption of Sunflower Seed, Soybeans and Groundnuts. Grain SA. December 2000. 

7

8 

LOUW, D.B. 

SA kan by Aussies leer van watermarkte [SA can learn about water markets from Aussies]. 

Landbouweekblad, No 115, 7 Julie 2000. 

NELL, W.T. 

Strategiese benadering tot gewaskeuse [Strategic approach to crop choice]. Ons Eie, 2000;53(3). 


World Economic Outlook 2000. Farmer's Weekly, 26 May 2000. 


Domestic Economic Outlook 2000. Farmer's Weekly, 4 June 2000. 


Geleenthede, geleenthede en nog geleenthede [Opportunities, opportunities and more opportunities. 

Landbouweekblad, 1 Desember/December 2000. 

Category 6.1 

Published research reports / Gepubliseerde navorsingsverslae 

VILJOEN, M.F., DU PLESSIS, L.A., BOOYSEN, H.J., WEEPENER, H.L., BRAUNE, M., VAN 

BLADEREN, D., BUTLER, M. 

Flood damage management for integrated sustainable development planning in South Africa. WRC 

Report No 889/1/00. ISBN 1 86845603, Pretoria. 

Category / Kategorie 6.2 

Unpublished research reports / Ongepubliseerde navorsingsverslae 

BALYAMUJURA, H.N., JOOSTE, A., VAN SCHALKWYK, H.D., GELDENHUYS, F.I., CREW, 

M., CARSTENS, J., BOPAPE, L.E., MODISELLE, D.S. 

The impact of HIV/Aids on Agriculture. University of the Free State, Bloemfontein. 

BASHI, J., VAN SCHALKWYK, H.D. 

The potential of Rabbit production by small-scale farmers in the Kroonstad district. University of the 

Free State, Bloemfontein. 

DU PLESSIS, J.H., VAN SCHALKWYK, H.D. 

Business plan for Brandfort regeneration study: Meat processing plant in Brandfort. University of the 

Free State. November 2000. 

GELDENHUYS, F.I., VAN SCHALKWYK, H.D. 

Feasibility of Hydroponic Herb production. University of the Free State, Bloemfontein. 

GRÖNUM, C.F., VAN SCHALKWYK, H.D., JOOSTE, A., DU PLESSIS, J.H., GELDENHUYS, 

F.I., LOUW, D.B., GELDENHUYS, J.P. 

Lucerne production in South Africa. University of the Free State, Bloemfontein. 

JOOSTE, A, VAN SCHALKWYK, H.D. 

International Oilseed Production Trends. Grain SA. August 2000. 


International Trade in Sunflower Seed, Soybeans and Groundnuts. Grain SA. November 2000. 


World Consumption of Sunflower Seed, Soybeans and Groundnuts. Grain SA. December 2000.

JOOSTE, A., VAN SCHALKWYK, H.D., GELDENHUYS, F.I., VAN DEN BERG, 

Competitiveness of the primary oilseeds industry in South Africa. University of the Free State, 

Bloemfontein. 

JOOSTE, A., VAN SCHALKWYK, H.D., VILJOEN, L.J.C. 

Proposed cotton tariff dispensation for South Africa. Unpublished research report. NAMC, Pretoria. 

KHOROMMBI, N.E., VAN SCHALKWYK, H.D. 

The potential of small-scale fish production in the Northern Province of South Africa. University of 

the Free State, Bloemfontein. 

LOUW, D.B., BURGER, W.J. 

Agro-economical assessment of the farm Buffelskraal. Report to the Department of Agriculture and 

Tourism. Western Cape, Elsenburg. 

LOUW, D.B., JOOSTE, A., VAN SCHALKWYK, H.D., FRICK, A. 

Background information for the National Agricultural Information Workshop. University of the Free 

State, Bloemfontein. 

LOUW, D.B., LOUW, S., VAN SCHALKWYK, H.D. 

Key deciduous fruit statistics. University of the Free State, Bloemfontein 

TSHILAMATANDA, R.M., VAN SCHALKWYK, H.D. 

The potential of Cane Rat production in South Africa; a case study in the Northern Province. 

University of the Free State, Bloemfontein. 


South Africa's Infrastructure: A perspective on the housing crisis. University of the Free State, 

Bloemfontein. 


Demographic Profile of the South African Population: A Rural Perspective. University of the Free 



Towards a Rural Statistical Data Set for Investment Planning. University of the Free State, 

Bloemfontein. 


A directory of South African Rural Finance Institutions and Services. University of the Free State, 

Bloemfontein. 


Impact of Macro-economic and Agricultural Policies. University of the Free State, Bloemfontein. 

VAN SCHALKWYK, H.D., DU PLESSIS, J.H. 

Agricultural production in the Goldfields: A historical overview. University of the Free State, 

Bloemfontein. 

VAN SCHALKWYK, H.D., DU PLESSIS, J.H., GELDENHUYS, F.I. 

Regeneration of Agriculture in the Goldfields: Project prioritisation, Report 1. University of the Free 


VAN SCHALKWYK, J.H., DU PLESSIS, J.H., GELDENHUYS, F.I. 

9

10 

Regeneration of Agriculture in the Welkom, Hennenman, Odendaalsrus and Virginia districts, 

Report 2. University of the Free State, Bloemfontein. 

VAN SCHALKWYK, H.D., CARSTENS, J., JOOSTE, A., DU PLESSIS, J.H., GELDENHUYS, F.I. 

An Agricultural Strategy for the Northern Cape: Phase I. University of the Free State, Bloemfontein. 


Agricultural/Agroprocessing potential for the Northern Cape: Phase II. University of the Free State, 

Bloemfontein. 

VAN SCHALKWYK, H.D., CARSTENS, J., BALYAMUJURA, H.D., GRÖNUM, C.F., AINSLIE, 

A., VAN AVERBEKE, W. 

Unlocking opportunities in the Easter-Cape Province. University of the Free State, Bloemfontein. 


Features of the Economic Growth and Development of Rural Areas. University of the Free State, 

Bloemfontein. 

VAN SCHALKWYK. H.D., DU PLESSIS, J.H., GELDENHUYS, F.I. 

Bestuursopsomming/Executive Summary: Riemvasmaak. University of the Free State, Bloemfontein. 

VAN SCHALKWYK, H.D., CARSTENS, J., JOOSTE, A. DU PLESSIS, J.H. GELDENHUYS, F.I. 

An Agricultural Strategy for the Northern Cape. University of the Orange Free State, Bloemfontein. 


Agricultural/Agroprocessing potential for the Northern Cape: Phase II. University of the Free State, 

Bloemfontein. 

VAN SCHALKWYK, H.D., JOOSTE,. A. 

Features of the economic growth and development of rural areas. Unpublished research report. 

University of the Free State, Bloemfontein. 

VAN SCHALKWYK, H.D., JOOSTE, A., VILJOEN, L.J.C. 

Proposed cotton tariff dispensation for South Africa. University of the Free State, Bloemfontein. 

Doctors degree completed / Doktersgraad afgehandel 

COETZEE, Koos 

DIE GEBRUIKSWAARDE VAN BESLUITNEMINGS-ONDERSTEUNINGSMODELLE VIR 

TREKKERVERVANGING IN DIE VRYSTAAT [The usage value of decision-making support 

models for tractor replacement in the Free State]. Promotor/Promoter: Prof. M.F. Viljoen 

Medepromotor/Co-promotor: A. Heyns (Postuum) 

LOUW, Daniël Barend 

MODELLING THE POTENTIAL IMPACT OF A WATER MARKET IN THE BERG RIVER 

BASIN Promoter: Prof. H.D. van Schalkwyk Co-promoter: Dr G.R. Backeberg 

DEPARTMENT OF AGROMETEOROLOGY 

DEPARTEMENT LANDBOUWEERKUNDE 

Head of Department/Departementshoof: Prof. S. Walker 

+27-(0)51-401-2222 

+27-(0)51-448-0692

walkers@sci.uovs.ac.za 

Authors in the department/Outeurs verbonde aan die departement: 

De Wet, Mrs/Mev. 

Hein, L.W. Mr/Mnr. 

Mukhala, E. Dr. 

Walker, S. Prof. 



DE JAGER, J.M., HOWARD, M.D., FOUCHÉ, H.J. 

Computing Drought Severity and Forecasting its Future Impact on Grazing in a GIS. Drought Vol. 1 

A Global Assessment by D.A. Wilhite. 


Conference presentations / Konferensievoordragte 

HEIN, L.W., WALKER, S., DE WET, L. 

Effect of weather variables on evaporative losses in micro-irrigation. Poster presentation at the Micro 

2000. 6 th International Micro-Irrigation Congress in Cape Town from 22 – 27 October 2000. 

KGOLE, A., WALKER, S. 

The use of micro-irrigation to promote household food security. Paper presentation at the Micro 2000. 

6 th International Micro-Irrigation Congress in Cape Town from 22 – 27 October 2000. 

WALKER, S. 

An overview of present research on micro-irrigation for use in developing agriculture. Paper 

presentation at the Micro 2000. 6 th International Micro-Irrigation Congress in Cape Town from 22 – 

27 October 2000. 




LOMAS, J., MILFORD, J.R., MUKHALA, E. 

Education and training in agricultural meteorology: current status and future needs. Agricultural and 

Forest Meteorology 2000;103:197-208. 



MUKHALA, E. 

The weathermen must learn to communicate. The Mail & Guardian, Johannesburg, South Africa, 5 

April 2000. 

MUKHALA, E. 

Meteorological services and farmers in Africa: Is there shared meaning? 

http://www/fao.org/WAICENT/FAOINFO/SUSTDEV/Cddirect/Cdre0051.htm 

MUKHALA, E., WALKER, S., VAN DEN BERG, W.J. 

Communication of seasonal climate forecasts between meteorological scientists and farmers in the Free 

State Province. South Africa Climate Outlook Forum, 18 - 22 September 2000, Gaborone, Botswana. 

MUKHALA, E. 

11

New high protein maize to cut animal feed costs. Die Boer/The Farmer, October 2000. 

MUKHALA, E. 

Free State University makes a huge contribution towards African agriculture. Die Boer/The Farmer, 

October 2000. 


TSUBO, Mitsuru 

RADIATION INTERCEPTION AND USE IN A MAIZE AND BEAN INTERCROPPING 

SYSTEM. Promoter: Prof. S. Walker 

DEPARTMENT OF AGRONOMY AND HORTICULTURE 

DEPARTEMENT AGRONOMIE EN HORTOLOGIE 

Head of Department/Departementshoof: Prof. J.C. Pretorius 

+27-(0)51-401-2217 

+27-(0)51-401-2217 

pretorjc@sci.uovs.ac.za 

Category / Katogorie 3.1 

Conference proceedings / Konferensiehandelinge 

Poster/Plakkaat 

CERONIO, G.M., PRETORIUS, J.C., DE JAGER., S.G. 

COMCAT ® A new natural biocatalyst increasing yield and quality of crops. 3rd International Crop 

Science Congress 200, 17-22 August 2000, Hamburg, Germany 

JOHAN C. PRETORIUS, J.C., ROTH, U., FRIEBE, A., SCHNABL, H., CERONIO, G.M. 

COMCAT ® : A new natural plant biocatalyst increasing resistance to pathogens and crop yields. 3 rd 

International Crop Science Congress 200, 17-22 August 2000, Hamburg, Germany. 



CERONIO, G.M. 

AgraForum : Evaluating a natural biocalyst on wheat and maize with the emphasis on yield and quality 

improvement. 

Master’s degree completed / Magistergraad afgehandel 

EMMANUEL, Willie President 

INFLUENCE OF NITROGEN AND POTASSIUM APPLICATIONS ON THE EARLY 

GROWTH AND DEVELOPMENT OF MAIZE (Zea mays L.). Supervisor: Mr G.M. Ceronio Cosupervisor: 

Prof. C.C. du Preez 

ENGIDA, Mekonnen Beyene 

EFFECT OF STORAGE ON SEED VIABILITY AND VIGOUR OF DIFFERENT ETHIOPIAN 

WHEAT AND MAIZE CULTIVARS. Supervisor: Prof. J.C. Pretorius Co-supervisor: Mr G.P. 

Potgieter 

KRIEK, Jakobus Albertus 

12

13 

DIE INVLOED VAN STIKSTOFBEMESTING OP GROEI, OPBRENGS EN 

GRAANPROTEIEN VAN MIELIEKULTIVARS IN DIE OOS-VRYSTAAT [The influence of 

nitrogen fertiliser on growth, yield and grain protein of maize cultivars in the Eastern Free State]. 

Studieleier/Supervisor: Prof. J.P. Pretorius Medestudieleier/Co-supervisor: Dr. J.J. Van Biljon 

MAGAMA, Sibusisiwe 

A STUDY OF THE ANTIMICROBIAL PROPERTIES OF SELECTED PLANTS GROWING IN 

THE FREE STATE. Promoter: Prof. J.C. Pretorius Co-promoters: Prof. W.J. Swart Dr. P.C. 

Zietsman 

MENGISTIE, Demissie Mitiku 

EFFECT OF SEED SIZE, TREATMENT AND SOWING DEPTH ON QUALITY AND YIELD 

OF ETHIOPIAN WHEAT (Triticum Spp.), FABA BEAN (Vicia faba L.) AND CHICKPEA (Cicer 

arietinum L.) CULTIVARS. Supervisor: Prof. J.C. Pretorius Co-supervisor: Mrs F. van Niekerk 

MOLAHLEHI, Lebone 

CHEMICAL FACTORS INFLUENCING DRY BEAN YIELD. Supervisor: Prof. J.C. Pretorius 

Co-supervisor: Mr G. Ceronio 

NIEUWOUDT, Tielman Daniel 

DROUGHT, FREEZING AND NITROGEN STRESS AS FACTORS PREDISPOSING 

PISTACHIO TREES TO INFECTION BY BOTRYOSPHAERIA OBTUSA AND B. 

DOTHIDEA. Cum laude. Supervisor: Prof. W.J. Swart Co-supervisor: Prof. J.C. Pretorius 

DEPARTMENT OF ANIMAL SCIENCE 

DEPARTEMENT VEEKUNDE 

Head of Department/Departementshoof: Prof. J.P.C. Greyling 

+27-(0)51-401-2211 

+27-(0)51 4480692 

lindehm@sci.uovs.ac.za 


Abegaz, S. Mr/Mnr. 

Almeida, A.M. Dr. 

Combrinck, W.J. Mr/Mnr. 

Demeke, S. Mr/Mnr. 

De Waal, H.O. Prof. 

Du Toit, J.E.J. Prof. 

Ebangi, A.L. Mr/Mnr. 

Erasmus, G.J. Prof. 

Fair, M.D. Mr/Mnr. 

Greyling, J.P.C. Prof. 

Mmbengwa, V.M. Mr/Mnr. 

Moorosi, L.E. Dr. 

Nephawe, K.A. Mr/Mnr. 

Neser, F.W.C. Dr. 

Schwalbach, L.M.J. Dr. 

Tawah, C.L. Dr. 

Van der Merwe, H.J. Prof. 

Van der Nest, R. Mrs/Mev. 

Van Wyk, J.B. Prof


Chapters in books/Hoofstukke in boeke 

GREYLING, J.P.C. 

Applied Reproductive Technology. In: Goats in Kwazulu Natal. Guidelines for Agricultural 

Production in Kwazulu-Natal. Chapter 3. Goat Biology. 3.1 Breeding and Reproduction. 3.1.1 

Kwazulu-Natal Department of Agriculture and Environmental Affairs. 


Conference proceedings/Konferensiehandelinge 

ABEGAZ, S., GEMEDA, D., REGE, J.E.O., VAN WYK, J.B., NESER, F.W.C., ERASMUS, G.J. 

Early growth, survival and litter size in Ethiopian Horro sheep. Proceedings 38 th South African Society 

of Animal Science Congress, Alpine Heath, 25-27 July 2000:79-80. 

ALMEIDA, A.M., SCHWALBACH, L.M., DE WAAL, H.O., CARDOSO, L.A., GREYLING, J.P.C., 

DU BRUYN, D., MÜLLER, T. 

Concentrações plasmaticas de insulina, T3 e T4 de cabritos Boer em regime de subnutrição. [Effect 

of undernutrition on insulin, T3 and T4 plasma concentrations of Boer Goat bucks]. X Congresso de 

Zootécnia, Estaçâo Zootecnica Nacional, Vale de Santarém, Portugal, 2-4 November 2000:36. 

ALMEIDA, A.M., SCHWALBACH, L.M., CARDOSO, L.A., GREYLING, J.P.C. 

The effect of undernutrition on carcass characteristics in young Boer goat bucks. Proceedings of the 

7 th International Conference on Goats, France, May 2000:668. 

ALMEIDA, A.M., SCHWALBACH, L.M., CARDOSO, L.A., GREYLING, J.P.C. 

Efeito da subalimentação sobre os níveis de Fe, Mg e Zn das carcassas de cabritos Boer. [Fe, Mg and 

Zn levels in carcasses of underfed Boer goat bucks]. X Congresso de Zootecnia. Estação 

Zootécnica Nacional. Vale de Santarém, Portugal, 2-4 November 2000:35. 

DEMEKE, S., NESER, F.W.C., SCHOEMAN, S.J., ERASMUS, G.J. VAN WYK, J.B., 

GEBREWOLDE, A. 

Crossbreeding Holstein-Friesian with Ethiopian Boran cattle in a tropical highland environment: 

Preliminary estimates of additive and heterotic effects on milk production traits. Proceedings 38 th 

South African Society of Animal Science Congress, Alpine Heath, 25-27 July 2000:63-64. 

DE WAAL, H.O. 

Energy Nutrient Flows. Training Workshop: Uganda large predator & scavenger research & 

management project, Uganda, 23 July - 2 August. 

DE WAAL, H.O., VAN DER MERWE, H.J., SPANGENBERG, H.P. 

Supplementing grazing reproducing beef cows with phosphorus at two sites (Vaalharts and 

Koopmansfontein) in the north-west of South Africa. 51 st Annual meeting of the European 

Association for Animal Production, 21-24 August 2000, The Hague, The Netherlands. 

DE WAAL, H.O., COMBRINCK, W.J., BURGER, F.J.L. 

Urbanisation and the increased levels of peri-urban animal agricultural activities in the Free State 

Province of South Africa. 51 st Annual meeting of the European Association for Animal Production, 

21-24 August 2000, The Hague, The Netherlands. 

DE WAAL, H.O., RICHTER, C.F.G., COMBRINCK, W.J., BURGER, F.J.L. 

Implementing elements of cut-and-carry feeding systems or zero-grazing in a peri-urban community in 

the Free State. Proceedings 38 th South African Society of Animal Science Congress, Alpine Heath, 25-27 

July 2000:45-46. 

14

15 

DU TOIT, J.E.J., BAMBERGER, F.A. 

Sustainable use of layer litter in South Africa. Proceedings 38 th South African Society of Animal Science 

Congress, Alpine Heath, 25-27 July 2000:55-82. 

EBANGI, A.L., ERASMUS, G.J., NESER, F.W.C., TAWAH, C.L. 

Genetic trends for growth in the Gudali and Wakwa breeds of Cameroon. Proceedings 38 th South 

African Society of Animal Science Congress, Alpine Heath, 25-27 July 2000:67-68. 

ERASMUS, G.J. 

Review of Holstein Breed Development in Southern Africa. Proceedings 10 th World Holstein – Friesian 

Conference, Sydney, Australia, 30 April-3 May 2000:133-135. 

GREYLING, J.P.C., VAN DER NEST, R. 

Superovulation and embryo transfer (MOET) in South African Boer and Indigenous goats. Proceedings 

of the 7 th International Conference on Goats, France, May 2000:411-412. 

MMBENGWA, V.M., SCHWALBACH, L.M., GREYLING, J.P.C., FAIR, M.D. 

Milk production potential of South African Boer and Nguni goats. Proceedings 38 th South African 

Society of Animal Science Congress, Alpine Heath, 25-27 July 2000:163-164. 

MOOROSI, L.E., SCHWALBACH, L.M., GREYLING, J.P.C. 

Characterisation of Small scale cattle farming in two districts of the Free State Province of South Africa. 

Proceedings of the 34 th Conference of the South Africa Society for Agricultural Production – Extension 

for the new millennium: The challenge of Sustainability, Langebaan, Western Cape, South Africa, May 

2000:223-231. 


Characterisation of Small scale cattle farming in two districts of the Free State Province of South Africa. 

Regional Conference on Sustainable Animal Agriculture and Crisis Mitigation in Livestock Dependent 

Systems in Southern Africa, Malawi, 30 October-1 November 2000:6-7. 


Application of disease control measures by small scale cattle farmers in two districts of the Free State 

Province of South Africa. 3 rd All Africa Conference on Animal Agriculture and 11 th Conference of the 

Egyptian Society of Animal Production, Alexandria, Egypt, November 2000. 

NESER, F.W.C., ERASMUS, G.J., VAN WYK, J.B. 

Genetic parameter estimates for pre-weaning growth traits in Dorper sheep. Proceedings 38 th South 



Genetic parameter estimates for the South African Mutton Merino breed. Proceedings 38 th South 



Genetic parameter estimates for the South African Mutton Merino breed. Proceedings of the 51st 

Meeting of the European Association for Animal Production, The Hague, The Netherlands. 

NYOKA, Q.E., SLIPPERS, S.C., DU TOIT, J.E.J. 

Determination of apparent metabolizable energy content of bovine rumen content by rapid assay with 

mature muscovy ducks. Proceedings Australian Poultry Symposium 1999;11:183 

SCHWALBACH, L.M., GREYLING, J.P.C., TAYLOR, G.J. 

Postpartum reproductive tract score in beef cows-a proposed method. Proceedings 38 th South African 

Society of Animal Science Congress, Alpine Heath, 25-27 July 2000:9-10.

SCHWALBACH, L.M., ALMEIDA, A.M., GREYLING, J.P.C., CARDOSO, L.A., WILLIAMS, C. 

The effect of undernutrition on testes and semen characteristics in young Boer goats. Proceedings of the 

7 th International Conference on Goats, France, May 2000:437. 

VAN DER WESTHUIZEN, C., FOURIE, P.J., NESER, F.W.C. 

Buyer’s responses to performance data of rams in view of price premiums paid for various effects. 

Proceedings of the 39 th Congress of the Agricultural Economics Association of South Africa at Sun 

City in South Africa. 

VAN DER WESTHUIZEN, R.R., SCHOEMAN, S.J., JORDAAN, G.F., VAN WYK, J.B. 

Heritabilities of reproductive traits in beef cattle herd using multitrait analysis. Proceedings 38 th South 


VAN NIEKERK, D.J., NESER, F.W.C. 

A scientific approach to the selection of dairy cattle for subjective traits. Proceedings 38 th South 





ABEGAZ, S., GEMEDA, D., REGE, J.E.O., VAN WYK, J.B., NESER, F.W.C., ERASMUS, G.J. 

Early growth, survival and litter size in Ethopian Horro sheep. South African Journal of Animal Science 

Supplement 2000;30:1-3. 

DAVIES, J.A., SCHWALBACH, L.M.J. 

A study to evaluate the field efficacy of ivermectine, fenbendazoel and pyrantel palmoate, with 

preliminary observations on the efficacy of dorametine as anthelmintics in horses. Journal of the 

South African Veterinary Association 2000;71(3):144-147. 

DE BROUWER, C.H.M., CILLIERS, J.W., VERMAAK, L.M., VAN DER MERWE, H.J., 

GROENEWALD, P.C.N. 

Phosphorus supplementation to natural pasture grazing for beef cows in the Western Highveld region 

of South Africa. South African Journal of Animal Science 2000;30(1):43-52. 

DEMEKE, S., NESER, F.W.C., SCHOEMAN, S.J., ERASMUS, G.J., VAN WYK, J.B., 

GEBREWOLDE, A. 

Crossbreeding Holstein-Friesian with Ethiopian Boran cattle in a tropical highland environment: 

preliminary estimates of additive and heterotic effects on milk production traits. South African Journal 

of Animal Science Supplement 2000;30:32-33. 

DE WAAL, H.O., COMBRINCK, W.J. 

The development of the Dorper, its nutrition and a perspective of the grazing ruminant on veld. 

Small Ruminant Research 36:103-117. 

EBANGI, A.L., ERASMUS, G.J., NESER, F.W.C., TAWAH, C.L. 

Genetic trends for growth in the Gudali and Wakwa cattle breeds of Cameroon. South African Journal 

of Animal Science Supplement 2000;30:36-37. 

FOURIE, P.J., NESER, F.W.C., VAN DER WESTHUIZEN, C. 

Relationship between performance measurements and sales price of Dorper rams in the Northern 

Cape Veld-Ram Club. South African Journal of Animal Science 2000;30(2):128-132. 


16

Reproductive traits in the Boer goat doe. Small Ruminant Research 36:171-177. 

GREYLING, J.P.C., VAN DER NEST, M. 

Synchronization of oestrus in goats: Dose effect of progestagen. Small Ruminant Research 36:201- 

207. 

KRIEK, D.J., DU TOIT, J.E.J., FAIR, M.D. 

The nutritive value of maize foggage for ewes and their lambs in the North Eastern Free State. South 

African Journal of Animal Science Supplement 2000;30:65-67. 

MMBENGWA, V.M., SCHWALBACH, L.M., GREYLING, J.P.C., FAIR, M.D. 

Milk production potential of South African Boer and Nguni goats. South African Journal of Animal 

Science Supplement 2000;30:76-77. 


Genetic parameter estimates for pre-weaning growth traits in Dorper sheep. South African Journal of 

Animal Science Supplement 2000;30:99-101. 


Genetic parameter estimates for the South African Mutton Merino breed. South African Journal of 



Genetic studies on the South African Mutton Merino: growth traits. South African Journal of Animal 

Science 2000;30(3):172-177. 

SCHOEMAN, S.J., JORDAAN, G.F., ERASMUS, G.J. 

Heritabilities of pre-weaning traits in a multibreed beef cattle herd fitting models with or without a sire 

genotype x dam genotype interaction. South African Journal of Animal Science Supplement 

2000;30:118-119. 

SCHWALBACH, L.M., GREYLING, J.P.C., TAYLOR, G.J. 

Postpartum reproductive tract score in beef cows - a proposed method. South African Journal of 


SKRYPZECK, H., SCHOEMAN, S.J., JORDAAN, G.F., NESER, F.W.C. 

Estimation of crossbreeding parameters in a multibreed beef cattle crossbreeding project. South African 

Journal of Animal Science 2000;30(3):193-203. 

SKRYPZECK, H., SCHOEMAN, S.J., JORDAAN, G.F., NESER, F.W.C. 

Pre-weaning growth traits of the Hereford breed in a multibreed composite beef cattle population. 

South African Journal of Animal Science 2000;30(3):220-229. 

STRYDOM, P.E., NAUDE, R.T., SMITH, M.F., SCHOLTZ, M.M., VAN WYK, J.B. 

Characterisation of indigenous African cattle breeds in relation to meat quality traits. Meat Science 

2000;55(1):79-88. 

STRYDOM, P.E., NAUDE, R.T., SMITH, M.F., SCHOLTZ, M.M., VAN WYK, J.B. 

Characterization of indigenous African cattle breeds in relation to carcass characteristics. Animal 

Science 2000;70:241-252. 

VAN DER WESTHUIZEN, R.R., SCHOEMAN, S.J., JORDAAN, G.F., VAN WYK, J.B. 

Heritabilities of reproductive traits in beef cattle herd using multitrait analysis. South African Journal 

of Animal Science 2000;30:40-141. 

17

18 

VAN NIEKERK, D.J., NESER, F.W.C., ERASMUS, G.J. 

Genetic parameter estimates for type traits in South African Jersey breed. South African Journal of 

Animal Science 2000;30(3):186-192. 


Research articles published in other journals/Navorsingsartikels in ander tydskrifte 

ALMEIDA, A.M., SCHWALBACH, L.M. 

Breves considerações sobre a raça caprina Boer [Some considerations on the Boer Goat breed]. 

Veterinária Técnica, April 2000;2:10-14. 

DE WAAL, H.O. 

Book Review: The mineral nutrition of livestock (3 rd edn). E.J. Underwood & N.F. Suttle (eds). 

African Journal of Range & Forage Science 2000;16(1):47-48. 

ERASMUS, G.J. 

Die Suid-Afrikaanse stoetveebedryf – ‘n toekomsblik. [The South African stud industry – a glimpse 

into the future] Landbouweekblad 30 Junie 2000. 

ERASMUS, G.J. 

Performance testing in perspective. Die Wolboer 2000. 

ERASMUS, G.J. 

Rekordhouding [Record keeping]. Die Wolboer 2000. 

ERASMUS, G.J. 

Focus on future Holstein breeding. The Dairy Mail, July 2000. 


Biotechnology in reproduction: To help feed growing populations. Part 1. The Dairy Mail 

2000;7(1):56-60. 


Biotechnology in reproduction: To help feed growing populations. Part 2. The Dairy Mail, 

2000;7(3):32-46. 


7de Wêreldkongres oor bokke [7 th World Congress on goats] Tours, Frankryk. Boerboknuus No. 1. 


Reproduction Management in the Dairy Herd. Guernsey Journal (In press). 


Genetic parameter estimates for the South African Mutton Merino breed. SA Vleismerino Joernaal 

2000. 

NESER, F.W.C. 

Mace: ‘n Nuwe era in Jersey teling [A new era in Jersey breeding]. Jersey Joernaal 2000. 


Editorships/co-editorships / Redakteurs/mederedakteurs 

DE WAAL, H.O. 

Sub-Editor (Ruminant Nutrition) South African Journal of Animal Science.


Associate Editor: (Physiology) Small Ruminant Research Journal. 


Sub-Editor: (Physiology) South African Journal of Animal Science. 


Editor (Special edition on Boer goats and Dorper sheep) Small Ruminant Research 2000;36. 


ERASMUS, Johann André 

RELATIONSHIP OF CORTICOID, THYROID AND METABOLIC PROFILES WITH 

FERTILITY OF BEEF FEMALES ON SOURVELD AND MIXED SWEETVELD. Promotor: 

Prof. P.I. Wilke 

JANSEN VAN VUUREN, Barend Gerhardus 

WOOL SHEEP PRODUCTION SYSTEMS FOR THE WESTERN HIGHVELD OF SOUTH 

AFRICA. Promoter: Prof. H.J. Van der Merwe Co-promoter: Dr. J.W. Cilliers 


KRIEK, Daniel Johannes 

DIE VOEDINGSWAARDE VAN WEIMIELIES VIR LAMMEROOIE IN DIE NOORD-OOS 

VRYSTAAT [The nutritional value of grazing maize for lambing ewes in the North-Easter Free State]. 

Studieleier/Supervisor Prof. J.E.J. Du Toit Medestudieleier/Co-supervisor: Prof. H.A. Snyman 

MAIWASHE, Azwihangwisi Norman 

THE VALUE OF RECORDING BODY MEASUREMENTS IN BEEF CATTLE. Cum laude. 

Supervisor: Dr H.E. Theron Co-supervisor: Prof. J.B. Van Wyk 

MOTLOMELO, Khoboso Christina 

SYNCHRONIZATION OF OESTROUS IN INDIGENOUS GOATS: THE USE OF 

DIFFERENT PROGESTAGEN TREATMENTS. Supervisor: Prof. J.P.C. Greyling Co-supervisor: 

Dr L.M.J. Schwalbach 

VAN DYK, Riaan 

THE EFFECT OF MILK SAMPLING PROCEDURES ON THE ROBUSTNESS OF GENETIC 

EVALUATION IN DAIRY CATTLE. Supervisor: Dr. F.W.C. Neser Co-supervisor: Prof. F.H.J. 

Kanfer 

DEPARTMENT OF ARCHITECTURE 

DEPARTEMENT ARGITEKTUUR 

Head of Department/Departementshoof: Prof. B.J. Britz 

+27 051 401 2332 

+27 051 448 1720 

gunterme@sci.uovs.ac.za 

Authors in the department / Outeurs verbonde aan die departement 

Britz, B.J. Prof. 

Du Preez, J.L. Mr/Mnr 

19

20 




BRITZ, B.J. 

Dwelling at 5a Stewart Crescent, Waverley, Boemfontein. Journal of the South African Institute of 

Architects 2000 September/October 64:7. 


Book and other reviews / Boek- en ander resensies 

DU PREEZ, J.L. 

Man en Monument [Man and Monument]. Acta Structilia 1999;6(1&2). 



BRITZ, B.J. 

Editorial Board of Acta Structilia, UFS. 


Artistic presentations / Artistieke werke/aanbiedings 

BRITZ, B.J. 

Exhibited in the exhibition - 'blank Architecture, apartheid and after' in Museum Africa, Johannesburg. 

DEPARTMENT OF BOTANY AND GENETICS 

DEPARTEMENT PLANTKUNDE EN GENETIKA 

Head of Department/Departementshoof: Prof. J.U. Grobbelaar 

+27-(0)51-401-2514 

+27-(0)51-448-8772 

grobbeju@sci.uovs.ac.za 

Authors in the Department/Outeurs verbonde aan die Departement: 

Berner, J.M. Mr/Mnr. Roos, J.C. Dr. 

Botes, E. Ms/Me. Scott, L. Prof. 

Bower, J-M. Ms/Me. Shimelis, H. Mr/Mnr. 

Du Preez, J.L. Mr/Mnr. Spies, J.J. Prof. 

Du Preez, P.J. Dr. Strydom, A. Ms/Me. 

Grobbelaar, J.U. Prof. Van der Westhuizen, A.J. Prof. 

Holder, F. Ms/Me. Van Rooyen, P. Ms/Me. 

Janecke, B. Ms/Me. Van Wyk, P.W.J. Dr. 

Kemp, G. Mr/Mnr. Van Wyk, S.M.C. Ms/Me. 

Koen, E. Ms/Me. Venter, A.M. Dr. 

Koning, N. Ms/Me. Venter, H.J.T. Prof. 

Lochner, T.C. Mr/Mnr. Verhoeven, R.L. Prof. 

Minnaar, A. Ms/Me. Viljoen, C.D. Dr. 

Mohase, L. Ms/Me. Visser, B. Mr/Mnr. 

Nyakale, M. Ms/Me. Vos, M. Ms/Me. 

Roodt, R. Ms/Me. Vos, T. Ms/Me. 

Category / Kategorie 2


PARTRIDGE, T.C., SCOTT, L. 

Lakes and Pans. T.C. Partridge & R.R. Maud (Eds.). The Cainozoic of Southern Africa. Oxford 

Monographs on Geology and Geophysics. Oxford University Press, New York, 2000;40:145-161. 

SCOTT, L. 

Pollen. T.C. Partridge & R.R. Maud (Eds.). The Cainozoic of Southern Africa. Oxford 

Monographs on Geology and Geophysics. Oxford University Press, New York, 2000;40:339-350. 

VICTOR, J.E., BREDENKAMP, C.L., VENTER, H.J.T., BRUYNS, P.V., NICHOLAS, A. 

Apocynaceae (in broad sense). O.A. Leistner (Ed.). Seed plants of southern Africa: families and 

genera. Strelitzia. Seed plants of southern Africa: families and genera. National Botanical Institute, 

Pretoria, 2000;10:71-98. 



CARRION, J.S., SCOTT, L., HUFFMAN, T., DRYER, C. 

Pollen analysis of Iron Age cow dung in Southern Africa. XV INQUA Congress, Durban, South 

Africa, Quaternary International 2000;63/64:35. 

FERNANDEZ-JALVO, Y., DENYS, C., ANDREWS, P., SCOTT, L. 

Small mammal Taphonomy of Pleistocene sites: Human influence, palaeoecological disturbance. 

XV INQUA Congress, Durban, South Africa. Quaternary International 2000;63/64:59. 

NYAKALE, M., SCOTT, L., BOUSMAN, B. 

Palynology of Late Holocene deposits of the central Plateau, South Africa. XV INQUA Congress, 

Durban, South Africa. Quaternary International 2000;63/64:107. 

SCOTT, L., LEE-THORP, HOLMGREN, K. 

Integrating pollen and isotopic proxy data to produce a coherent record of Holocene environments 

in Southern Africa. XV INQUA Congress, Durban, South Africa. Quaternary International 

2000;63/64: 132. 



ANGUELOVA, V.S., VAN DER WESTHUIZEN, A.J., PRETORIUS, Z.A. 

Defense-related enzymes and leaf rust resistance in wheat. Annual conference of the South 

African Association of Botanists, Potchefstroom, 2000. 

BERNER, J.M., VAN DER WESTHUIZEN, A.J. 

Involvement of active oxygen species and of phenylalanine ammonia-lyase activity during the 

Russian wheat aphid resistance response in wheat. Annual conference of the South African 

Association of Botanists, Potchefstroom, 2000. 

BOTES, E., GROBBELAAR, J.U., OBERHOLSTER, A-M. 

Molecular study under differing growth conditions for genotyping of toxic and non-toxic Microcystis 

strains. 3 rd annual post-graduate symposium of the Department of Botany and Genetics, UFS, 

Bloemfontein, 2000. 

BOWER, J-M., PRETORIUS, Z.A., SPIES, J.J., VILJOEN, C.D. 

Transfer of leaf rust resistance from Triticum turgidum and Triticum timopheevii to common bread 

wheat. Seventeenth Congress of the South African Genetics Society, Pretoria, 2000. 

21

CARRION, J.S., RIQUELME, J.A., MUNERA, M., SAEZ, F., SCOTT, L. 

Potential paeoecologico del analisis polinico de coprolitos de hiena. XIII Symposium of the 

Association of Spanish Language Palynologists (APLE), Cartagena, Spain, 2000. 

DU PREEZ, J.L., SPIES, J.J., KLEYNHANS, R. 

A cytogenetic and molecular study of interspecific hybridization involving Lachenalia unicolor 

(Hyacinthaceae). South African Genetic Society, Pretoria, 2000. 


A preliminary study of interspecific hybrids in Lachenalia (Hyacinthaceae). VIII th International 

Symposium on Flowerbulbs, Cape Town, 2000. 


The genetic diversity within and between Lachenalia unicolor and L. pustulata. South African Genetic 

Society, Pretoria, 2000. 


Interspecific hybridization involving Lachenalia unicolor (Hyacinthaceae). 3 rd annual post-graduate 

symposium of the Department of Botany and Genetics, UFS, Bloemfontein, 2000. 

GROBBELAAR, J.U. 

Bio-optics in mass algal cultures. South African Association of Botanists, 26 th Annual Congress, 

University of Potchefstroom, January 2000. 

HOLDER, F., SPIES, J.J. 

A phylogenetic study of the South African representatives of the tribe Andropogoneae. South 

African Genetic Society, Pretoria, 2000. 

HOLDER, F., SPIES, J.J. 

Cytotaxonomy of the tribe Andropogoneae (Poaceae: Panicoideae). 3 rd annual post-graduate 


JANECKE, B., DU PREEZ, P.J., VENTER, H.J.T. 

Are there any grasses left in Soetdoring Nature Reserve? 3 rd annual post-graduate symposium of 

the Department of Botany and Genetics, UFS, Bloemfontein, 2000. 

KEMP, G., VAN DER WESTHUIZEN, A.J., PRETORIUS, Z.A. 

Polygalacturonase inhibiting protein (PG/P) in wheat. BIOY2K Combined Millenium Meeting, 

Grahamstown, 2000. 

KEMP, G., PRETORIUS, Z.A., VAN DER WESTHUIZEN, A.J. 

PGIP – again. 3 rd annual post-graduate symposium of the Department of Botany and Genetics, 

UFS, Bloemfontein, 2000. 

KOEN, E., LABUSCHAGNE, M.T., VILJOEN, C.D. 

Identification of molecular markers for eyespot resistance and its effect on breadmaking quality. 

Seventeenth Congress of the South African Genetics Society, Pretoria, 2000. 

KONING, N., GROBBELAAR, J.U., ROOS, J.C. 

The potential impact of an inter-basin water transfer scheme in the Modder and Caledon rivers. 3 rd 

annual post-graduate symposium of the Department of Botany and Genetics, UFS, Bloemfontein, 

2000. 

LOCHNER, T.C., VILJOEN, C.D., PRETORIUS, Z.A. 

22

23 

The use of AFLP’s to identify the YrSp gene for resistance to stripe rust in wheat. Seventeenth 

Congress of the South African Genetics Society, Pretoria, 2000. 

MINNAAR, A., SPIES, J.J., KLEYNHANS, R. 

The genetic diversity of Lachenalia mutabilis and other species in the L. orchioides group. South 


MINNAAR, A., SPIES, J.J., KLEYNHANS, R. 

Chromosoomgetalle in Lachenalia mutabilis, L. elegans en hulle basters [Chromosome numbers in 

Lachenalia mutabilis, L. elegans and their hybrids]. 3 rd Annual post-graduate symposium of the 

Department of Botany and Genetics UFS, Bloemfontein, 2000. 

MOHASE, L., PRETORIUS, Z.A., VAN DER WESTHUIZEN, A.J. 

Defense-related enzymes in the resistance response of sunflower to rust. BIOY2K Combined 

Millenium Meeting, Grahamstown, 2000. 

MOHASE, L., VAN DER WESTHUIZEN, A.J., PRETORIUS, Z.A. 

Biochemical events related to sunflower resistance to rust. Annual conference of the South African 

Association of Botanists, Potchefstroom, 2000. 


Effect of rust and plant activators (BTH) on the induction of defense related enzymes in 

sunflower. 3 rd Annual post-graduate symposium of the Department of Botany and Genetics, UFS, 


PRETORIUS, Z.A., BOWER, J-M., BENDER, C.M., SPIES, J.J., VILJOEN, C.D. 

Adult-plant resistance to wheat leaf rust in Triticum turgidum ssp. Dicoccum. Plant Breeding 

Symposium, Harare, Zimbabwe, 2000. 

PRETORIUS, Z.A., VAN DER WESTHUIZEN, A.J., MOHASE, L. 

Molecular biology of rust resistance in sunflower. Sonneblomkundigheidsforum, Pretoria, 2000. 

ROODT, R., SPIES, J.J. 

Back to basics: the unique position of x=7 in the South African Arundineae. South African Genetic 



Chromosome numbers and phylogenetic relationships in the Chloridoideae. South African Genetic 



Cytotaxonomy and the classification of the grasses. Southern African Society for Systematic 

Biology, Mtunzini, 2000. 


The unique position of a basic chromosome number of seven in the South African Arundineae. 

Southern African Society for Systematic Biology, Mtunzini, 2000. 


A cytotaxonomic investigation of the subfamily Chloridoideae (Poaceae). 3 rd Annual post-graduate 


SCHRAUDER, M., BANDTE, M., GROBBELAAR, J.U., BERGER, S., BÜTTNER, C.

24 

Impact of ozone on virus infected Betula pendula as determined by selected physiological parameters. 

International Symposium on Plant Health and Urban Horticulture, Braunschweig, Germany, April 

2000. 

SCOTT, L. 

Grassland development in Southern Africa during the Late Quaternary: pollen and microscopic 

charcoal evidence. Palaeo-Grassland research 2000: A conference on the reconstruction and 

modelling of grass-dominated biomes. Westbrook, Connecticut, 1-3 June 2000. 

SCOTT, L., CARRION, J.S., FERNANDEZ-JALVO, Y. 

Pollen analysis and taphonomy of hyena coprolites in South Africa and Spain. 11 th Biennial 

Conference of the Palaeontological Society of Southern Africa, Pretoria, 4-8 September 2000. 

SHIMELIS, H., SPIES, J.J., PRETORIUS, Z.A., LABUSCHAGNE, M.T. 

Chromosomal location of genes that confer leaf rust resistance (Puccinia recondita f. sp. tritici) 

in tetraploid wheat, using Chinese Spring monosomics and Langdon durum disomic substitution 

lines. 3 rd Annual post-graduate symposium of the Department of Botany and Genetics, UFS, 


SPIES, J.J., KLEYNHANS, R. 

Lachenalia breeding: the morphological and cytogenetic basis. South African Genetic Society, 

Pretoria, 2000. 

SPIES, J.J., KLEYNHANS, R. 

The need for basic research in a Lachenalia breeding program. Combined Congress (SASCP, 

SAWSS, SANCRA), Bloemfontein, 2000. 

SPIES, J.J., ROODT, R. 

Plant molecular systematics: the death of cytotaxonomy? South African Genetic Society, Pretoria, 

2000. 

SPIES, J.J., VAN ROOYEN, P., KLEYNHANS, R. 

A cytogenetic basis for a generic subdivision of Lachenalia. Southern African Society for Systematic 

Biology, Mtunzini, 2000. 

SPIES, J.J., VAN ROOYEN, P., KLEYNHANS, R. 

The subgeneric delimitation of Lachenalia (Hyacinthaceae). VIII th International Symposium on 

Flowerbulbs, Cape Town, 2000. 

STRYDOM, A., SPIES, J.J. 

Sitogenetiese studies van die familie Amaryllidaceae [Cytogenetic studies of the family 

Amaryllidaceae]. 3 rd Annual post-graduate symposium of the Department of Botany and Genetics, 

UV, Bloemfontein, 2000. 

VAN ROOYEN, P., SPIES, J.J., KLEYNHANS, R. 

The species delimitation of Lachenalia unifolia and L. hirta. South African Genetic Society, Pretoria, 

2000. 


The species delimitation of Lachenalia unifolia and L. hirta. VIII th International Symposium on 

Flowerbulbs, Cape Town, 2000. 


The subgeneric classification of Lachenalia: a cytogenetic and molecular reappraisal. South African 

Genetic Society, Pretoria, 2000.

VAN ROOYEN, P., SPIES, J.J. KLEYNHANS, R. 

Die subgeneriese klassifikasie van die genus Lachenalia (Hyacinthaceae) [The subgeneric 

classification of the genus Lachenalia (Hyacinthaceae)]. 3 rd Annual post-graduate symposium of the 

Department of Botany and Genetics, UV, Bloemfontein, 2000. 

VAN WYK, S.M.C., SPIES, J.J., VENTER, A.M., VENTER, H.J.T. 

Chromosome numbers in the African representatives of the genus Lycium (Solanaceae). South 


VENTER, A.M., VENTER, H.J.T., VERHOEVEN, R.L. 

Unique dioecy in the African Lyciums (Solanaceae). Annual conference of the South African 

Association of Botanists 2000. 

VENTER, A.M., VENTER, H.J.T., VERHOEVEN, R.L. 

Taksonomie van Lycium in Afrika. [Taxanomy of Lycium in Africa]. 3 de jaarlikse nagraadse 

simposium van die Departement Plantkunde en Genetika/3 rd Annual post-graduate symposium of 

the Department of Botany and Genetics, UV/UFS, Bloemfontein, 2000. 

VILJOEN, C.D. 

The detection of GMOs in whole grains and processed food: Considerations for developing 

countries. COP 5 Preparatory meeting of African countries, Nairobi, Kenya, 2000. 

VILJOEN, C.D., VOS, M., KOTZE, P.M., PRETORIUS, Z.A., LABUSCHAGNE, M. 

The development and use of genetic markers for rust resistance genes in wheat breeding 

programmes. Plant Breeding Symposium, Harare, Zimbabwe, 2000. 

VILJOEN, C.D. 

Molecular biotechnology: Is identifying genes an important aspect of new crop development? 

Combined congress of the South African Society for Crop Production, the Southern African New 

Crop Research Association and the Southern African Weed Science Society, Bloemfontein, 2000. 

VISSER, B., PRETORIUS, G.H.J., VAN DER WESTHUIZEN, A.J., PRIOR, B., 

VERBRUGGEN, N. 

At-RLK3, a novel receptor-like kinase from Arabidopsis thaliana. 26 th Congress of the South African 

Association of Botanists, Potchefstroom University, 2000. 

VISSER, B., PRETORIUS, G.H.J., VAN DER WESTHUIZEN, A.J. PRIOR, B., 

VERBRUGGEN, N. 

Progress and frustration with the molecular analysis of At-RLK3, a putative receptor-like protein 

kinase from Arabidopsis thaliana. 3 rd Annual post-graduate symposium of the Department of Botany 

and Genetics, UFS, Bloemfontein, 2000. 

VOS, M., VILJOEN, C.D., PRETORIUS, Z.A., LABUSCHAGNE, M.T. 

Identification of molecular markers for wheat leaf rust resistance. Seventeenth Congress of the 

South African Genetics Society, Pretoria, 2000. 

VOS, T., ROOS, J.C. 

Limnologiese aspekte van Loch Logan [Limnological aspects of Loch Logan]. 3 rd Annual postgraduate 





25

BENDER, C.M., PRETORIUS, Z.A., KLOPPERS, F.J., SPIES, J.J. 

Histopathology of leaf rust infection and development in wheat genotypes containing Lr12 and 

Lr13. Phytopathologische Zeitschrift-Journal of Phytopathology 2000;148:65-76. 

CARRION, J.S., BRINK, J.S., SCOTT, L., BINNEMAN, J.N.F. 

Palynology and palaeo-environment of Pleistocene hyena coprolites from an open-air occurrence at 

Oyster Bay, Eastern Cape coast, South Africa. South African Journal of Science 2000;96:449-453. 

CHURCHILL, S.E., BRINK, J.S., BERGER, L.R., HUTCHINSON, R.A., ROSSOUW, L., 

STYNDER, D., HANCOX, P.J., BRANDT, D., WOODBORNE, S., LOOCK, J.C., SCOTT, L., 

UNGAR, P. 

Erfkroon: a new Florisian fossil locality from fluvial contexts in the western Free State, South 

Africa. South African Journal of Science 2000;96:161-163. 

ELENGA, H., PEYRON, O., BONNEFILLE, R., JOLLY, D., CHEDDADI, R., GUIOT, J., 

ANDRIEU, V., BOTTEMA, S., BUCHET, G., DEBEAULIEU, J.L., HAMILTON, A.C., 

MALEY, J., MARCHANT, R., PEREZ-OBIOL, R., REILLE, M., RIOLLET, G., SCOTT, L., 

STRAKA, H., TAYLOR, D., VAN CAMPO, E., VINCENS, A., LAARIF, E., JONSON, H. 

Pollen-based biome reconstruction for southern Europe and Africa. Journal of Biogeography 

2000;27:621-634. 


Algae: A major threat to show caves. Proceedings of the International Association of Theoretical 

and Applied Limnology (Verhandeling Internat. Verein. Limnology) 2000;27:2024-2028. 


Lithophytic Algae: A major threat to the karst formation of show caves. Journal of Applied 

Phycology. 2000;12:309-315. 


Physiological and technological considerations for optimising mass algal cultures. Journal of 

Applied Phycology 2000;12:201-206. 

GROBBELAAR, J.U., MOHN, F.H., SOEDER, C.J. 

Potential of algal mass cultures to fix CO 2 emissions from industrial point sources. Archiv Fur 

Hydrobiologie (Algological Studies) 2000;98:169-183. 

KLEYNHANS, R., SPIES, J.J. 

Evaluation of genetic variation in Lachenalia bulbifera (Hyacinthaceae) using RAPDs. Euphytica 

2000;115 141-147. 

KOCK, J.L.F., VENTER, P., SMITH, D.P., VAN WYK, P.W.J., BOTES, P.J., COETZEE, D.J., 

POHL, C.H., BOTHA, A., RIEDEL, K-H., NIGAM, S. 

A novel oxylipin-associated “ghosting” phenomenon in yeast flocculation. Antonie van 

Leewenhoek 2000;77:401-406. 

LABUSCHAGNE, M.T., DE SWARDT, A.M., VILJOEN, C.D. 

Genetic relationships between South African wheat cultivars as measured by gliadin banding 

patterns. Plant Breeding/Zeitschrift für Pflanzenzüchtung 2000;119:280-282. 

SCOTT, L., VOGEL, J.C. 

Evidence for environmental conditions during the last 20 000 years in Southern Africa from 13C in 

fossil hyrax dung. Global and Planetary Change 2000;26(1-3):205-213. 

26

27 

SMITH, D.P., KOCK, J.L.F., MOTAUNG, M.I., VAN WYK, P.W.J., VENTER, P., COETZEE, 

D.J., NIGAM, S. 

Ascospore aggregation and oxylipin distribution in the yeast Dipodascopsis tothii. Antonie van 

Leewenhoek 2000;77:389-392. 

SMITH, D.P., KOCK, J.L.F., VAN WYK, P.W.J., VENTER, P., COETZEE, D.J., VAN 

HEERDEN, E., LINKE, D., NIGAM, S. 

The occurrence of 3-hydroxy oxylipins in the ascomycetous yeast family Lipomycetaceae. South 

African Journal of Science 2000;96:247-249. 

SPIES, J.J., DU PREEZ, J.L., MINNAAR, A., KLEYNHANS, R. 

Chromosome studies on African plants. 13. Lachenalia mutabilis, L. pustulata and L. unicolor. Bothalia 

2000;30(1):106-110. 

SPIES, J.J., VENTER, H.J.T., VAN WYK, S.M.C. 

Chromosome studies on African plants. 15. Periplocoideae. Bothalia 2000;30(2):211-213. 

STRAUSS, T., BOTHA, A., GREYLING, D., MOSTERT, T., DU PREEZ, P.J., KOCK, J.L.F. 

Development and testing of selective media for mucoralean fungi. South African Journal of 

Science 2000;96:591-602. 

STRYDOM, A., SPIES, J.J., VAN WYK, S.M.C. 

Chromosome studies on African plants. 14. Panicoideae. Bothalia 2000;30(2):201-206. 

VENTER, H.J.T., VERHOEVEN, R.L. 

Raphionacme sylvicola (Apocynaceae, Periplocoideae), a New Species from Zambia. Novon 

2000;10:169-174. 

VILJOEN, C.D., WINGFIELD, B.D., WINGFIELD, M.J. 

Computer aided systematic evaluation of morphological characters of the Ophiostomatoid fungi. 

Mycotaxon 2000;LXXIV(1):217-239. 

VISSER, N.C., SPIES, J.J., VENTER, H.J.T. 

Apomictic embryo sac development in Cenchrus cilliaris (Panicoideae). Bothalia 2000;30(1):103-106. 



CARRION, J.S., SCOTT, L., HUFFMAN, T., DRYER, C. 

Pollen analysis of Iron Age cow dung in Southern Africa. Vegetation History and Archaeobotany 

2000;9:239-249. 




Training programme for skilled and non-skilled staff at a Spirulina production plant. Eskom, 2000: 

11. 

ROOS, J.C. 

Katse Dam and the proposed Kruisvallei Dam water quality study. Report for Rand Water, 

Scientific Services, Vereeniging. 2000: 118. 


Editorships/co-editorships / Redakteurs/mederedakteurs


Editorial panel of international scientific journal: Hydrobiologia. 


Editorial panel of international scientific journal: Journal of Applied Phycology. 


Editoria panel: S.A. Journal of Botany. 

TREDICI, M., DE PHILIPPIS, R., MATERASSI, R., GROBBELAAR, J.U., WHITTON, B.A. 

Editors: 8 th International Conference on Applied Algology, 26 September to 1 October 1999, 

Montecatini Terme, Italy. Journal of Applied Phycology 12 (3-5), 2000. 


VENTER, Andor Margaretha 

TAXONOMY OF THE GENES LYCIUM L. (Solanaceae) IN AFRICA Promoter: Prof. H.J.T. 

Venter Co-promoter: Prof. R.L. Verhoeven 


COETZER, Maria Elizabeth 

A MOLECULAR SYSTEMATIC STUDY OF THE GENUS ENCEPHALARTOS. Supervisor: 

Prof. J.J. Spies Co-supervisors: Prof. A.-M. Oberholster Dr P. Vorster 

VAN DYK, Maria Magdalena 

A PHYLOGENETIC STUDY OF SOME REPRESENTATIVES OF THE GENUS EHRHARTA. 

Supervisor: Prof. J.J. Spies 

VENTER, Gertruida Cornelia 

WATER QUALITY OF THE UPPER ORANGE RIVER. Supervisor: Dr J.C. Roos Co-supervisor: 

Dr P.W.J. Van Wyk 

DEPARTMENT OF CHEMISTRY 

DEPARTEMENT CHEMIE 

Head of Department/Departementshoof: Prof. S.S. Basson 

+27 051 401-2348 

+27 051 430-7805 

bassonss@sci.uovs.ac.za 


Bekker, R. Dr. 

Bennie, L. Miss/Mej. 

Botha, J.M. Dr. 

Brandt, E.V. Prof. 

Coetzee, J. Dr. 

Datt, M. Mr/Mnr. 

Ferreira, D. Prof. 

Janse van Rensburg, W. Mr/Mnr. 

Johansson, M. H. Miss/Mej. 

Lamprecht, D. Dr. 

28

Lamprecht, G.J. Prof. 

Malan, E. Prof. 

Marais, C. Dr. 

Mciteka, L. Mr/Mnr. 

Oskarsson, Å. Dr. 

Otto, S. Dr. 

Roodt, A. Prof. 

Smith, J. Mr/Mnr. 

Steenkamp, J.A. Prof. 

Steyn, G.J.J. Dr. 

Swarts, J.C. Prof. 

Swarts, P.J. Mr/Mnr. 


Chapters in Books / Hoofstukke in Boeke: 

ROODT, A., STEYN, G.J.J. 

Iodomethane Oxidative Addition to carbonylphosphine complexes of Rhodium(I): Activation by N,S 

bidentate ligands. Pandalai, S.G. (ed.). Recent Research Developments in Inorganic Chemistry, 

Transworld Research Network, 2000; 2: 1-23. 


Conference presentations / Konferensieaanbiedings 

BEKKER, R., BRANDT, E.V., FERREIRA, D. 

The Synthesis of Selected Benzofuranoids. 7th Frank Warren Conference on Organic Chemistry, 

Aventura Spa, Warmbaths, Northern Province, 2000. 

BRANDT, E.V., BEKKER, R., FERREIRA, D. 

The Constitution of Oligomeric Benzofuranoids. 7th Frank Warren Conference on Organic 

Chemistry, Aventura Spa, Warmbaths, Northern Province, 2000. 

BRANDT, E.V., BEKKER, R., FERREIRA, D. 

Structure and Stereochemistry of the First Bibenzofuranoids. SACI, 35th Convention of the SA 

Chemical Institute, Potchefstroom, 2000. 

BRANDT, E.V., KAMARA, B.I., FERREIRA, D. 

Isolation and Characterisation of Phenolic Metabolites from Honeybush Tea (Cyclopia Intermedia). 7th 

Frank Warren Conference on Organic Chemistry, Aventura Spa, Warmbaths, Northern Province, 

2000. 

COETZEE, J., FERREIRA, D., MALAN, E. 

The Synthesis of Ether-linked Proanthocyanidins and Arising Applications. 7th Frank Warren 

Conference on Organic Chemistry, Aventura Spa, Warmbaths, Northern Province, 2000. 

COETZEE, J., BENNIE, L., FERREIRA, D. 

Reductive Cleavage and Structure Elucidation. 7th Frank Warren Conference on Organic Chemistry, 

Aventura Spa, Warmbaths, Northern Province, 2000. 

CONRADIE, J., LAMPRECHT, G. J., SWARTS, J. C. 

Chemical kinetics and electrochemistry of ferrocene-containing β-diketonato complexes of Rh(I). 34 th 

International conference on coordination chemistry (ICCC-34), Edinburg, Scotland, 2000. 

ENGELBRECHT, H.P., ROODT, A. 

29

30 

Complexes Containing the Trans-ReO 2 Core and Related Moieties: Axial Oxygen Activation by 

Equatorial Ligand Manipulation. 34th International Conference on Coordination Chemistry, 

University of Edinburgh, Edinburgh, Scotland, 2000. 


Equatorial Ligand Manipulation in Complexes Exhibiting the Trans-ReO 2 Core and Related Moieties 

to Induce Axial Oxygen Activation. SASNM 9th Biannual Congress, University of the Orange Free 

State, Bloemfontein, South Africa, 2000. 


Pro – Chirality in Complexes Containing the [O=Re=O] + and [O=Re] N+ Core Types. Indaba III, 

Skukuza, Kruger National Park, South Africa, 2000. 

FALZONE, N., SWARTS, J.C., SLABBERT, J.P., VAN RENZBURG, C.E.J. 

Radiosensitization effect of a novell Rhodium complex on CHO cells in vitro. 1 st International 

Radiobiology conference, Stellenbosch, South Africa, 2000. 

HILL, T.N., OTTO, S., ROODT, A. 

Solid State Chirality Observed in Rhodium(I) Vaska Type Complexes. Indaba III, Skukuza, Kruger 

National Park, South Africa, 2000. 

HOWELL, H., MALAN, E., COETZEE, J., FERREIRA, D. 

The Synthesis of Flav-3-en-3-ol/A Suggested Precursor in the Biogenesis of Flavanoids. 7th Frank 

Warren Conference on Organic Chemistry, Aventura Spa, Warmbaths, Northern Province, 2000. 

JANSE VAN RENSBURG, W., LITTHAUER, D., FERREIRA, D., MALAN, E., STEENKAMP, 

J.A. 

Phenol Oxidase Generated Quinones as Intermediates for Biphenyl Construction: Relevance in 

Flavonoid Chemistry. 7th Frank Warren Conference on Organic Chemistry, Aventura Spa, 

Warmbaths, Northern Province, 2000. 

KOORTZEN, J. G., SWARTS, J.C. 

Anchoring of polymers possessing a benzo-15-crown-5 moiety. 38 th International symposium on 

Macromolecules (MACRO 2000), Warsaw, Poland, 2000. 

LANGNER, E.H.G., SWARTS, J.C. 

Synthesis, electrochemical and photodynamic cancer activity of long chain 1,4,8,11,15,18,22,25 heptaalkylated 

phthalocyanines posessing a ferrocenyl fragment. 1 st International conference on porphyrines 

and phthalocyanines (ICPP-1), Dijon, France, 2000. 

MARAIS, J.P.J., BRANDT, E.V., FERREIRA, D. 

The Phenolic Profile of South African Red Wine. 7th Frank Warren Conference on Organic 

Chemistry, Aventura Spa, Warmbaths, Northern Province, 2000. 

MEIJ, A., OTTO, S., ROODT, A. 

Water Soluble Complexes of Palladium(II) and Rhodium(I). 35th SACI Congress, Potchefstroom, 

South Africa, 2000. 

MULLER, A.J., OTTO, S., ROODT, A., JOHANSSON, M. 

Isomorphous Platinum Group Metal Complexes Containing the Ferrocenyl Moiety in tertiary 

Phosphine Ligands. Indaba III, Skukuza, Kruger National Park, South Africa, 2000. 

OTTO, S. 

Tuning Rh(I) Vaska Catalysts: IR, NMR and X-ray crystallographic Study. 34th International 

Conference on Coordination Chemistry, University of Edinburgh, Edinburgh, Scotland, 2000.

OTTO, S., DATT, M.S., SACHT, S., ROODT, A. 

Chiral Platinum(II) Alkoxycarbonylthiourea Complexes for Potential Use as Non-Classical 

Chemotherapeutic Agents. Indaba III, Skukuza, Kruger National Park, South Africa, 2000. 

ROODT, A. 

Mechanistic aspect of Technetium and Rhenium Complexes with Application as 

Radiopharmaceuticals. 34th International Conference on Coordination Chemistry, University of 

Edinburgh, Edinburgh, Scotland, 2000. 

ROODT, A. 

Mechanistic aspect of Technetium and Rhenium Complexes with Application as 

Radiopharmaceuticals. SASNM 9th Biannual Congress, University of the Orange Free State, 

Bloemfontein, South Africa, 2000. 

ROODT, A. 

Chirality in Coordination Chemistry: Selected Examples and Applications. Indaba III, Skukuza, 

Kruger National Park, South Africa, 6 - 11 August 2000. 

SAM, Z., OTTO, S., ROODT, A. 

Solid State and Solution Study on Water Soluble Phosphine Complexes of Platimun(II). 35th SACI 

Congress, Potchefstroom, South Africa, 2000. 

SEKULISA, P., OTTO, S., ROODT, A. 

Iodine Oxidative Addition to Tertiary Aryl Phosphines. 35th SACI Congress, Potchefstroom, South 

Africa, 2000. 

STEYL, G., ROODT, A. 

Rhodium(I) Complexes Containing Tropolone and Related Ligand Systems as Precursors for 

Stereoselective Catalysts. Indaba III, Skukuza, Kruger National Park, South Africa, 2000. 

STEYL, G., ROODT, A. 

Phosphine Catalysed Oxidative Addition of Methyl Iodide to Phosphine Carbonyl Tropolonato 

Complexes of Rhodium(I). 35th SACI Congress, Potchefstroom, South Africa, 2000. 

SWARTS, J.C. 

Synthesis, Electrochemistry And Thermodynamics Of Long Chain 1,4,8,11,15,18,22,25 Octa-Alkylated 

Phthalocyanines Posessing Discotic Liquid Crystalline Properties. 1 st International conference on 

porphyrines and phthalocyanines (ICPP-1), Dijon, France, 2000. 

VAN AARDT, T.B., VAN RENSBURG, H., FERREIRA, D., BRANDT, E.V. 

The Direct Synthesis of Pterocarpans. 7th Frank Warren Conference on Organic Chemistry, Aventura 

Spa, Warmbaths, Northern Province, 2000. 


Research articles in accredited research journals / Navorsingsartikels in 

geakkrediteerde navorsingstydskrifte: 

BEKKER, R., FERREIRA, D., SWART, K.J., BRANDT, E.V. 

Biflavonoids. Part 5: Structure and Stereochemistry of the First Bibenzofuranoids. Tetrahedron 

2000;56:5297-5302. 

BENNIE, L., MALAN, E., COETZEE, FERREIRA, D. 

Structure and synthesis of ether-linked proteracacinidin and promelacacinidin proanthocyanidins from 

Acacia caffra. Phytochemistry 2000;53:785-793. 

31

COETZEE, J., MALAN, E., FERREIRA, D. 

Synthesis and Reactions of Flav-3-en-3-ols. Tetrahedron 2000;56:1819-1824. 

COETZEE, J., MCITEKA, L., MALAN, E., FERREIRA, D. 

Structure and synthesis of the first procassinidin dimers based on epicatechin, and gallo- and epigallocatechin. 

Phytochemistry 2000;53:795-804. 

JANSE VAN RENSBURG, W., FERREIRA, D., MALAN, E., STEENKAMP, J.A. 

Tyrosinase catalysed biphenyl construction from favan-3-ol substrates. Phytochemistry 2000;53:285- 

292. 

JOHANSSON, M. H., OTTO, S. 

Structure of trans-Dichlorobis(triphenylphosphine-P)platinum(II). Acta Crystallographica 2000; C56: 

e12-e15. 

JOHANSSON, M.H., OTTO, S., ROODT, A., OSKARSSON, Å. 

Packing Effects on the Geometry of Neutral platinum(II) complexes due to solvate molecules. The 

structure of tansdichlorobis-(triphenylarsine)platinum(II). Acta Crystallographica 2000;B56:226-233. 

LAMPRECHT, D., LAMPRECHT, G.J. 

A Molecular Mechanics Force Field for Rhodium(I) Carbonyl Phosphine Complexes and its 

Application on the Oxidative Addition Reactions of these Complexes; G.J. Journal of Computational 

Chemistry 2000;21(8):692-703. 

LAMPRECHT, D., LAMPRECHT, G. J. 

Electrochemical oxidation of Rh(I) to Rh(III) in Rh(beta-diketonato)(CO)(PPh 3) complexes Inorganica 

Chimica Acta 2000;309(1-2):72-76. 

MARAIS, C., JANSE VAN RENSBURG, W., FERREIRA, D., STEENKAMP, J.A. 

(S)- and (R) –Eriodictyol-6-C-β-D-glucopyranoside, novel keys to the fermentation of rooibos 

(Aspalathus linearis). Phytochemistry 2000;55:43 

MARAIS, J.P.J., MUELLER-HARVEY, I., BRANDT, E.V., FERREIRA, D. 

Polyphenols, Condensed Tannins, and Other Natural Products in Onobrychis viciifolia (Sainfoin). Journal 

of Agricultural and Food Chemistry 2000;48:3440-3347. 

NIEMAND, I.C., CRONJE, I.S., BOTHA, J.M. 

Physical properties of acetic acid vital in evaluating the cervix for neoplastic changes. European 

Journal of Gynaecologic Oncology 2000;21:380-382. 

OTTO, S., ROODT, A., SMITH, J. 

Steric effects induced by ferrocenyl in tertiary organophosphines: crystal structure of transchloromethylbis(ferrocenyldiphenylphosphine) 

palladium(II) benzene disolvate. Inorganica Chimica 

Acta 2000;303:295-299. 

SACHT, C., DATT, M. , OTTO, S., ROODT, A. 

Synthesis and characterisation of chiral and achiral platinum(II) complexes for potential use as 

chemotherapeutic agents: Crystal and molecular structures of cis-[Pt(L 1 ) 2] and [Pt(L 1 )Cl(MPSO)]; 

[HL 1 =(N,N-diethyl-N’-benzoylthiourea]. Journal of the Chemical Society Dalton Transactions 

2000;5:727-733. 

SACHT, C., DATT, M. , OTTO, S., ROODT, A. 

32

33 

Synthesis, characterisation and coordination chemistry of novel chiral N,N-dialkyl-N - 

menthyloxycarbonylthioureas. Crystal and molecular structures of N,N-diethyl-N-(+)-(3R)menthyloxycarbonylthiourea 

and cis-(S,S)-[Pt(L)Cl(DMSO)] [where HL = N-(+)-(3R)menthyloxycarbonyl-N-morpholinothiourea 

or N-benzoyl-N,N-diethylthiourea]. Journal of the 

Chemical Society Dalton Transactions 2000;24:4579-4586. 

SWARTS, J.C. SWARTS, P.J., BAKER, E.N., BAKER, H.M. 

Spectroscopic studies on metal complexes of Aspergillus awamori-derived recombinant human 

lactoferrin. Inorganica Chimica Acta 2000;298:187-194. 



COOKE, M.W., MURPHY, C.A., CAMERON, S.T., SWARTS, J.C., AQUINO, M.A.S. 

Structure and electrochemistry of a tetrakis(ferrocenylcarboxylato)diruthenium(II,III) diadduct: 

Evidence for ferrocenyl-ferrocenyl communication. Inorganic Chemistry Communications 2000;3:721- 

725. 



ROODT, A. 

Inorganic editor: South African Journal of Chemistry, 2000. 


DAMOENSE, Llewellyn Joseph 

FUNDAMENTAL ASPECTS OF SELECTED RHODIUM COMPLEXES IN HOMOGENEOUS 

CATALYTIC ACETIC ACID PRODUCTION. Promoter: Prof. A. Roodt Co-promoter: Prof. W. 

Purcell 

VAN AARDT, Theunis 

DIRECT SYNTHESIS OF PTEROCARPANS via ALDOL CONDENSATION. Promoter: Dr. H. 

van Rensburg Co-promoter: Prof. D. Ferreira 

VISSER, Hendrik Gideon 

CHARACTERISATION AND SUBSTITUTION KINETICS OF CHROMIUM(lll)- AND 

COBALT(lll)NITRILOTRIACETATO COMPLEXES. Promoter: Prof. W. Purcell Co-promoter: 

Prof. S.S. Basson 


BEKKER, Madelyn 

IDENTIFIKASIE VAN ISOFLAVONOIËDE UIT DALBERGIA NITIDULA. STRUKTUUR 

EN SINTESE VAN 2’, 3’, 7 – TRIASETOKSI-4’ –METOKSI-ISOFLAVAAN. [Identification of 

isoflavonoid from Dalbergia nitidul. Structure and synthesis of 2’, 3’, 7 – triasetoxi-4’ –methoxyisoflavan]. 

Cum laude. Studieleier/Supervisor: Prof. E. Malan Medestudieleier/Co-supervisor: Prof. 

E.V. Brandt 

GRIFFITHS, Ronel 

REGIOSELECTIVE OXIDATION OF CRESOLS VIA THE APPLICATION OF 

HETEROGENEOUS CATALYSIS. Supervisor: Prof. J.A. Steenkamp, 

LANGNER, Ernst Heinrich George

34 

SYNTHESIS, ELECTROCHEMICAL AND SPECTROSCOPIC STUDIES OF 

MULTIDECYLATED LIQUID CRYSTALLINE PHTHALOCYANINE- 

FERROCENYLALKOXIDE CONJUGATES FOR BIOMEDICAL APPLICATIONS. Supervisor: 

Prof. J.C. Swarts 

MULLER, Alfred Johannes 

THE CHARACTERISATION AND KINETIC STUDY OF RHODIUM(I) AND IRIDIUM(I) 

TRIAZOLE COMPLEXES. Supervisor: Prof. S.S. Basson Co-supervisor: Prof. W. Purcell 

STEYL, Gideon 

MONO AND BIS TERTIARY ARYL PHOSPHINE CARBONYL TROPOLONATO 

COMPLEXES OF RHODIUM(I). Cum laude. Supervisor: Prof. A. Roodt 

DEPARTMENT OF COMPUTER SCIENCE AND INFORMATICS 

DEPARTEMENT REKENAARWETENSKAP EN INFORMATIKA 

Head of Department/Departementshoof: Prof. H.J. Messerschmidt 

+27(0)51-401-2605 

+27(0)51-447-4152 

hans@wwg3.uovs.ac.za 

Authors in the department/Outeurs verbonde aan die departement 

Blignaut, P.J. Dr. 

De Wet, L. Dr. 

Dednam, E.H. Mrs/Mev. 

Mc Donald, T. Prof. 

Messerschmidt, H.J. Prof. 

Tolmie, C.J. Prof. 

Van Biljon, A. Dr. 

Van Rooyen, J.C. Mr/Mnr. 



BLIGNAUT, P. J., Mc DONALD, T., TOLMIE, C.J. 

Psychological issues regarding computer use by nurses serving in an African primary health care clinic. 

7 th IMIA (International Medical Informatics Association) International Nursing Informatics Congress, 

Auckland, New Zealand, April/May 2000. 

BLIGNAUT P.J., Mc DONALD, T., TOLMIE, C.J. 

The influence of experience, culture and spatial visualization ability on users’ attitudes and anxiety 

towards computer use. Information Resources Management Association International Conference, 

Anchorage, Alaska, USA., May 2000. 

VAN BILJON, A. 

On … or off, one or zero? A practical approach to Boolean Principles – for enrichment. 6 th National 

Congress of AMESA 2000 (The Association for Mathematics Education of South Africa), 

Bloemfontein, SA., July 2000. 

VAN ROOYEN, J.C., TOLMIE, C.J. 

A patient simulation system for nursing education. ED-MEDIA 2000 (World Conference on 

Educational Multimedia, Hypermedia and Telecommunications), Montreal, Canada, June 2000.

35 

WEEPENER, H.L., MESSERSCHMIDT, H.J., VILJOEN, M.F. 

Optimising Floodplain Management with GIS. 2nd International Conference on Geospatial 

Information in Agriculture and Forestry, Lake Buena Vista, Florida, USA., January 2000. 


Conference presentations/Konferensievoordragte 

MC DONALD, T. 

Psychological issues regarding computer use by nurses serving in an African primary health care clinic. 

7 th IMIA (International Medical Informatics Association) International Nursing Informatics Congress, 

Auckland, New Zealand, April 2000. 



BURGER, A.J., STEENBERG, D.L. 

SAPZIM. 2000. 

DE NYSSCHEN, A.P., DE WET, L. 

PETROKLOK. 2000. 

GERMISHUYS, W.J., BLIGNAUT, P.J. 

Customising Search Page. 2000. 

LATEGAN, B.D., STEENBERG, D.L. 

AKOMDAS. 2000. 

MEIRING, S.P., MC DONALD, T. 

Gariepdam Inflow Predictor. 2000. 

ROSELT, G., MESSERSCHMIDT, H.J. 

Dungeon Quest. 2000. 

ROSSOUW, R.J., TOLMIE, C.J. 

Rosfin MM. 2000. 

SMITH, B.B., BLIGNAUT, P.J. 

Administration System for a Multi-level marketing company. 2000. 

SMITH, R.G., VAN WYK, J.G.L. 

Besigheidsplan van E-Commerce (Musica projek)/Business plan for E-Commerce (Musica project]. 

2000. 

WATSON, J.F., VAN WYK, J.G.L. 

PMSys. 2000. 


BEKKER, Meintjes 

3D VISUALIZATION OF DATA FROM GROUNDWATER FLOW AND TRANSPORT 

MODELS. Cum laude. Supervisor: Prof. H.J. Messerschmidt Co-supervisor: Prof. W. Chiang 

DEPARTMENT OF CONSUMER SCIENCE 

DEPARTEMENT VERBRUIKERSWETENSKAP

Head of Department/Departementshoof: Prof. H.J.H. Steyn 

+27-(0)51-401-2304 

steynhj@sci.uovs.ac.za 


SNYDERS, Eileen Dawn 

EVALUERING VAN GESKIKTE PLAASLIK BESKIKBARE BRA’S AS ALTERNATIEWE 

KEUSE VIR DIE PROSTESE-BRA [Evaluation of suitable locally available bra’s as alternative 

choice to the prosthesis bra]. Promotor/Promoter: Prof. H.J.H. Steyn. 

DEPARTMENT OF FOOD SCIENCE 

DEPARTEMENT VOEDSELWETENSKAP 

Head of Department/Departementshoof: Prof. G. Osthoff 

+27 051 401-2216 

+27 051 401-2216/448-0692 

osthoffg@sci.uovs.ac.za 


Hugo, A. Mr/Mnr. 

Myburgh, J. Dr. 

Osthoff, G. Prof. 



BOTHMA, M., OSTHOFF., VILJOEN, B.C. BOTHMA, C. 

A comparative study of proteolysis in cheddar cheese and yeast-inoculated cheddar cheese during 

ripening. All Africa Dairy Expo: SA Society of dairy technology, Mini Symposium on Cheese 

Processing, Showgrounds, Bloemfontein. 11-13 September 2000. 

MEYER, R.P., MYBURGH., J. 

Lactose hydrolysis in milk for accelerated cheese processing. All Africa Dairy Expo: SA Society of 

Dairy Technology, Mini Symposium on Cheese Processing, Showgrounds, Bloemfontein. 11-13 


SEISA, D., OSTHOFF, G., HUGO, A., VAN DER MERWE, J HUGO, C.J., BOTHMA, C. 

Irradiation and accelerated ripening of cheddar cheese. All Africa Dairy Expo: SA Society of Dairy 

Technology. Mini Symposium on Cheese Processing, Showgrounds, Bloemfontein. 11-13 September 

2000. 

Plakkate / Posters 

BOTHMA, M., OSTHOFF, G., VILJOEN, B.C., BOTHMA, C. 

A Comparative study of proteolysis in cheddar cheese and yeast-inoculated cheddar cheese during 

ripening. Presented at the 33 rd annual general meeting and symposium of the SA Society of Dairy 

Technology, Pietersburg, 6-8 March 2000. 

SEISA, D., OSTHOFF, G., HUGO, A., VAN DER MERWE, J HUGO, C.J., BOTHMA, C. 

Irradiation and accelerated ripening of cheddar cheese. Presented at the 33 rd annual general meeting 

and symposium of the SA Society of Dairy Technology, Pietersburg, 6-8 March 2000. 

36


Research articles in accredited research journals/Navorsingsartikels in geakkrediteerde 


OSEI ABUNYEWA, A.A., LAING, E., HUGO, A. VILJOEN BC. 

The population change of yeasts in commercial salami. Food Microbiology 2000;7(4):429-438. 



HUGO, A. 

Meat processing can be a profitable farm industry. Farmers Weekly, 23 June, 24-25, 2000. 

HUGO, A. 

Werksessie vir beginners in waardetoevoeging tot vleisproduksie [Workshop for beginners in value-adding 

to meet production]. Landbouweekblad, 20 Oktober. 8-9, 2000. 


HUGO, Arnold 

LIPIEDGEHALTE VAN VARKVLEIS EN DIE BETEKENIS DAARVAN IN 

VLEISTEGNOLOGIE [Lipid quality of pork and its meaning in meat technology] 

Promotor/Promoter: Prof. P.J. Jooste Medepromotors/Co-promoter: Prof. E. Kallweit Prof. G. 

Osthoff 


BOTHMA, Maryna 

A COMPARATIVE STUDY OF PROTEOLYSIS IN CHEDDAR CHEESE AND YEAST 

INOCULATED CHEDDAR CHEESE DURING RIPENING. Cum laude. Supervisor: Prof. G. 

Osthoff Co-supervisor: Prof. B.C. Viljoen 

DEPARTMENT OF GEOGRAPHY 

DEPARTEMENT GEOGRAFIE 

Head of Department / Departementshoof : Prof. G. du T. de Villiers 

+27-(0)51-401-2255 

+27-(0)51-444-0790 

dvillig@sci.uovs.ac.za 


Booysen, H.J. Mr/Mnr. 

Botha, E.J. Mrs/Mev. 

De Villiers, G. du T. Prof. 

Krige, D.S. Dr. 

Kotze, N.J. Dr. 

Marais, J.G.L. Mr/Mnr. 

Schmitz, P.M.U. Mr/Mnr 



37

38 

BOTHA, E.J. 

The potential use of various remote sensing techniques to determine leaf nitrogen status of crop 

canopy. 26 th Annual conference of the Remote Sensing Society in Nottingham, UK, from 12-14 


MARAIS, L. 

Towards an understanding of the housing problem: Evidence from the Free State Province. 2 nd 

Southern African conference on Sustainable Development in the Built Environment in Pretoria from 

23-25 August 2000. 

PRETORIUS, E., DE VILLIERS, G. DU T. 

Integrated water quality management for a developing community in south-eastern suburbs of 

Bloemfontein. Hydro 2000 conference, Sydney, Australia. Australian Engineering Society, 20-24 

November 2000. 



MARAIS, L. 

Towards a spatial investment framework for urban settlements in the Free State Province (South 

Africa). Urban Futures, Johannesburg, S.A., 2000. 

MARAIS, L. 

An assessment of post-apartheid housing delivery in the Free State. Free State Housing Symposium of 

the Department of Architecture (University of the Free State), Bloemfontein, S.A., 2000. 

MARAIS, L., 

Principles to guide public housing investment in the Free State. Mini-conference of the Institute for 

Town and Regional Planners, Bloemfontein, S.A., 2000. 




KOTZE, N.J., VAN DER MERWE, I.J. 

Neighbourhood renewal in Cape Town’s inner city: Is it gentrification? Journal of Family Ecology 

and Consumer Sciences 2000;28:39-46. 

MARAIS, L., KRIGE, S. 

Who received what, where in the Free State? An assessment of post-apartheid housing delivery and 

policy (1994 – 98). Development Southern Africa 2000;17(4):603-619. 

SCHMITZ, P.M.U., DE VILLIERS, G. DU T. 

Verifying the NPS-WASHMO urban run-off component of the ACRU model. Acta Academica 2000; 

32(2):186-212. 



MARAIS, L. 

Towards a housing strategy in the Free State: A discussion document. Urban Upgrading and 

Development Project, Bloemfontein. 2000:54. 

Doctors degree completed / Doktersgraad afgehandel

39 

CLAASSEN, Johannes Hendrik Daniel 

LANDBOU- EN LANDELIKE ONTWIKKELING IN DIE QWAQWA-GEBIED: ‘N 

GEOGRAFIESE ONDERSOEK [Agricultural and rural development in the Qwaqwa area: A 

geographical study]. Promotor/Promoter: Prof. G.du T. de Villiers Medepromoter/Co-promoter: Prof. 

M.F. Viljoen 

MASHININI, Israel Vusi 

SUSTAINABLE RURAL DEVELOPMENT IN LESOTHO. Promoter: G. du T. De Villiers Copromotor: 

Dr. I.B. Groenewald 

DEPARTMENT OF GEOLOGY 

DEPARTEMENT GEOLOGIE 

Departmental Chairman/Departementele Voorsitter: Prof W.A. van der Westhuizen 

+27 051 4012515 

+27 051 4478501 

vdwestwa@sci.uovs.ac.za 


Beukes, G.J. Prof. 

Boer, R.H. Prof. 

Colliston, W.P. Dr. 

De Bruiyn, H. Dr. 

Geringer, G.J. Prof. 

Havenga, A.T. Student. 

Jacobson, L. Student. 

Loock, J.C. Mr/Mnr. 

Praekelt, H.E. Dr. 

Schoch, A.E. Prof. 

Van der Westhuizen, W.A. Prof. 

Visser, J.N.J. Prof. 


Books / Boeke 

JACOBSON, L., VAN DER WESTHUIZEN, W.A.. 

Report on the chemical composition of a suite of clay figurine fragments from Schroda, an 

Early Iron Age site in the Shashi-Limpopo Valley, Northern Province, South Africa. In Van 

Schalkwyk, J. (ed.) The Schroda Figurines: Pretoria. 

VISSER, J.N.J. 

Lithostratigraphy of the Makganyene Formation (Postmasburg Group*). Lithostratigraphic 

Series No 34: South African Committee for Stratigraphy, 2000:7. 

VON BRUNN, V., VISSER, J.N.J. 

Lithostratigraphy of the Mbizane Formation (Dwyka Group). Lithostratigraphic Series No 

32: South African Committee for Stratigraphy, 2000;10. 

RÖSSNER, T., BOER, R.H., REYNECKE, R., AUCAMP, P., VERMAAK, J.J.G. 

An assessment of pollution contained in the unsaturated and saturated zone beneath 

reclaimed gold mine residue deposits. Pretoria Water Research Commission, Report No. 

K5\797\0\1. 2000



COLLISTON, W.P., SCHOCH, A.E. 

Mid-Proterozoic tectonic evolution along the Orange River on the border between South 

Africa and Namibia. Special Henno Martin volume Namibia Geology. Survey 2000. 



JACOBSON, L., VAN DER WESTHUIZEN, W.A., OOSTHUYSEN, J. 

SARM 69 Ceramic-1: a new pottery certified reference material for inter- and intra-laboratory 

calibration. In: JEREM, E & Biro, K.T. (eds.). Archaeometry 98. Proceedings of the 31 st 

International Symposium on Archaeometry. Budapest, 27 April – 1 May 1998. Oxford: 

Archaeopress. 2 000 

JACOBSON, L., VAN DER WESTHUIZEN, W.A., MORRIS, D. 

XRF analysis of pastoralist pottery from the Riet River area, Northern Cape, South Africa.. . 

In: JEREM, E & Biro, K.T. (eds.). Archaeometry 98. Proceedings of the 31 st International 

Symposium on Archaeometry. Budapest, 27 April – 1 May 1998. Oxford: Archaeopress. 

2000. 

SCHOCH, A.E. , SCHEEPERS, R. 

The west coast map: granites for the gourmet. Journal of African Earth Sciences. 

Geocongress 2000: 27 th Earth Science Congress of the GSSA (abstracts), 2000;67. 




Mesoproterozoic tectonic evolution of the Namaqua Metamorphic Complex. Journal of 

African Earth Sciences. Geocongress 2000: 27 th Earth Science Congress of the GSSA 

(abstracts) 2000; 12-13. 

JACOBSON, L., HUFFMAN, T.N., VAN DER WESTHUIZEN, W.A., REID, D.A.N. 

A comparative provenance study of pottery from Mapungubwe, South Africa and Toutswe 

and Break Pressure Tank, Botswana: some preliminary results. Paper presented to the 2000 

Biennial Conference of the South African Association of Archaeologists, University of the 

Witwatersrand. 2000. 

DREYER, J., LOOCK, J.C. 

The discovery of the Allemans and Brandfort concentration camps and cemeteries for Black 

people. National Conference on the Anglo-Boer South African War Conference, 1899 – 

1902. Department of Arts, Culture, Science and Technology. Durban 2000, 28-31 August, 

2000:10. 

SCHOCH, A.E. , SCHEEPERS, R. 

The west coast map: granites for the gourmet. Journal of African Earth Sciences. 

Geocongress 2000: 27 th Earth Science Congress of the GSSA (abstracts) 2000:67. 


Research articles in accredited research journals / Navorsingsartikels in 

geakkrediteerde navorsingstydskrifte 

40

41 

CHURCHILL, S.E., BRINK, J.S., BERGER, L.R., HUTCHISON, R.A., ROSSOUW, L., 

STYNDER, D., HANCOX, P.J., BRANDT, D., WOODBORNE, S., LOOCK, J.C., 

SCOTT, L., UNGAR, P. 

Erfkroon: a new Florisian fossil locality from fluvial contexts in the western Free State, South 

Africa. South African Journal of Science 2000;(96):161-163. 

COLLISTON, W.P., PRAEKELT, H.E., VAN DER MERWE, R., STEVENS, B. 

Recognition of Vredefort-related and Pre-Vredefort deformation in the Vredefort impact 

structure South Africa. Meteoritics and Planetary Science 1999;34(4). 

COLLISTON, W.P., REIMOLD, W.U., CROZIER, J. 

Pseudotachylitic breccia occurrences and geometry in the Vredefort Dome and 

Witwatersrand Basin. South Africa. Meteoritics and Planetary Science 1999;34(4). 


Mesoproterozoic tectonic evolution of the Namaqua Metamorphic Complex. Geocongress 

2000: 27 th Earth Science Congress of the GSSA (abstracts). Journal of African Earth Sciences 

2000;12-13. 

KRUGER, F.J., GERINGER, G.J., HAVENGA, A.T. 

The geology, petrology, geochronology and source region character of the layered 

gabbronoritic Oranjekom Complex in the Kibaran Namaqua mobile belt, South Africa. 

Journal of African Earth Sciences. 2000;30(3):687. 

DE BRUIYN, H., SCHOCH, A.E., VAN DER WESTHUIZEN, W.A., MYBURGH, C.A. 

Picrite from the Katse area Leshotho: evidence for flow differentiation. Journal of African 

Earth Sciences 2000;31(3/4):657-668. 

VAN DER WESTHUIZEN, W.A., DE BRUIYN, H. 

High temperature ash flow – wet sediment interaction in the Makwassie Formation, 

Ventersdorp Supergroup, South Africa. Precambrian Research 2000;101:341-351. 

DE BRUIYN, H., BEUKES, G.J., VAN DER WESTHUIZEN, W.A., NKHOMA J.E.S. 

A unique variety of pseudo-ixiolite from the Mperekezi pegmatite, Mzimba District, Malawi. 

Neues Jahrbuch fur Mineralogie. Monatshefte 2000;(4):175-195. 



BEUKES, G.J. 

An X-ray diffractometric investigation of a soil sample from the new housing area, 

Verkeerdevlei. Unpublished report for Mr. Frank Holder of the firm SIMLAB, 

Bloemfontein, January 2000:4. 

BEUKES, G.J. 

An X-ray diffractometric investigation of a soil sample from Tanzania. Unpublished report 

for Mr. Hannes van Vuuren the firm SIMLAB, Bloemfontein, March 2000:4. 

BEUKES, G.J. 

A mineralogical – petrological investigation of four samples (drill chips) from the Tosca area, 

Vryburg. Unpublished report for Mr. J.J. Kleynhans of Excelcior, June 2000:13. 

BEUKES, G.J. 

A mineralogical – petrological investigation of two-ironrich samples from the Ottosdal 

district. Unpublished report for Mr. J.J. Kleynhans of Excelcior, August 2000:7.

BEUKES, G.J., VAN DER WESTHUIZEN, W.A. 

A mineralogical investigation of two dolerite samples from Christiana district. Unpublished 

report for Mr. P. Haumann, August 2000:7. 

DE BRUIYN, H., VAN DER WESTHUIZEN, W.A. 

Microprobe analyses and interpretation of diamond indicator minerals: Project WA2000-1. 

Confidential report, Department of Geology, UFS, Bloemfontein 2000:24. 

DE BRUIYN, H., VAN DER WESTHUIZEN, W.A. 

Microprobe analyses and interpretation of diamond indicator minerals: Project WA2000-2. 

Confidential report, Department of Geology, UFS, Bloemfontein, 2000;16. 


Editorships / co-editorships / Redakteurs / mederedakteurs 

VAN DER WESTHUIZEN, W.A. 

Member of Editorial Board of SACS Lithostratigraphic Series. 

LOOCK, J.C. 

Member of Editorial Board of SACS Lithostratigraphic Series. 

DEPARTMENT OF GRASSLAND SCIENCE 

DEPARTEMENT WEIDINGKUNDE 

Head of department/Departementshoof: Prof. H.A. Snyman 

+27-(0)51-401-2221 

+27-(0)51-448-0692 

snymanha@sci.uovs.ac.za 


Oosthuizen, I.B. Mr/Mnr. 

Smit, G.N. Prof. 

Snyman, H.A. Prof. 

Vorster, L.F. Mr/Mnr. 

Van Rensburg, G. Mr/Mnr. 


Books / Boeke 

CD Rom/CD-skyf 

SMIT, G.N. 

Guide to the Acacias of South Africa: UFS, Faculty of Natural and Agricultural Sciences. 2000. ISBN 

1-87509-22-2. 


Conference proceedings/Kongresverhandelings 

EBRO, A.G., SNYMAN, H.A., SMIT, G.N. 

The botanical composition of rangelands in the dry Midrift valley of Ethiopia. Annual Arid Zone 

Ecological Forum, Kakamas, 14-17 August 2000:34. 

GIZACHEW, l., SMIT, G.N. 

42

43 

Wet season mineral status of soil, natural pasture and cattle blood serum in the mid-Altitude of 

Western Ethiopia. Annual Arid Zone Ecological Forum, Kakamas, 14-17 August 2000:17. 

HAGOS, M.G., SMIT, G.N. 

The quest of pastoralists in the western Lowlands of Eritrea. Annual Arid Zone Ecological Forum, 

Kakamas, 14-17 August 2000:14. 

OOSTHUIZEN, I.B., SNYMAN, H.A. 

Water-stress influence on growth reserves in Themeda triandra. Proceedings of the 35 th annual congress 

of the Grassland Society of Southern Africa. Triangle, Zimbabwe, 31 January to 3 February 2000:43. 

OOSTHUIZEN, I.B., SNYMAN, H.A. 

A survival strategy of Themeda triandra Forsk. under water stress. Annual Arid Zone Ecological Forum, 

Kakamas, 14-17 August 2000:42. 

SMIT, G.N. 

BECVOL 3 – the third generation of the tree. Proceedings of the 35 th annual congress of the 

Grassland Society of Southern Africa. Triangle, Zimbabwe, 31 January to 3 February 2000:47. 

SMIT, G.N. 

Some adaptations of Hardwickia mopane to survive in a semi-arid environment. Proceedings of the 

35 th annual congress of the Grassland Society of Southern Africa. Triangle, Zimbabwe, 31 January to 3 

February 2000:25. 

SMIT, G.N. 

Relationship between tree density and grass dry matter yield in Mopane veld. Annual Arid Zone 


SNYMAN, H.A. 

Veld degradation and soil-water distribution in a semi-arid grassland. Annual Arid Zone Ecological 

Forum, Kakamas, 14-17 August 2000:40. 

TEFERA, S., SNYMAN, H.A. 

Sustainability of rangeland utilization by nomadic pastoralists in Ethiopia. Annual Arid Zone 


VAN RENSBURG, G., SNYMAN, H.A., KELLNER, K. 

The effect of localized game concentration on the soil organic matter in a semi-arid area. Annual Arid 

Zone Ecological Forum, Kakamas, 14-17 August 2000:41. 

VORSTER, L.F. 

The influence of the optimal number of animals in any grazing system. Annual Arid Zone Ecology 

Forum, Kakamas, 14-17 August 2000:40. 



SMIT, G.N. 

The nature heritage of South Africa. Kwaggafontein Bewarea, Bloemfontein, 15 February 2000. 

SMIT, G.N. 

Aims and practical application of bush control for livestock and game farming. Bush control 

workshop. Grootfontein Farmers Union, Namibia, 21 February 2000. 

SMIT, G.N.

44 

Practical application of bush control for game farming. Bush control workshop. Hochfeld farmers 

union, Namibia, 24 February 2000. 

SMIT, G.N. 

Acacias of South Africa suitable for bonsai. Bloemfontein Bonsai Association, Bloemfontein, 11 

March 2000. 

SMIT, G.N. 

The Acacias of South Africa. Botanical Association of South Africa, Bloemfontein, 21 March 2000. 

SMIT, G.N. 

Ecological approach to game farm management. Game farming symposium, University of the Free 

State, Bloemfontein, 4 August 2000. 

SMIT, G.N. 

Game farming in the South-west Free State. Game farming workshop, Koffiefontein District 

Agricultural Union, 24 August 2000. 

SMIT, G.N. 

The importance of woody plants in African savanna, with special reference to bush encroachment and 

game farming. Biological Sciences Workshop, Bloemfontein, 16 November 2000. 




SMIT, G.N., RETHMAN, N.F.G. 

The influence of tree thinning on the soil water in a semi-arid savanna of Southern Africa. Journal of 

Arid Environments 2000;44:41-59. 

SNYMAN, H.A. 

Soil-water utilisation and sustainability in a semi-arid grassland. Water South Africa 2000;26(3):333- 

341. 



SMIT, G.N. 

Ekologiese benadering tot wildplaasbestuur [Ecological approach to game farm management]. Suid- 

Afrikaanse Jag en Wild/South African Game and Hunt, Oktober/October 2000:24-33. 

SNYMAN, H.A. 

Plan wat omgewing kan red vir volhoubare boerdery [Plan that can save the environment for 

sustainable farming]. Landbouweekblad, 24 Maart/March 2000:8-11. 


Editorship/co-editorships / Redakteurs/mederedakteurs 

SMIT, G.N. 

Advising editor: African Journal of Range and Forage Science. 2000. 

SNYMAN, H.A. 

Advising editor: African Journal of Range and Forage Science. 2000. 

INSTITUTE FOR GROUNDWATER STUDIES

INSTITUUT VIR GRONDWATERSTUDIE 

Director of Institute/Direkteur van Instituut: Prof. F.D.I. Hodgson 

+27 051 401-2175 

+27 051 447-3541 

frank@igs-nt.uovs.ac.za 

Authors in the Institute/Outeurs verbonde aan die Instituut: 

Botha, J.F. Prof. 

Cruywagen, L-M. Mrs/Mev 

De Lange, S.S. Mr/Mnr. 

De Necker, E. Mrs/Mev 

Fourie, F.D. Mr/Mnr. 

Grobbelaar, R. Mr/Mnr 

Hodgson, F.D.I. Prof. 

Van der Berg, J.J. Mr/Mnr 

Van Tonder, G.J. Prof. 

Van Wyk, A.E. Mr/Mnr. 

Zang, J. Mr/Mnr. 



VAN WYK A.E., MURRAY E.C., VAN TONDER, G.J. 

A tracer test in a fractured aquifer that gave a groundwater flow rate of kilometres per day. 

Proceedings of the XXX IAH Congress on Groundwater - Past Achievements and Future Challenges. 

Cape Town, South Africa, 26 November - 1 December 2000. 

DE LANGE S.S., VAN TONDER, G. J. 

Delineation of borehole protection zones in fractured rock aquifers. Proceedings of the XXX IAH 

Congress on Groundwater - Past Achievements and Future Challenges. Cape Town, South Africa, 26 

November - 1 December 2000. 

FOURIE, F.D., BOTHA, J.F., GROBBELAAR, R., VAN TONDER, G.J. 

Application of the electrokinetic sounding technique for geohydrological investigations. In 

Groundwater: Past Achievements and Future Challenges, Conference Proceedings IAH 200, Cape 

Town, SA. Edited by Ol Sililo.2000. 

VAN DER VOORT, I. VAN TONDER, G.J. 

Analysing the geometry of South African fractured rock aquifers. In Groundwater: Past Achievements 

and Future Challenges, Conference Proceedings IAH 200, Cape Town, SA. Edited by Ol Sililo. 2000. 

VAN WYK, A.E, MURRAY, E.C., VAN TONDER, G.J. 

A tracer test in a fractured aquifer that gave a groundwater flow rate of kilometers per day. In 

Groundwater: Past Achievements and Future Challenges, Conference Proceedings IAH 200, Cape 

Town, SA. Edited by Ol Sililo. 2000. 

DE LANGE, S.S., VAN TONDER, G.J. 

Delineation of borehole protection zones in fractured rock aquifers. In Groundwater: Past 

Achievements and Future Challenges, Conference Proceedings IAH 200, Cape Town, SA. Edited by 

Ol Sililo 2000. 


45


BOTHA, J.F., VAN WYK, A.E., VAN TONDER, G.J., ZHANG, J.A. 

Study of Groundwater Pollution in the Aquifer Underlying the AMPLATS, RPM Property. Final 

Report to the Environmental Department of the Process Division of Rustenburg Base Metal Refiners 

PTY (Ltd). Institute for Groundwater Studies, University of the Free State, P.O. Box 339, 

Bloemfontein 9300. 

VAN DER BERG J.J., CRUYWAGEN, L., DE NECKER, E., HODGSON, F.D.I. 

The suitability and impact of power station fly ash for water quality control in coal opencast mine 

rehabilitation. Report to the WRC. 

GROBBELAAR, R. CRUYWAGEN, L-M., DE NECKER, E., HODGSON, F. 

An investigation into geohydrological and hydrochemical aspects relating to mine closure for Transvaal 

Navigational Colliery Confidential report to Ingwe. 

GROBBELAAR, R., HODGSON, F.D.I. 

An update on water quality monitoring and groundwater plume model for Arnot Power Station. 

Confidential report to Eskom. 

HODGSON, F.D.I., USHER, H., SCOTT, R., ZEELIE, S., CRUYWAGEN, L.M., DE NECKER, 

E. 

Prevention techniques and preventative measures relating to the post-operational impact of 

underground mines on the quality and quantity of groundwater resources. Report to the WRC. 

HODGSON, F.D.I. 

Salt balance for Douglas Colliery. Confidential report to Ingwe. 

GROBBELAAR, R., CRUYWAGEN, L-M., DE NECKER, E., HODGSON, F.D.I. 

Groundwater quality and pollution plume modelling at Matimba Power Station. Confidential report to 

Eskom. 


Current and long-term water and salt balances for Enyati and Buffalo Collieries. Confidential report to 

Anglo Coal. 


Feasibility study into chemical analyses, data processing and laboratory services requires by Bloem 

Water. Report to Bloem Water. 


Salt balance for New Vaal Colliery. Confidential report to Anglo Coal. 


Editorships / co-editorships / Redakteurs / mederedakteurs 

BOTHA, J.F. 

Member of the Editorial Board: Numerical Methods for Partial Differential Equations. 


Member of the Editorial Board: Ground Water. 

VAN TONDER, G.J. 

Associate Editor of Hydrogeology Journal, Reston, Virginia, USA. 

46


VAN BOSCH, Izak Jacobus 

MANUAL ON PUMPING TEST ANALYSIS IN FRACTURED ROCK AQUIFERS. Cum laude. 

Supervisor: Prof. G.J. Van Tonder 

ZHANG, Jin-Hui 

ESTIMATION OF THE PRELIMINARY GROUNDWATER RESERVE USING NUMERICAL 

MODELS. Supervisor: Prof. W-H. Chiang 

DEPARTMENT OF MATHEMATICAL STATISTICS AND STATISTICS 

DEPARTEMENT WISKUNDIGE STATISTIEK EN STATISTIEK 

Head of Department/Departementshoof: Prof. D.J. de Waal 

+27 051 401-2311 

+27 051 447-4573 

wwdw@wwg3.uovs.ac.za 


Chikobvu, D. Mr/Mnr. 

De Waal, D.J. Prof. 

Finkelstein, M.S. Prof. 

Garisch, I. Dr. 

Groenewald, P.C.N. Prof. 

Naudé, A.M. Mr/Mnr. 

Pretorius, A.L. Mr/Mnr. 

Steyn, P.W. Dr. 

Van der Merwe, A.J. Prof. 

Van der Merwe, L. Mrs/Mev. 

Van Zyl, J.M. Dr. 

Viljoen, C.S. Ms/Me. 



NEL, D.G., GROENEWALD, P.C.N. 

On a Fisher–Cornish Type Expansion of Wishart Matrices. Innovations in Multivariate Statistical 

Analysis. A Festschrift for Heinz Neudecker. (eds.). R.D.H. Heijmans, D.S.G. Pollock and A. Satorra. 

Kluwer Academic Publications, Dordrecht/Boston/London 2000;16:232-233. 

FINKELSTEIN, M.S. 

Modeling a Process of Non-Ideal Repair. Recent advance in Reliability Theory. Methodology, Practice 

and Inference. Limnios, N., Nikulin, M. (eds.). 2000:41–53. 



BEIRLANT, J., DE WAAL, D.J., TEUGELS, J.L. 

The generalized Burr–Gamma family of distributions with applications in extreme value analysis. 

Proceedings of the 4th Conference on Limit Theorems in Probability and Statistics of the Journal. 

Bolyai Society 

DE WAAL, D.J., BEIRLANT, J. 

47

48 

Bayes predictions of high quantiles in a multivariate extreme value model with regression. 

Proceedings of 6 th ISBA Conference on Bayesian Statistics". 


The Estimation of Switchpoints in Multi--path Linear Regression. Proceedings of ISBA 2000 : 6 th 

World Conference, 28 May – 1 June 2000, Crete, Greece. 

PRETORIUS, A.L., VAN DER MERWE, A.J. 

Non-parametric Bayesian estimation for the Mixed Linear Model. Proceedings of 6 th ISBA Conference 

on Bayesian Statistics". 

VAN DER MERWE, A.J., PRETORIUS, A.L. 

Bayesian Method of Moments in the Case of the Mixed Linear Model. Proceedings of 6 th ISBA 

Conference on Bayesian Statistics. 



CHIKOBVU, D., DE WAAL, D.J. 

Bayesian Techniques for controlling the mean of a process in Statistical Process Control. ISBA 2000 : 

6 th World Conference, 28 May – 1 June 2000, Crete, Greece. 


Bayesian techniques for controlling the mean of a process in statistical process control. Conference of 

the SA Statistical Association, 6 to 10 November 2000 at WITS University. 

DE WAAL, D.J. 

Modelling High Monthly Wind-Gusts in Cape Town Area - A Bayesian Multivariate Extreme Value 

Model with Regression. ISBA 2000 : 6 th World Conference, 28 May – 1 June 2000, Crete, Greece. 

DE WAAL, D.J., BEIRLANT, J., DIERCKX, G. 

Objective Bayesian Extreme Tail Quantile Estimation. Third International Workshop on objective 

Bayesian Methodology, 20 to 23 September 2000, Ixtapa, Mexico. 


Predictive distributions of high quantiles of the Generalized Pareto and Burr–Gamma distributions. 

Conference of the SA Statistical Association, 6 to 10 November 2000at WITS University. 


A note on stochastically acceptable quality. Conference of the SA Statistical Association, 6 to 10 

November 2000 at WITS University. 

GROENEWALD, P.C.N., SCHOEMAN, A.C. 

Bayesian Estimation in Change-point Hazard Rate Models. Third International Workshop on 

objective Bayesian Methodology, 20 to 23 September 2000, Ixtapa, Mexico. 

NAUDÉ, A.M., DE WAAL, D.J. 

A Bayesian approach in Statistical Inferences on horse racing prediction. ISBA : 6 th World Conference, 

28 May – 1 June 2000, Crete, Greece. 


Bayesian Non–parametric Estimation for a Repeated Measure Design in Veterinary Medicine. 

Conference of the SA Statistical Association, 6 to 10 November 2000 at WITS University. 

VAN DER MERWE, A.J., PRETORIUS, A.L.

49 

Bayesian Estimation in the Mixed Linear Model using Dirichlet Process Prior. Third International 

Workshop on objective Bayesian Methodology, 20 to 23 September 2000, Ixtapa, Mexico. 




DE BROUWER, C.H.M., CILLIERS, W.J., VERMAAK, L.M., VAN DER MERWE, H.J., 


Phosphorus Supplementation for Beef Cows in the Western Highveld. South African Journal of 

Animal Science 2000;30:43–52. 

BEIRLANT, J., DE WAAL, D.J., TEUGELS, J.L. 

A Multivariate Generalized Burr--Gamma Distribution. South African Statistical Journal 2000;34:111- 

133. 


On some approaches to hazard rate modelling. South African Statistical Journal 2000;34:93-109. 


A Nonparametric Bayesian Approach for Genetic Evaluation in Animal Breeding. South African 

Journal of Animal Science 2000;30(2):138–148. 

PRETORIUS, B., PEARCE, M.W., LITVINE, I.N. 

The possible effect of climate and altitude on home advantage and game performance of South African 

rugby teams. S.A. Journal for Research in Sport, Physical Education and Recreation 2000:22(2):37-48. 

VAN ZYL, J.M., NEUDECKER, H., NEL, D.G. 

On the distribution of the maximum likelihood estimator of Cronbach's Alpha. Psychometrika, 

2000;65(3);271–280. 



FINKELSTEIN, M.S., ZARUDNIJ, V.I. 

Once more on multiple availability. Gir. and Navigation, 29 30–36 (In Russian). 




Bayesian Techniques for Controlling the Mean of a Process in Statistical Process Control. Technical 

Report No. 284. 


Predicting tail quantiles and tail probabilities under specific models. Technical Report No. 283. 

FINKELSTEIN, M.S., ESSAOULOVA, V. 

Modelling a Failure Rate for a Mixture of Distribution Functions. Technical Report No. 279. 

FINKELSTEIN, M.S., ZARUDNIJ, V.I. 

A Shock Process with a Non–Cumulative Damage. Technical Report No. 280. 

FINKELSTEIN, M.S., ESSAOULOVA, V. 

Mixture Failure Rate: You can get what you want. Technical Report No. 281.


On terminating Poisson and Renewal Processes with Applications to Reliability and Safety Analysis. 

Technical Report No. 287. 


A Model of Aging and a Shape of the Observed Force of Mortality. Technical Report No. 288. 


On the Shape of the Mean Residual Lifetime Function. Technical Report No. 289. 


The Estimation of Switchpoints in Multi–path Linear Regression. Technical Report No. 278. 

GROENEWALD, P.C.N., SCHOEMAN, AC. 

Bayesian Estimation in Change-point Hazard Rate Models. Technical Report No. 282. 

VAN DER MERWE, A.J. 

Reference and Probability Matching Priors in the Case of Mixed Linear Model. Technical Report No. 

286. 

VAN DER MERWE, A.J., PRETORIUS, A.L. 

Bayesian Estimation in Animal Breeding using Dirichlet Process Prior. Technical Report No. 277. 


PRETORIUS, Albertus Lodewikus 

PARAMETRIC AND NONPARAMETRIC BAYESIAN STATISTICAL INFERENCE IN 

ANIMAL SCIENCE Promoter: Prof. A.J. van der Merwe 

SCHOEMAN, Anita Carina 

ASPECTS OF BAYESIAN CHANGE-POINT ANALYSIS. Promoter: Prof. P.C.N. Groenewald 

VAN BILJON, Anelize 

A BAYESIAN ANALYSIS USING HIERARCHICAL LOGIT MODELS ON MATHEMATICAL 

EDUCATION DATA ON SCHOOL LEVEL. Promoter: Prof. D.J. de Waal 

DEPARTMENT OF MATHEMATICS AND APPLIED MATHEMATICS 

DEPARTEMENT WISKUNDE EN TOEGEPASTE WISKUNDE 

Chairman of the Department/Departementele Voorsitter: Prof. D.M. Murray 

+27-(0)51-401-2912 

+27-(0)51-447-7980 

murraydm@sci.uovs.ac.za 


Meyer J.H. Prof. 

Murray D.M. Prof. 

Schoombie S.W. Prof. 

Viljoen, G. Prof. 



50

MEYER, J.H. 

The Beauty of Mathematics. 6 th National Conference of AMESA, University of the Free State, 

Bloemfontein RSA, July 2000. 

MEYER, J.H. 

The Jacobson radicals in matrix near-rings and group near-rings. The 7 th International Conference on 

Radicals, Innsbruck, Austria, August 2000. 

MURRAY, D.M. 

Approximation schemes in the evaluation of financial derivatives. 24 th Annual Conference 

SANUM2000, Stellenbosch, 3 - 5 April 2000. 

SCHOOMBIE, S.W. 

Playing the evolution game. 24 th Annual Conference SANUM2000, Stellenbosch, 3 - 5 April 2000. 




MAXSON, C.J., MEYER, J.H. 

Forcing Linearity Numbers. Journal of Algebra 2000;223:190-207. 



FUCHS, L., VILJOEN, G. 

Valuated Butler Groups of Special Type. Czechoslovak Mathematical Journal 1999; 49(124), 

Praha. 

DEPARTMENT OF MICROBIOLOGY AND BIOCHEMISTRY 

DEPARTEMENT MIKROBIOLOGIE EN BIOCHEMIE 

Departmental Chairman/Departementele Voorsitter : Prof. D. Litthauer 

+27-(0)51-401-2396 

+27(0)51-444-3219 

litthad.sci@mail.uovs.ac.za 


Albertyn, J. Dr. 

Botes, A.L. Dr. 

Botha, A. Dr. 

Bragg, R. Dr. 

Christov, L. Prof. 

Du Plessis, C.A. Dr. 

Du Preez, J.C. Prof. 

Hahn-Hägerdal, B. Prof. 

Kilian, S.G. Prof. 

Kock, J.L.F. Prof. 

Litthauer, D. Prof. 

Marasas, W.F.O. Prof. 

Nigam, S. Prof. 

Nthangeni, B. Mr/Mnr. 

51

Prior, B.A. Prof. 

Smit, M.S. Prof. 

Van Biljon, P.L. Dr. 

Van Heerden, E. Dr. 

Van Tonder, A. Dr. 

Viljoen, B.C. Prof. 

Wolfaardt, J.F. Dr. 



BOTHA, A., DU PREEZ, J.C. 

Mucor. In Encyclopedia of Food Microbiology, volume 2 (R.K. Robinson, C.A. Batt, P.D. Patel, eds.), 

Academic Press, San Diego, USA, 2000:1493-1500. 

VILJOEN, B.C., HEARD, G.M. 

Saccharomyces cerevisiae. In: Encyclopedia of Food Microbiology, volume 3 (R.K. Robinson, C.A. Batt, 

P.D. Patel, eds.), Academic Press, San Diego, USA, 2000:1918-1925. 



ALBERTYN, J., VAN ZYL, A.E., CARLISLE, E., VAN HEERDEN, E., BRAGG, R.R. 

Structure analysis of the plasmid encoding NAD-independent Haemophilus paragallinarum. Australian 

Society for Microbiology Congress in Cairns, Australia, July 2000. 

BISSOON, S., SINGH, S., CHRISTOV, L. 

Enzymatic pretreatment in bleaching of bagasse pulp. BioY2K Combined Millennium Meeting 2000, 

Workshop “Biotechnology in the Pulp and Paper Industry” in Grahamstown, South Africa, 23-28 

January 2000. 

BOTES, A.L., LOTTER, J., KRIEG, H., LITTHAUER, D., VAN DYK, M.S. 

Yeast epoxide hydrolases: versatile biocatalysts for the production of enantiopure epoxides. BioY2K 

SASBMB Meeting, Grahamstown, South Africa, 23–28 January 2000. 

BOTHA, A., POHL, C.H., KOCK, J.L.F., COETZEE, D.J., BOTES, P., SCHEWE, T., NIGAM, S. 

Exploring the life cycle of Mucor for the presence of oxylipins. International Symposium on Non- 

Mammalian Eicosanoids and other Bioactive Lipids in Berlin, 29-31 May 2000. 

BRAGG, R.R., CARLISLE, E., VAN ZYL, A.E., TAOLA, M., ALBERTYN, J. 

The effects of a natural acquisition of a gene in Haemophilus paragallinarum: A possible warning for GMO? 

Australian Society for Microbiology Congress in Cairns, Australia, July 2000. 

CHIPETA, Z., DU PREEZ, J.C., CHRISTOV, L. 

Evaluation of xylanase production by fungi grown on pulp mill effluents. Biotech SA 2000 Combined 

Millennium Meeting, Grahamstown, 23-28 January 2000. 

CHRISTOV, L. 

Potential of some hydrolysing and oxidative enzymes for pulp and paper production and modification. 

2000 Tappi Pulping/Process & Product Quality Conference in Boston, MA, USA, 5-8 November 

2000. 

DU PLESSIS, C.A., STRAUSS, J.M., RIEDEL, K-H.J. 

Quantification of BTEX substrate Interactions by Toluene Acclimatised Biofilter Consortium. 2000 

USC-TRG Conference on Biofiltration in California, USA, 19-20 October 2000. 

52

GREYLING, D., BOTES, P.J., RIEDEL, K-H.J., WOLFAARDT, F. 

Analysis of the microbial community structure in paper mill water systems. BioY2K 11th Biennial 

Congress of the South African Society for Microbiology, Grahamstown, 2000. 

GREYLING, D., HARRIS, C., RIEDEL, K-H.J., WOLFAARDT, F. 

Evaluation and application of new techniques to study microbial communities in paper mill water 

systems. African Pulp and Paper Week in Durban, South Africa, 2000. 

JANSEN VAN VUUREN, H., VAN ZYL, W.B., WOLFAARDT, J.F. 

The role of Phytophthora cinnamomi in root rot of Eucalyptus fraxinoides and its identification using 

molecular techniques. BioY2K 38th Annual Congress of the Southern African Society for Plant 

Pathology, Grahamstown, 2000. 

KANDIOLLER, G., CHRISTOV, L. 

Biobleaching of pulps with laccase-mediator systems. Tappsa 2000 Pulp and Paper Week “2000 and 

Beyond” in Durban, South Africa, 16-20 October 2000. 

KILIAN, S.G., KRITZINGER, M., DU PREEZ, J.C. 

Neokestose, a novel bifidogenic sugar. Biotech SA 2000 Combined Millennium Meeting, 

Grahamstown, 23-28 January, 2000. 

KOCK, J.L.F. 

Herbruikte olie [Re-used oil]. Sonneblom Kundigheidsforum/Sunflower Expertise Forum, Pretoria, 

20 Julie/July 2000. 

KOCK, J.L.F., SMITH, D.P., VAN WYK, P. NIGAM, S. 

The role of 3-hydroxy oxylipins in the life cycle of yeasts. International Symposium on Non- 

Mammalian Eicosanoids and other Bioactive Lipids in Berlin, 29-31 May 2000. 

MADLALA, A.M., BISSOON, S., SINGH, S., CHRISTOV, L. 

Application of xylanases in bleaching of different pulp types. Tappsa 2000 Pulp and Paper Week 

“2000 and Beyond”, Durban, South Africa, 16-20 October 2000. 

MARÉ, J.E., DU PREEZ, J.C., WAHLBOM, C.F., KILIAN, S.G. 

Xylanase production by recombinant strains of Saccharomyces cerevisiae in continuous culture: a 

comparative study. Biotech SA 2000 Combined Millennium Meeting, Grahamstown, 23-28 January 

2000. 

NIGAM, S., DEVA, R., CICCOLI, R.,KOCK, J.L.F., SCHEWE, T. 

Arachidonic acid metabolism and formation of oxylipins in Candida albicans: Pharmacological 

implications. International symposium on Non-Mammalian Eicosanoids and other Bioactive Lipids, 

Berlin, 29-31 May 2000. 

POHL, C.H., KOCK, J.L.F. 

Red Alert for the South African Oil Industry. National Conference on Environmental Health. South 

African Institute of Environmental Health, Durban, 2-4 August 2000. 

STRAUSS, J.M., RIEDEL, K-H.J., DU PLESSIS, C.A. 

Empirical Model for the Biofiltration of Toluene as a Function of Loading Rate, Retention Time and 

Bed Height. 2000 USC-TRG Conference on Biofiltration, California, USA, 19-20 October 2000. 

SZAKACS, G., BOGAR, B., SZENDEFY, J., CHRISTOV, L., TENGERDY, R. 

Production of α-amylase and xylanase by solid substrate fermentation. 2000 International Chemical 

Congress of Pacific Basin Societies, Honolulu, Hawaii, USA. 14-19 December 2000. 

53

SZENDEFY, J., SZAKACS, G., CHRISTOV, L. 

Production of xylanase with thermophilic fungi by solid substrate fermentation. 9th Hungarian 

Fermentation Conference, Debrecen, Hungary, 5-8 October 2000. 

TOH, H., HALLSWORTH, J.E., KILIAN, S.G., HOHMANN, S., PRIOR, B.A. 

Glycerol conservation in Saccharomyces cerevisiae is controlled by the FPS1p membrane channel. 

BioY2K Combined Millennium Meeting, Grahamstown, 23–28 January 2000. 

VAN DER MERWE, J.J., WOLFAARDT, J.F., DU PREEZ, J.C. 

Selection and cultivation of white-rot fungi for laccase production. Biotech SA 2000 Combined 

Millennium Meeting, Grahamstown, 23-28 January 2000. 

VAN RENSBURG, E., DU PREEZ, J.C., KILIAN, S.G. 

Factors influencing growth of and leukotoxin production by Pasteurella haemolytica. Biotech SA 2000 

Combined Millennium Meeting, Grahamstown, 23-28 January 2000. 

VAN WYK, P.W.J., KOCK, J.L.F., SMITH, D.P., VENTER, P., NIGAM, S. 

Electron microscopy of oxylipins in yeasts. International symposium on Non-Mammalian 

Eicosanoids and other Bioactive Lipids, Berlin, 29-31 May 2000. 

WOLFAARDT, F. 

Applications of biotechnology in the forest products industry. African Pulp and Paper Week in Durban, 

South Africa 2000. 

WOLFAARDT, F., TALJAARD, L., JACOBS, A., RABIE, C., MALE, J., SINGELS, A. 

Modelling of parameters for the kraft pulping of fungal treated softwood. Tappi Pulping Conference in 

Boston, USA 2000. 



ALBERTYN, J., LOMNICZI, B., MASHOPE, B.K., BRAGG, R.R. 

Molecular epidemiological survey of Newcastle Disease Virus in Southern Africa. Australian Society for 

Microbiology Congress, Cairns, Australia July 2000. 

BAR, M., KILIAN, SG., LITTHAUER, D. 

Substrate specificity of the fructosyl transferase activity of Phaffia rhodozyma. BioY2K Combined 

Millennium Meeting, Grahamstown, 23–28 January 2000. 

BAREETSENG, A.S., KOCK, J.L.F., CHRISTOV, L., COETZEE, D.J. 

Tall oil utilization by fungi in the presence of acetate. BioY2K Combined Millennium meeting. 

Workshop “Biotechnology in the Pulp and Paper Industry”, Grahamstown, 23–28 January 2000. 

BEUKES, T., BOTES, A.L., PATTERTON, H-G., VAN DYK, M.S. 

A PCR based search for epoxide hydrolase genes in yeasts. BioY2K SASBMB Meeting, Grahamstown, 

South Africa, 23–28 January 2000. 

BOTES, A.L., BOTES, P.J., VAN DYK, M.S. 

Formation of Mono-THF Diols from Linoleic Acid Diepoxide by Resting Yeast Cells. International 

Symposium on Non-Mammalian Eicosanoids and Bioactive Lipids, Berlin, Germany, 29–31 May 2000. 

CASALEGGIO, C.J.W., ALBERTYN, J., KILIAN, S.G., PRIOR, B.A. 

54

55 

Molecular analysis of glycerol production by the highly osmo-tolerant yeast Zygosaccharomyces rouxii 

during hyper-osmotic stress. BioY2K Combined Millennium Meeting, Grahamstown, 23–28 January 

2000. 

DEVA, R., CICCOLI, R., SMITH, D.P., KOCK, J.L.F., SCHEWE, T., NIGAM, S. 

Metabolism of arachidonic acid and formation of 3,18 diHETE in Candida albicans. International 

Symposium on Non-Mammalian Eicosanoids and other Bioactive Lipids. Berlin, 29-31 May 2000. 

DEVA, R.. CICCOLI, R., LEO-ROSSBERG, I., SMITH, D.P., KOCK, J.L.F., SCHEWE, T., 

NIGAM, S. 

Aspirin sensitive oxylipins in Candida albicans. Implications for treatment of vulvovaginal candidiasis. 

International Symposium on Non-Mammalian Eicosanoids and other Bioactive Lipids. Berlin, 29-31 

May 2000. 

DE JAGER, P., VILJOEN, B.C. 

The incidence and growth of yeasts associated with blue cheese. BioY2K Combined Millennium Meeting. 

Grahamstown, 23-28 January 2000. 

DU PREEZ, J.C., DE KOCK, S.H., KILIAN, S.G. 

The effect of inositol on membrane transport kinetics and glucose uptake by Saccharomyces cerevisiae 

strains in aerobic chemostat cultures. 11 th International Biotechnology Symposium, Berlin, 3-8 


DU PREEZ, J.C., MARÉ, J.E., ALBERTYN, J. 

Ethanol causes transcriptional repression of ADH2-regulated β-xylanase production in recombinant 

strains of Saccharomyces cerevisiae. 10 th International Symposium on Yeasts, Papendal, Arnhem, 27 

August – 1 September 2000. 

DE JAGER, P., VILJOEN, B.C. 

The incidence and growth of yeasts associated with blue cheese. SASDT- 33nd SASDT Annual general 

Meeting and Symposium, Pietersburg. 2000. 

FERREIRA, A., LOURENS, A., VILJOEN, B.C. 

The inclusion of a yeast as part of the starter culture during the production of mature cheddar cheese. 

SASDT- 33nd SASDT Annual general Meeting and Symposium, Pietersburg. 2000 

FERREIRA, A., LOURENS, A., VILJOEN, B.C. 

The inclusion of a yeast as part of the starter culture during the production of mature cheddar cheese. 

BioY2K Combined Millennium Meeting. Grahamstown, 23-28 January 2000. 

HARVIG, D., FREJD, T., HAHN-HÄGERDAHL, B., VAN DYK, M.S. 

Reduction of bicyclo[2.2.2]octane-2,6-dione by whole yeast cells. BioY2K SASBMB Meeting, 

Grahamstown, South Africa, 23–28 January 2000. 

IKALAFENG, B., LAING, E., VILJOEN, B.C. 

Yeasts associated with yoghurt. SASDT- 33nd SASDT Annual General Meeting and Symposium, 

Pietersburg. 2000 

IKALAFENG, B., LAING, E., VILJOEN, B.C. 

Incidence and growth of yeasts in yoghurt. BioY2K Combined Millennium Meeting. Grahamstown, 

23-28 January 2000. 

KANDIOLLER, G., MESSNER, K., CHRISTOV, L.

56 

Comparison of kappa number and brightness change of different pulp types pretreated with laccasemediator 

systems. BioY2K Combined Millennium Meeting 2000, Workshop “Biotechnology in the 

Pulp and Paper Industry”, Grahamstown, South Africa, 23-28 January 2000. 

KNOX, A.M., DU PREEZ, J.C., KILIAN, S.G. 

Starch fermentation by recombinant strains of Saccharomyces cerevisiae. Biotech SA 2000. Combined 

Millennium Meeting. Grahamstown, 23-28 January 2000. 

KRIEG, H.M., BREYTENBACH, J.C., BOTES, A.L., VAN DYK, M.S., KEIZER, K. 

Enantioselective biocatalysed production of optically pure 1,2-octanediol by a membrane reactor. 7 th 

Frank Warren Conference on Organic Chemistry “Recent advances in fundamental and applied 

organic chemistry”, Aventura Spa, Warmbaths, R.S.A. 16–19 th January 2000. 

LAUBSCHER, P.J., VILJOEN, B.C. 

The interaction between yeasts and bacteria during the manufacturing of mature cheddar cheeses. 

SASDT- 33nd SASDT Annual general Meeting and Symposium, Pietersburg. 2000 

LAUBSCHER, P.J., VILJOEN, B.C. 

The interaction between yeasts and bacteria during the manufacturing of mature cheddar cheeses. 

BioY2K Combined Millennium Meeting. Grahamstown, 23-28 January 2000. 

LAUBSCHER, W.D.F., VILJOEN, B.C. 

The survival of yeasts in a South African poultry processing plant. BioY2K Combined Millennium 

Meeting. Grahamstown, 23-28 January 2000. 

LEKEKISO, D.J., KOCK, J.L.F., COETZEE, D.J., BOTES, P.J., PRETORIUS, E., NIGAM, S. 

The distribution of palmitoleic acid in the phospholipid fraction of yeasts representing the 

Lipomycetaceae. BioY2K Combined Millennium meeting. Grahamstown, 23–28 January 2000. 

LOTTER, J., BREYTENBACH, J.C., BOTES, A.L., VAN DYK, M.S. 

Epoxide hydrolases for the production of enantiomerically enriched drug intermediates. 21 st Annual 

conference of The Academy of Pharmaceutical Sciences. Rhodes University, Grahamstown, R.S.A. 

10–13 September 2000. 


Enzymatic kinetic resolution of (2,3-epoxypropyl)benzene and phenylpropylene oxide. 35 th 

Convention of the South African Chemical Institute. Potchefstroom University for Christian Higher 

Education, Potchefstroom, R.S.A. 


Resolution of chiral epoxides by epoxide hydrolases. 7 th Frank Warren Conference on Organic 

Chemistry “Recent advances in fundamental and applied organic chemistry”, Aventura Spa, 

Warmbaths, R.S.A. 16–19 January 2000. 

LOURENS, A., VILJOEN, B.C., JOOSTE, P.J. 

The application of yeasts as probiotic micro-organisms in commercial bioyoghurt. SASDT- 33nd 

SASDT Annual general Meeting and Symposium, Pietersburg. 2000. 

LORETAN, T., MOSTERT, J.F., VILJOEN, B.C. 

Interactions and fermentation characteristics of yeasts from traditional South African fermented milk. 

SASDT- 33nd SASDT Annual general Meeting and Symposium, Pietersburg. 2000. 

LORETAN, T., MOSTERT, J.F., VILJOEN, B.C. 

Interactions and fermentation characteristics of yeasts from traditional South African fermented milk. 

BioY2K Combined Millennium Meeting. Grahamstown, 23-28 January 2000.


The application of yeasts as probiotic micro-organisms in commercial bioyoghurt. BioY2K Combined 


MADLALA, A.M., SINGH, S., CHRISTOV, L. 

Biobleaching effects of Thermomyces lanuginosus xylanase on paper pulps. BioY2K Combined Millennium 

Meeting 2000, Workshop “Biotechnology in the Pulp and Paper Industry”, Grahamstown, South 

Africa, 23-28 January 2000. 

MASHOPE, B.K., LOMNICZI, B., BARNARD, T.G., VAN HEERDEN, E., BRAGG, R.R., 

ALBERTYN, J. 

An epidemiological survey of Newcastle Disease virus in South Africa. BioY2K congress. Grahamstown, 

January 2000. 

MATATIELE, P.R., VAN TONDER, A., BOTES, A.L., VAN DYK, M.S. 

Purification of a fatty alcohol oxidase from Candida tropicalis. BioY2K SASBMB Meeting, 

Grahamstown, South Africa, 23–28 January 2000. 

MORAKILE, G., PRETORIUS, E.E., POHL, C.H., KOCK, J.L.F. 

Comparison of preservation methods for maintenance of brewing inocula. BioY2K Combined 

Millenium Meeting, Grahamstown, 23-28 January 2000. 

MUZARIRI, C.C., DU PREEZ, J.C., CHRISTOV, L. 

The screening and isolation of potentially thermostable cellulase-free xylan consuming bacteria and 

fungi from alkaline hot springs of Zimbabwe. Biotech SA 2000. Combined Millennium Meeting. 

Grahamstown, 23-28 January 2000. 

NEL, S., VAN HEERDEN, E., LITTHAUER, D. 

An investigation into the stability of the pure lipase from Aspergillus niger. BioY2K Combined 

Millennium Meeting, Grahamstown, South Africa. 24-28 January 2000 

NTHANGENI, M.B., PATTERTON, H-G., LITTHAUER, D. 

Over-expression, purification and properties of recombinant lipases from Bacillus species. BioY2K 

Combined Millennium Meeting. Grahamstown, 23-28 January 2000. 

PAULSE, E., GREYLING, J. VAN HEERDEN, E., ALBERTYN, J., BRAGG, R.R. 

Serological characterisation of Haemophilus paragallinarum from South America. BioY2K Congress. 

Grahamstown, January 2000. 

PELESANE, T.R., KOCK, J.L.F., COETZEE, D.J. 

The quality of used frying fat in South Africa and its biotransformation to high value lipids. BioY2K 

Combined Millennium Meeting. Grahamstown, 23–28 January 2000. 

ROUX, M.P., KOCK, J.L.F., NIGAM, S. 

PI-3-kinase pathway is stimulated by fungal oil containing gamma- linolenic acid and cocoa butter 

equivalents in fMLP- and PMA- challenged human neutrophils. International Symposium on Non- 

Mammalian Eicosanoids and other Bioactive Lipids. Berlin, 29-31 May 2000. 

SCHREUDER, H., VILJOEN, B.C., VON HOLY, A., COX, J. 

Microbial contamination associated with the caecum, liver and environmental samples of briolers on a 

chicken farm. BioY2K Combined Millennium Meeting. Grahamstown, 23-28 January 2000. 



57

58 

Ascospore aggregation and oxylipin distribution in the yeast Dipodascopsis tothii. International 

Symposium on Non-Mammalian Eicosanoids and other Bioactive Lipids. Berlin, 29-31 May 2000. 



Ascospore aggregation and oxylipin distribution in the yeast Dipodascopsis tothii. BioY2K Combined 

Millennium Meeting. Grahamstown, 23–28 January 2000. 

STRAUSS, T., BOTHA, A. KOCK, J.L.F., PAUL, I., SMITH, D.P., LINKE, D., SCHEWE, T., 

NIGAM, S. 

Mapping the distribution of 3-hydroxy oxylipins in the Mucorales using immunofluorescence 

microscopy. International Symposium on Non-Mammalian Eicosanoids and other Bioactive Lipids. 

Berlin, 29-31 May 2000. 

STRAUSS, T., BOTHA, A., KOCK, J.L.F., NIGAM, S., PAUL, I., SMITH, D.P. 

Mapping the distribution of 3-OH oxylipins in the Mucorales. BioY2K Combined Millennium 

Meeting. Grahamstown, 23–28 January 2000. 

TAOLE, M., VAN HEERDEN, E., ALBERTYN, J., BRAGG, R.R. 

The effects of NAD-independence on the virulence of Haemophilus paragallinarum. BioY2K Combined 

Congress. Grahamstown, 23-28 January 2000. 

VAN DRIESSEL, B., DU PLESSIS, C.A., CHRISTOV, L. 

Decolourisation of bleach plant effluent using immobilised fungi in rotating biological contactor 

reactors. BioY2K Combined Millennium Meeting 2000, Workshop “Biotechnology in the Pulp and 

Paper Industry”, Grahamstown, South Africa, 23-28 January 2000. 

VAN ZYL, A.E., CARLISLE, E., VAN HEERDEN, E., BRAGG, R.R., ALBERTYN, J. 

Structural analysis of the plasmid encoding NAD independence in Haemophilus paragallinarum. BioY2K 

Congress. Grahamstown, 23-28 January 2000. 

VILJOEN, B.C. 

Interaction between yeasts and bacteria in “restricted” dairy environments. BioY2K Combined 


WOLFAARDT, J.F., RABIE, C., WINGFIELD, M. 

Application of fungi and fungal products in biopulping. Part II: Biopulping of non-wood fibre. 

Tappsa J: 17-19 January 2000. 

WOLFAARDT, J.F., TALJAARD, J.L., JACOBS, A., RABIE, C.J., MALE, J.R., SINGELS, A. 

Kraft pulping of pine wood, pretreated with a strain of Stereum hirsutum. Proceedings of Biotech SA 

2000. Grahamstown 2000. 




CHRISTOV, L., BIELY, P., KALOGERIS, E., CHRISTAKOPOULOS, P., PRIOR, B.A., BHAT, M.K. 

Effects of purified endo-ß-1,4-xylanases of family 10 and 11 and acetyl xylan esterases on eucalypt sulfite 

dissolving pulp. Journal of Biotechnology 2000;83:231-244. 

DE KOCK, S.H., DU PREEZ, J.C., KILIAN, S.G. 

The effect of vitamins and amino acids on glucose uptake in aerobic chemostat cultures of three 

Saccharomyces cerevisiae strains. Systematic and Applied Microbiology 2000;23:41-46.

59 

DEVA, R., COCCOLI, R., SCHEWE, T., KOCK, J.L.F., NIGAM, S. 

Arachidonic acid stimulates cell growth and forms a novel oxygenated metabolite in Candida albicans. 

Biochimica et Biophysica Acta 2000;486:299-311. 

DU PREEZ, J.C., DE KOCK, S.H., KILIAN, S.G., LITTHAUER, D. 

The relationship between transport kinetics and glucose uptake by Saccharomyces cerevisiae in aerobic 

chemostat cultures. Antonie van Leeuwenhoek 2000;77:379-388. 

KOCK, J.L.F., VENTER, P., SMITH, D.P., VAN WYK, P.W.J., BOTES, P.J., COETZEE, D.J., 

POHL, C.H., BOTHA, A., RIEDEL, K-H., NIGAM, S. 

A novel oxylipin-associated “ghosting” phenomenon in yeast flocculation. Antonie van Leeuwenhoek 

2000;77:401-406. 

OSEI-ABUNYEWA, A., HUGO, A., LAING, E., VILJOEN, B.C. 

The population change of yeasts in commercial salami. Food Microbiology 2000;17:429-438. 

SINGH, S., DU PREEZ, J.C., PILLAY, B., PRIOR, B.A. 

The production of hemicellulases by Thermomyces lanuginosus strain SSBP: influence of agitation and 

dissolved oxygen tension. Applied Microbiology and Biotechnology 2000;54:698-704. 

SINGH, S., PILLAY, B., PRIOR, B.A. 

Thermal stability of β-xylanases produced by different Thermomyces lanuginosus strains. Enzyme and 

Microbial Technology 2000;26:502-508. 



Ascospore aggregation and oxylipin distribution in the yeast Dipodascopsis tóthii. Antonie van 

Leeuwenhoek 2000;77:389-392. 

SMITH, D.P., KOCK, J.L.F., VAN WYK, P.W.J., VENTER, P., COETZEE, D.J., VAN 

HEERDEN, E., LINKE, D., NIGAM, S. 

The occurrence of 3-hydroxy oxylipins in the ascomycetous yeast family Lipomycetaceae. South 

African Journal of Science 2000;96:247-249. 

STRAUSS, J.M., DU PLESSIS, C.A., RIEDEL, K-H.J. 

Empirical Model for Biofiltration of Toluene. Journal of Environmental Engineering 2000;126:644- 

448. 

STRAUSS, T., BOTHA, A., KOCK, J.L.F., PAUL, I., LINKE, D., SCHEWE, T., NIGAM, S. 

Mapping the distribution of 3-hydroxy oxylipins in the Mucorales using immunofluorescence 

microscopy. Antonie van Leeuwenhoek 2000;78:39-42. 

STRAUSS, T., BOTHA, A., MOSTERT, T., KOCK, J.L.F., DU PREEZ, P.J., GREYLING, D. 

Development and testing of selective media for mucoralean fungi. South African Journal of Science 

2000;96:579-602. 



DE KOCK, S.H., DU PREEZ, J.C., KILIAN, S.G. 

Anomalies in the growth kinetics of Saccharomyces cerevisiae strains in aerobic chemostat cultures. Journal 

of Industrial Microbiology and Biotechnology 2000;24:231-236. 

LAUBSCHER, W.D.F., VILJOEN, B.C., ALBERTYN, J.

60 

The yeast flora occurring in the tracheas of broiler chicken. Food Technology and Biotechnology 

2000;38:77-80. 


Levels of probiotic bacteria in South African commercial bio-yoghurt. Food Review 2000;27:31-33. 

VILJOEN, B.C., LAING, E., WOLTER, H. 

Isolation and identification of yeasts associated with intermediate meats. Food Technology and 

Biotechnology 2000;38:69-75. 



VILJOEN, B.C. 

Member of the Editorial Committee: International Journal of Food Microbiology 


ANELICH, Lucia Elena Carla Maria 

THE ABUSE OF FOOD OILS AND THE BIOTRANSFORMATION OF THESE OILS TO 

HIGH VALUE LIPIDS UTILISING FUNGI. Promoter: Prof. J.L.F. Kock Co-supervisor: Dr. A. 

Botha 

HATTINGH, Analie 

EVALUATION OF THE GROWTH AND SURVIVAL OF PROBIOTIC MICRO-ORGANISMS 

IN COMMERCIAL BIO-YOGURT Promoter: Prof. B.C. Viljoen Co-promoter: Prof. P.J. Jooste 

KAYINGO, Gerald 

RESPONSES OF YEAST TO HYPO-OSMOTIC STRESS. Promoter: Prof. B.A. Prior Copromoters: 

Prof. S.G. Kilian Prof. S. Hohmann 

STRAUSS, Tersia 

LIPIDS AS TAXONOMIC MARKERS FOR THE MUCORALES PRESENT IN SOIL. Promotor: 

Dr A. Botha Co-promoter: Prof. J.L.F. Kock 


BAREETSENG, Andries Sechaba 

THE UTILISATION OF USED AND OTHER FATS BY FUNGI. Cum laude. Supervisor: Prof. 

J.L.F. Kock Co-supervisors: Dr D.J. Coetzee Prof. L.P. Christov 

CRONJE, Marlise 

CARBOHYDRATE COMPOSITION AND ENZYMATIC. HYDROLYSIS OF SULPHITE 

PULP. Supervisor: Prof. L.P. Christov Co-supervisor: Dr P.L. Van Biljon 

DRENNAN, Michael Bertram 

DIFFERENTIAL TRANSCRIPTION OF CYP52 GENES OF YARROWIA LIPOLYTICA 

DURING GROWTH ON HYDROCARBONS. Cum laude. Supervisor: Prof. M.S. Smit Cosupervisor: 

Dr H.-G. Patterton 

GREYLING, Dorothea 

ANALYSIS OF THE MICROBIAL COMMUNITY STRUCTURE AND FUNCTION IN A PAPER 

MILL WATER SYSTEM. Cum laude. Supervisor: Dr K.-H.J. Riedel Co-supervisor: Dr J.F. Wolfaardt 

LAUBSCHER, Willem Diederik Froneman

61 

DIE VOORKOMS VAN GISTE TYDENS HOENDER-PRODUKSIE [The incidence of 

yeast’s during chicken production]. Studieleier/Supervisor: Prof. B.C. Viljoen 

MATATIELE, Puleng Rose 

FATTY ALCOHOL EXODASES INVOLVED IN ALKANE DEGRADATION BY YEASTS. 

Supervisor: Prof. I.S. Smit Co-Supervisor: Dr A. Van Tonder 

DEPARTMENT OF PHYSICS 

DEPARTEMENT FISIKA 

Head of Department/Departementshoof: Prof. G.L.P. Berning 

+27-(0)51-401-2974 

+27-(0)51-401-3507 

berningg@sci.uovs.ac.za 


Berning, G.L.P. Prof. 

Conradie, R. Miss/Mej. 

Du Plessis, J. Prof. 

Greeff, A.P. Mr/Mnr. 

Hillie, K.T. Mr/Mnr. 

Hoffman, M.J.H. Dr. 

Maritz, M.F. Dr. 

Meintjes, P.J. Dr. 

Roos, W.D. Dr. 

Swart, H.C. Prof. 

Terblans, J.J. Mr/Mnr. 

Viljoen, E.C. Dr. 

Wakaba, L.V. Mr/Mnr. 



ABRAMS, B.L., ROOS, W.D., WILLIAMS, L.C., HOLLOWAY, P.H. 

Temperature dependence of Cathodoluminscent Degradation of ZnS Phosphors. 47 th International 

Symposium of AVS, Boston, Massachusetts, USA, 2000. 

ABRAMS, B.L., ROOS, W.D., WILLIAMS, L.C., HOLLOWAY, P.H. 

Temperature dependence of Cathodoluminscent Degradation of ZnS Phosphors. 6 th International 

Conference on Science and Technology of Display Phosphors, San Diego, California, USA, 2000. 

ASANTE, J.K.O., ROOS, W.D., MARITZ M.F. 

Extracting Auger yield contributions from the combined peak to peak height of overlapping peaks 

using only the spectra of the standards. Asia-Pacific Surface and Interface Analysis Conference 2000, 

Beijing, China, 2000. 

ASANTE, J.K.O., ROOS, W.D., MARITZ, M.F. 

Extracting Auger yield contributions from the combined peak to peak height of overlapping peaks 

using only the spectra of the standards. 45th Annual Conference of the South African Institute of 

Physics, Rand Afrikaans University, Johannesburg, 2000. 

ASANTE, J.K.O., ROOS, W.D., DU PLESSIS, J., TERBLANS, J.J.

62 

Co-segregation in a Cu(111), Sn, Sb ternary single crystal. Asia-Pacific Surface and Interface Analysis 

Conference 2000, Beijing, China, 2000. 

ASANTE, J.K.O., ROOS, W.D., DU PLESSIS, J., TERBLANS, J.J. 

Co-segregation in a Cu(111), Sn, Sb ternary single crystal. 45th Annual Conference of the South 

African Institute of Physics, Rand Afrikaans University, Johannesburg, 2000. 

BERNING, G.L.P., THERON, C.C., SWART., H.C. 

An AES/RBS study of the reaction of Tb and Dy with oxygen and SiO2. Symposium on Growth and 

Stability of Thin Transition Metal and Rare-earth silicide layers, Leuven, Belgium, 2000. 

GREEFF, A.P., SWART, H.C. 

A Monte Carlo simulation of cathodoluminescence generated in ZnS phosphor powders. 14th 

International Conference on Defects in Insulating Materials, Johannesburg, South Africa, 2000. 


A Monte Carlo simulation on the electron trajectories and energy loss in ZnS. 45th Annual Conference 

of the South African Institute of Physics, Rand Afrikaans University, Johannesburg, 2000. 


A Monte Carlo simulation of the effect of a ZnO layer on the Cathodoluminescence of a FED 

phosphor. 45th Annual Conference of the South African Institute of Physics, Rand Afrikaans 

University, Johannesburg, 2000. 


A Monte Carlo simulation on the electron beam incident angle with spherical particles applied to the 

energy loss in ZnS phosphor powders. 45th Annual Conference of the South African Institute of 

Physics, Rand Afrikaans University, Johannesburg, 2000. 

HILLIE, K.T., ROOS, W.D., SWART., H.C. 

On the degradation of ZnS:Cu,Al,Au phosphor powder: The effects of temperature. 14th International 

Conference on Defects in Insulating Materials, Johannesburg, South Africa, 2000. 

HILLIE, K.T., CURREN, C., SWART, H.C. 

ZnS thin films grown on Si(100) by XeCl pulsed laser ablation. 45th Annual Conference of the South 

African Institute of Physics, Rand Afrikaans University, Johannesburg, 2000. 

HOFFMAN, M.J.H. 

A density matrix based approach towards linear scaling electronic structure modelling of materials. 

Fourth Annual Materials Modelling Meeting, University of the North, 2000. 

HOFFMAN, M.J.H., MEINTJES, P.J. 

The Proposed UFS-Boyden Science Education Centre. 3rd Annual Conference of the Southern 

African Association of Science and Technology Centres, University of Pretoria, Pretoria, 2000. 

HOLLOWAY, P.H., ROOS, W.D., ABRAMS, B.L., THOMES, J. 

Effects of Vacuum Partial Pressures on Electron Stimulated Surface Chemical Reactions on Coated 

and Uncoated Cathodoluminescent Phosphors, Symposium: Electron-Emissive Materials and Vacuum 

Microelectronics, San Francisco, California, USA, 2000. 

SWART, H.C., HILLIE, K.T., GREEFF., A.P. 

The effect of temperature on the degradation of ZnS FED phosphors. Asia-Pacific Surface and 

Interface Analysis Conference 2000, Beijing, China, 2000. 

SWART, H.C., HILLIE, K.T., GREEFF, A.P.

63 

The effect of temperature on the degradation of ZnS FED phosphors. 45th Annual Conference of 

the South African Institute of Physics, Rand Afrikaans University, Johannesburg, 2000. 

SWART, H.C., GREEFF, A.P. 

A Monte Carlo Simulation of the effect of a ZnO layer on the Cathodoluminescence of a FED 

phosphor. Asia-Pacific Surface and Interface Analysis Conference 2000, Beijing, China, 2000. 

TERBLANS, J.J., VAN WYK, G.N. 

The reduction of computing time with multiprocessing. 45th Annual Conference of the South African 

Institute of Physics, Rand Afrikaans University, Johannesburg, 2000. 


The accurate measurement of surface temperature. 45th Annual Conference of the South African 



The effect of surface energy on surface segregation. 45th Annual Conference of the South African 



Vacancy formation energy causing orientation dependence of surface segregation kinetics. 14th 

International Conference on Defects in Insulating Materials, Johannesburg, South Africa, 2000. 

VILJOEN, E.C., JORDAAN, W.A., DU PLESSIS., J. 

On the determination of ternary segregation parameters. 8 th Joint Vacuum Conference, Pula, Croatia, 

2000. 

VILJOEN, E.C., JORDAAN, W.A., DU PLESSIS, J. 

Determining the segregation parameters in a Fe3.5wt%Mo-N single crystal. 45th Annual Conference 

of the South African Institute of Physics, Rand Afrikaans University, Johannesburg, 2000. 

WAKABA, L.V., MARITZ, M.F., GREYLING, C.J., SWART, H.C. 

Computational Modelling of thermal stress in industrial steel coils. 45th Annual Conference of the 

South African Institute of Physics, Rand Afrikaans University, Johannesburg, 2000. 

WILLIAMS, L.C., ABRAMS, B.L., ROOS, W.D., HOLLOWAY, P.H. 

Cathodluminescence from Thin Film versus Powder Phosphors. 47 th International Symposium of 

AVS, Boston, Massachusetts, USA, 2000. 




ABRAMS, B.L., ROOS, W.D., HOLLOWAY, P.H., SWART, H.C. 

Electron beam induced degradation of zinc sulfide-based phosphors. Surface Science 2000;451:174- 

181. 

BERNING, G.L.P., THERON, C.C., SWART, H.C. 

A real-time RBS study of the reaction of Tb and Dy with SiO2. Applied Surface Science 2000;157:129- 

134. 

GREEFF, A.P., LOUW, C.W., SWART, H.C. 

The high temperature oxidation of industrial FeCrMo steel. Surface and Interface Analysis 

2000;30:120-123.

GREEFF, A.P., LOUW, C.W., SWART, H.C. 

The oxidation of industrial FeCrMo steel. Corrosion Science 2000;42(10):1725-1740. 

GREEFF, A.P., SWART, H.C., LOUW, C.W., TERBLANS, J.J. 

The influence of sulphur segregation on the oxidation of industrial FeCrMo steel. Corrosion Science 

2000;42:991-1004. 

GREEFF, A.P. , SWART, H.C. 

A Monte Carlo simulation on the electron beam incident angle with spherical particles applied to the 

energy loss in ZnS phosphor powders. Surface and Interface Analysis 2000;29(12):807-17. 

HANDLER, G., ARENTOFT, T., SHOBBROOK, R.R., WOOD, M.A., CRAUSE, L.A., CRAKE, 

P., PODMORE, F., HABANYAMA, A., OSWALT, T., BIRCH, P.V., LOWE, G., STERKEN, C., 

MEINTJES, P., BRINK, J., CLAVER, C.F., MEDUPE, R., GUZIK, J.A., BEACH, T.E., 

MARTINEZ, P., LEIBOWITZ, E.M., IBBETSON, P.A., SMITH, T., ASHOKA, B.N., RAJ, N.E., 

KURTZ, D.W., BALONA, L.A., O'CONOGHUE, D., COSTA, J.E.S., BREGER., M. 

Delta Scuti Network observations of XX Pyx: detection of 22 pulsation modes and of short-term 

amplitude and frequency variations. Monthly Notices of the Royal Astronomical Society 

2000;318:511-525. 

MEINTJES, P.J., DE JAGER, O.C. 

Propeller spin down and the non-thermal emission from AE Aquarii. Monthly Notices of the Royal 

Astronomical Society 2000;311:611-620. 

SWART, H.C., HILLIE, K.T. 

Degradation of ZnS FED Phosphors. Surface and Interface Analysis 2000;30:383-386. 

VILJOEN, E.C., DU PLESSIS, J. 

Surface segregation measurements via the linear programmed heating method: Part B - Experiment 

and Results. Surface Science 2000;468:27-36. 


MOSTERT, Jacob Cornelis 

‘N ISS STUDIE VAN DIE (110)-, (111)- EN (100)-ENKELKRISTALVLAKKE VAN NiAl [An 

ISS study of the (110), (111)and (100) single-crystal levels of NiAI]. Promotor/Promoter: Prof. G.N. 

van Wyk Medepromotor/Co-promotor: Dr W.D. Roos 


ASANTE, Joseph Kwaku Ofori 

THE DETERMINATION OF TERNARY SEGREGATION PARAMETERS USING A LINEAR 

HEATING METHOD. Cum laude. Supervisor: Dr W.D. Roos Co-supervisor: Prof. J. Du Plessis 

DEPARTMENT OF PLANT BREEDING 

DEPARTEMENT PLANTETEELT 

Head of Department/Departementshoof: Prof. C.S. van Deventer 

+27-(0)51-401-2378 

+27 (0)51-430-5692 

vdevencs@sci.uovs.ac.za 

Authors in the Department/Outeurs verbonde aan die Departement: 

64

Labuschagne, M.T. Prof. 

Maartens, H., Dr. 

van Deventer, C.S. Prof. 



MAARTENS, H., LABUSCHAGNE, M.T. 

Low molecular weight glutenin subunit composition and genetic distances of South African wheat 

cultivars. In: Wheat Gluten. P.R. Shewry and A.S. Tatham (eds.). The Royal Society of Chemistry, 

Cambridge, UK. 2000;43-46. 


A new LMW-GS nomenclature for South African wheat cultivars. In: Wheat Gluten. P.R. Shewry and 

A.S. Tatham (eds.). The Royal Society of Chemistry, Cambridge, UK. 2000;47-50. 

TAREKEGNE, A., LABUSCHAGNE, M.T., MAARTENS, H. 

Identification of Ethiopian wheat cultivars by storage protein electrophoresis. In: CIMMYT (Eds.). 

11 th Regional Wheat Workshop for Eastern, Central and Southern Africa. 2000;49-59. 

TAREKEGNE, A., BENNIE A.T. P., LABUSCHAGNE, M.T. 

Effect of waterlogging on the concentration and uptake of selected nutrients by wheat genotypes 

differing in tolerance. In: CIMMYT (Eds.). 11 th Regional Wheat Workshop for Eastern, Central and 

Southern Africa. 2000;253-263. 

TADESSE DESSALEG,.N, BEDADA GIRMA, T. PAYNE,C.S. VAN DEVENTER, M.T. 

LABUSCHAGNE 

Sources of variation for grain yield performance of bread wheat in North-western Ethiopia In: 

CIMMYT (Eds.). 11 th Regional Wheat Workshop for Eastern, Central and Southern Africa. 2000;16- 

24. 



BARNARD, A.D., LABUSCHAGNE, M.T. 

Identification of genetic variation in bread wheat quality characteristics in the Western Cape. Second 

Plant Breeding Symposium of the Southern African Plant Breeders Symposium. Harare (Zimbabwe) 

13-16 March 2000. 

LABUSCHAGNE, M.T., GROBBELAAR, B., PRETORIUS, Z.A. 

The influence of leaf rust resistance genes Lr29, Lr34, Lr35 and Lr37 on breadmaking quality of wheat. 

Second Plant Breeding Symposium of the Southern African Plant Breeders Symposium. Harare 

(Zimbabwe) 13-16 March 2000. 


Low molecular weight glutenin subunit composition and genetic distances of South African wheat 

cultivars. Gluten 2000 workshop. Bristol, 2-6 April 2000. 


A new LMW-GS nomenclature for South African wheat cultivars. Gluten 2000 workshop. Bristol, 2-6 

April 2000. 

TAREKEGNE, A., LABUSCHAGNE, M.T., MAARTENS, H. 

Identification of Ethiopian wheat cultivars by storage protein electrophoresis. 11 th Regional Wheat 

Workshop for Eastern, Central and Southern Africa. 18-22 September, 2000, Addis Ababa, Ethiopia. 

65

TAREKEGNE, A., BENNIE A.T.P., LABUSCHAGNE, M.T. 

Effect of waterlogging on the concentration and uptake of selected nutrients by wheat genotypes 

differing in tolerance. 11 th Regional Wheat Workshop for Eastern, Central and Southern Africa. 18-22 

September, 2000, Addis Ababa, Ethiopia. 

TADESSE DESSALEG, N., BEDADA G., PAYNE T., VAN DEVENTER, C.S., 

LABUSCHAGNE, M.T. 

Sources of Variation for grain Yield Performance of Bread Wheat in Northwestern Ethiopia. 11 th 

Regional Wheat Workshop for Eastern, Central and Southern Africa. 18-22 September, 2000, Addis 

Ababa, Ethiopia. 




DE LANGE, A., LABUSCHAGNE, M. 

Multivariate assessment of canning quality, chemical characteristics and yield of small white canning 

beans (phaseolus vulgaris L). South Africa Journal of the Science of Food and Agriculture 2000;81:30- 

35. 

LABUSCHAGNE, M.T., DE SWARDT, A.M., VILJOEN, C.D. 

Genetic relationships between South African wheat cultivars as measured by gliadin banding patterns. 

Plant Breeding/Zeitschrift für Pflanzenzüchtung 2000;119:280-282. 

LABUSCHAGNE, M.T., VAN VUUREN, A. 

The inheritance and expression of grain texture in wheat, as measured by a microtome procedure. 

Euphytica 2000;122:261-265. 

GWANAMA, C., LABUSCHAGNE, M.T., OBERHOLSTER, A. 

Analysis of genetic variation in Cucurbita moschata by random amplified polymorphic DNA (RAPD) 

markers. Euphytica 2000;1131(1):19-24. 

PURCHASE, J.L., HATTING, H., VAN DEVENTER, C.S. 

Genotype x environment interaction of winter wheat (Triticum aestivum L.) in South Africa: I AMMI 

analysis of yield performance. South African Journal of Plant and Soil 2000;17(3):95-100. 

PURCHASE, J.L., HATTING, H., VAN DEVENTER, C.S. 

Genotype x environment interaction of winter wheat (Triticum aestivum L.) in South Africa: II 

Stability analysis of yield performance. South African Journal of Plant and Soil 2000;17(3):101-107. 

Kategorie / Category 8 


LABUSCHAGNE, M.T. 

Member of editorial board: South African Journal of Plant and Soil 


EMEETAI-AREKE, Thomas Edison 

GENETIC VARIABILITY FOR YIELD AND QUALITY CHARACTERISTICS IN SOUTH 

AFRICAN COTTON GERMPLASM (Gossypium hirsutum L.). Promoter: Prof. C.S. Van Deventer 

GWANAMA, Cousins 

66

67 

GENETIC VARIATION AMONG LAND RECES OF Cucurbita Moschata AND 

INHERITANCE OF ITS FRUIT YIELD AND QUALITY. Promoter: Prof. M.T. Labuschagne 

KANJU, Edward Eneah 

INHERITANCE OF AGRONOMIC AND QUALITY CHARACTERISTICS IN SWEET 

POTATO (Ipomoea batatas (L .) LAM. Promoter: Prof. C.S. Van Deventer 


FATO, Pedro 

PATHOGENIC VARIABILITY IN PUCCINIA SORGHI ON MAIZE IN SOUTH AFRICA. 

Supervisor: Prof. Z.A. Pretorius Co-supervisors: Prof. C.S. Van Deventer Dr B.C. Flett 

GEMELAL, Adugna Wakjira 

ASSESSMENT OF TISSUE CULTURE DERIVED REGENERANTS OF LINSEED (LINUM 

USITATISSIMUM L.) IN ETHIOPHIA. Cum laude. Supervisor: Prof. M.T. Labuschagne 

HIKA, Yilma Amenu 

IDENTIFICATION OF ETHIOPIAN TRITICUM AESTIVUM. T. TURGIDUM AND 

ERAGROSTIS TEF USING MORPHOLOGICAL SDS-PAGE AND AFLP 

CHARACTERISATION. Supervisor: Prof. M.T. Labuschagne Co-supervisor: Dr C.D. Viljoen 

KOEN, Elizma 

MOLECULAR MARKERS FOR AND QUALITY ASSESSMENT OF NEAR ISOGENIC 

PALMIET AND SST66 WHEAT LINES FOR PSEUDOCERCOSPORELLA 

HERPOTRICHOIDES (EYESPOT) RESISTANCE. Supervisor: Prof. M.T. Labuschagne 

Co-supervisor: Dr C.D. Viljoen 

MAMUYA, Ibrahim Ndekurusa 

GENOTYPE X ENVIRONMENT FOR QUALITY PARAMETERS OF IRRIGATED SPRING 

WHEAT. Supervisor: Prof. M.T. Labuschagne 

PILLAY, Kirubashin Nadarajh 

ESTIMATION OF GENOTYPE X ENVIRONMENT INTERACTION FOR YIELD IN GREEN 

BEANS (PHASEOLUS VULGARIS). Supervisor: Prof. C.S. Van Deventer Co-supervisor: Prof. 

M.T. Labuschagne 

VAN DER WALT, Cornelia 

THE INHERITANCE AND EXPRESSION OF FROST RESISTANCE GENES IN WHEAT 

CULTIVARS. Supervisor: Prof. M.T. Labuschagne Co-supervisor: Dr H. Maartens 

DEPARTMENT OF PLANT PATHOLOGY 

DEPARTEMENT PLANTPATOLOGIE 

Head of Department/Departementshoof: Prof. Z.A. Pretorius 

+27-(0)51-401-2466 

+27-(0)51-448-0692 

pretorza@sci.uovs.ac.za 


Bender, C.M. Ms/Me. 

Blodgett, J.T. Dr. 

Chen, W.Q. Dr.

Jacobs, A.S. Dr. 

Kloppers, F.J. Dr. 

Kriel, W.M. Ms/Me. 

Niewoudt, T.D. Mr/Mnr. 

Pretorius, Z.A. Prof. 

Swart, W.J. Prof. 


Conference proceedings/Konferensiehandelinge 

BENDER, C.M., PRETORIUS, Z.A. 

Expression of Lr34 resistance to wheat leaf rust in apical and basal flag leaf segments. 10 th Cereal 

Rusts and Powdery Mildews Conference, Budapest, Hungary from 28 August – 1 September 2000. 

PRETORIUS, Z.A., PARK, R.F., WELLINGS, C.R. 

An accelerated method for evaluating adult-plant resistance to leaf and stripe rust in spring wheat. 10 

th Cereal Rusts and Powdery Mildews Conference, Budapest, Hungary from 28 August – 1 September 

2000. 



ANGUELOVA, V.S., VAN DER WESTHUIZEN, A.J., PRETORIUS, Z.A. 

Defense-related enzymes and leaf rust resistance in wheat. 26 th Annual Conference of the South 

African Association of Botanists, Potchefstroom, S.A., 2000. 

BLODGETT, J.T., SWART, W.J., CHEN, W. 

First Report of Alternaria tenuissima as a leaf pathogen of Amaranthus hybridus. 38 th Annual Congress of 

the Southern African Society for Plant Pathology, Grahamstown, S.A., 2000. 

CHEN, W., SWART, W.J. 

First report of Fusarium oxysporum and F. sambucinum associated with root rot of Amaranthus hybridus. 38 

th Annual Congress of the Southern African Society for Plant Pathology, Grahamstown, S.A., 2000. 

CILLIERS, A.J., PRETORIUS, Z.A. 

Genetic variation between mycelial compatibility groups of Sclerotium rolfsii using AFLP analysis. 38 th 

Annual Congress of the Southern African Society for Plant Pathology, Grahamstown, S.A., 2000. 

CILLIERS, A.J., PRETORIUS, Z.A. 

Relative pathogenicity of mycelial compatibility groups of Sclerotium rolfsii to groundnut in South Africa. 

38 th Annual Congress of the Southern African Society for Plant Pathology, Grahamstown, S.A., 2000. 

GROBBELAAR, B., LABUSCHAGNE, M.T., PRETORIUS, Z.A. 

Breadmaking quality of wheat lines with leaf rust resistance genes Lr29, Lr34, Lr35 and Lr37. 

Southern African Plant Breeding Symposium, Harare, Zimbabwe, 2000. 

HERSELMAN, L., CILLIERS, A.J., PRETORIUS, Z.A. 

Mycelial compatibility groups of Sclerotium rolfsii in South Africa. Durable Resistance Symposium, 

Wageningen, The Netherlands, 2000. 

HONIBALL, S.J., LOUW, S.V.D.M., SWART, W.J. 

Weevil-fungus interaction on Amaranthus hybridus in the central Free State, South Africa. Combined 

Congress of the Southern African New Crop Research Association, South African Crop Production 

Society and the Southern African Weed Science Society, Bloemfontein, S.A., 2000. 

68

69 

KEMP, G., VAN DER WESTHUIZEN, A.J., PRETORIUS, Z.A. 

Polygalacturonase inhibiting protein (PGIP) in wheat. 38 th Annual Congress of the Southern African 

Society for Plant Pathology, Grahamstown, S.A., 2000. 

KRIEL, W.M., SWART, W.J., CROUS, P.W. 

Tests for enzyme production by endophytes isolated from pine needles. 38 th Annual Congress of the 

Southern African Society for Plant Pathology, Grahamstown, S.A., 2000. 

LIEBENBERG, M.M., LIEBENBERG, A.J., PRETORIUS, Z.A. 

Improving rust resistance in dry bean in South Africa. Durable Resistance Symposium, Wageningen, 

The Netherlands, 2000. 

LOUW, S.V.D.M., HONIBALL, S.J., SWART, W.J., CHEN, W. 

Weevils as vectors of plant pathogens: A case study on amaranth in South Africa. XXI-International 

Congress of Entomology, Brazil, 2000. 

LOUW, S.V.D.M., SWART, W.J. 

Pistachio nut cultivation in an atypical environment – pattern and process in pest and disease prediction. 

Combined Congress of the Southern African New Crop Research Association, South African Crop 

Production Society and the Southern African Weed Science Society, Bloemfontein, S.A., 2000. 

LOUW, S.V.D.M., SWART, W.J. 

Pistachio nut cultivation in an atypical environment – pattern and process in pest and disease prediction. 

XXI-International Congress of Entomology, Brazil, 2000. 


Biochemical events related to sunflower resistance to rust. 26 th Annual Conference of the South 

African Association of Botanists, Potchefstroom, S.A., 2000. 


Defense-related enzymes in the resistance response of sunflower to rust. 38 th Annual Congress of 

the Southern African Society for Plant Pathology, Grahamstown, S.A., 2000. 

NIEUWOUDT, D., SWART, W.J., PRETORIUS, J.C. 

Differences in fungicide sensitivity between Botryosphaeria dothidea and B. obtusa isolates collected from 

pistachio orchards in South Africa. 38 th Annual Congress of the Southern African Society for Plant 

Pathology, Grahamstown, S.A., 2000. 

PRETORIUS, Z.A., VAN NIEKERK, B.D., BOSHOFF, W.H.P. 

Recent developments in pathogenic adaptation in rust fungi. 38 th Annual Congress of the Southern 

African Society for Plant Pathology, Grahamstown, S.A., 2000. 

PRETORIUS, Z.A., BOWER, J.M., BENDER, C.M., SPIES, J.J., VILJOEN, C.D. 

Adult-plant resistance to wheat leaf rust in Triticum turgidum spp. dicoccum. Southern African Plant 

Breeding Symposium, Harare, Zimbabwe, 2000. 

PRETORIUS, Z.A., KLOPPERS, F.J. 

Stripe rust reaction of wheat lines developed for resistance to Puccinia recondita f. sp. tritici. Southern 

African Plant Breeding Symposium, Harare, Zimbabwe, 2000. 

SWART, V.R., SWART, W.J., LOUW S.V.D.M., KRIEL, W.M. 

An ecological complex of parasitic fungi associated with Drosophila spp. that utilize Opuntia ficus-indica in 

South Africa. The IVth International Congress on Cactus Pear and Cochineal, Hammamet, Tunisia, 2000. 

SWART, V.R., SWART, W.J., LOUW S.V.D.M., KRIEL, W.M.

70 

Parasitic fungi and yeast spp. associated with Drosophila spp. that utilise Opuntia ficus-indica. 

Parasitological Society of Southern Africa, Bloemfontein, S.A., 2000. 

SWART, W.J., AMADI, J.E., VILJOEN, B.C. 

The current status of research on diseases of Opuntia ficus-indica in South Africa. The IVth International 

Congress on Cactus Pear and Cochineal, Hammamet, Tunisia, 2000. 

SWART, W.J., BLODGETT, J.T. 

Fungi associated with diseased pistachio trees in South Africa. Combined Congress of the Southern 

African New Crop Research Association, South African Crop Production Society and the Southern 

African Weed Science Society, Bloemfontein, S.A., 2000. 

SWART, W.J., LOUW, S.V.D.M. 

Pest and disease implications for new crop development in South Africa. Combined Congress of the 

Southern African New Crop Research Association, South African Crop Production Society and the 

Southern African Weed Science Society, Bloemfontein, S.A., 2000. 

VAN DER WESTHUIZEN, A.J., SWART, E., MOHASE, L., PRETORIUS, Z.A. 

Lipoxygenase activity in plant resistance to aphids and pathogens. International Symposium on Nonmammalian 

Eicosanoids and Bioactive Lipids, Berlin, Germany, 2000. 

VAN NIEKERK, B.D., PRETORIUS, Z.A., BOSHOFF, W.H.P. 

Occurrence and pathogenicity of Puccinia hordei on barley in South Africa. Southern African Plant 

Breeding Symposium, Harare, Zimbabwe, 2000. 

VILJOEN, C.D., VOS, M., KOTZE, P.M., PRETORIUS, Z.A., LABUSCHAGNE, M.T. 

The development and use of genetic markers for rust resistance in wheat breeding programmes. 

Southern African Plant Breeding Symposium, Harare, Zimbabwe, 2000. 




BENDER, C.M., PRETORIUS, Z.A., KLOPPERS, F.J., SPIES, J.J. 

Histopathology of leaf rust infection and development in wheat genotypes containing Lr12 and Lr13. 

Phytopathologische Zeitschrift-Journal of Phytopathology 2000;148:65-76. 

BLODGETT, J.T., SWART, W.J., LOUW, S.V.D.M., WEEKS, W.J. 

Species composition of endophytic fungi in Amaranthus hybridus leaves, petioles, stems and roots. 

Mycologia 2000;92:853-859. 

BOSHOFF, W.H.P., VAN NIEKERK, B.D., PRETORIUS, Z.A. 

Pathotypes of Puccinia graminis f. sp. tritici detected in South Africa during 1991-1997. South African 

Journal of Plant and Soil 2000;17:60-62. 

CHEN, W. Q., SWART, W.J. 

Fusarium oxysporum and F. sambucinum associated with root rot of Amaranthus hybridus in South Africa. 

Plant Disease 2000;84:101. 

CHEN, W.Q., SWART, W.J. 

First report of stem canker of English walnut caused by Fusarium solani in South Africa. Plant Disease 

2000;84:592. 

CHEN, W.Q., SWART, W.J., NIEUWOUDT, T.D.

A new species of Bipolaris from South Africa. Mycotaxon 2000;76:149-152. 

CILLIERS, A.J., HERSELMAN, L., PRETORIUS, Z.A. 

Genetic variability within and among mycelial compatibility groups of Sclerotium rolfsii in South Africa. 

Phytopathology 2000;90:1026-1031. 

JACOBS, A.J., PRETORIUS, Z.A., COUTINHO, T.A. 

Quantification of early infection structures of Puccinia recondita f. sp. tritici in wheat with leaf rust 

resistance derived from Triticum monococcum. South African Journal of Science 2000; 96:86-90. 

KRIEL, W.M., SWART, W.J., CROUS. P.W. 

Foliar endophytes and their interactions with host plants, with specific reference to Gymnospermae. 

J.A. Callow (Ed.). Advances in Botanical Research, Academic Press, 2000: 33: 1-29. 

PRETORIUS, Z.A., SINGH, R.P., WAGOIRE, W.W., PAYNE, T.S. 

Detection of virulence to wheat stem rust resistance gene Sr31 in Puccinia graminis f. sp. tritici in wheat. 

Plant Disease 2000;84:203. 

PRETORIUS, Z.A., VAN WYK, P.S., KRIEL, W.M. 

Occurrence of Puccinia xanthii on ornamental sunflower in South Africa. Plant Disease 2000; 84: 924. 

SWART, W.J., MATHEWS, C., SAXENA, K.B. 

First report of leaf rust caused by Uredo cajani on pigeonpea in South Africa. Plant Disease 

2000;84:1344. 



BOSHOFF, W.H.P., VAN NIEKERK, B.D., PRETORIUS, Z.A. 

Wheat rust: chemical applications in Western Cape emphasises continued research [Koringroes: 

chemiese spuitproewe in Wes-Kaap beklemtoon voortgesette navorsing]. Wheat Focus 2000;18.4:23- 

30. 

DEPARTMENT OF QUANTITY SURVEYING AND CONSTRUCTION 

MANAGEMENT 

DEPARTEMENT BOUREKENKUNDE EN KONSTRUKSIEBESTUUR 

Head of Department/Hoof van die Departement: Prof. J.J.P. Verster 

+27-(0)51-401 2248 

+27-(0)51-401-3324 

versterj@sci.uovs.ac.za 

Author in the Department/Outeur verbonde aan die Departement 

Verster, J.J.P. Prof. 



VERSTER, J.J.P. 

Construction cost management: An approach to utilising available techniques and processes. Paper 

read at the special session on quantity surveying at the 2000 AACE International Transactions and the 

Cost Engineering Council Congress (ICEC): Standard Committee meeting on Tuesday 27 June 2000 at 

Calgary, AB, Canada. 

71

Kategorie / Category 8 


VERSTER, J.J.P. 

Redakteur/Editor: Acta Structilia. 

BERRY, F.H. 

Redakteur/Editor: Bouvaria 


ELLIS, Nicolaas Marthinus 

RISIKOBESTUUR IN DIE KONSTRUKSIEBEDRYF: ‘N ONDERSOEK NA DIE ROL VAN 

DIE BOUREKENAAR [Risk management in the construction industry: An investigation into the 

role of quantify surveyor. Studieleier/Supervisor: Prof. J.J.P. Verster 

DEPARTMENT OF SOIL SCIENCE 

DEPARTEMENT GRONDKUNDE 

Head of Department/Departementshoof: Prof. C.C. du Preez 

+27-(0)51-401-2212 

+27-(0)51-401-2212 

dpreezcc@sci.uovs.ac.za 


Bennie, A.T.P. Prof. 

Du Preez, C.C. Prof. 

Le Roux, P.A.L. Dr. 

Strydom, M.G. Mr/Mnr. 

Van Rensburg, L.D. Dr. 



BATCHELOR, C., BENNIE, A.T.P., AVCI, M. 

Preliminary analysis of the potential impact of the OSWU consortium on improved agricultural 

production in dryland areas using a Bayesian belief network approach. Van Duivenbooden, N., Pala, 

M., Studer, C., Bielders, C.L. (eds.). Efficient soil water use: the key to sustainable crop production in 

the dry areas of West Asia, and North and Sub-Saharan Africa. Proceedings of the 1998 (Niger) and 

1999 (Jordan) workshops of the Optimizing Soil Water Use (OSWU) Consortium. ICARDA, Aleppo, 

Syria and ICRISAT, Patancheru, India. 1999:425-436. ISBN 92-9066-400-3 

BEUKES, D.J., BENNIE, A.T.P., HENSLEY, M. 

Optimization of soil water use in the dry crop production areas of South Africa. Van Duivenbooden, 

N., Pala, M., Studer, C., Bielders, C.L. (eds.). Efficient soil water use: the key to sustainable crop 

production in the dry areas of West Asia, and North and Sub-Saharan Africa. Proceedings of the 1998 

(Niger) and 1999 (Jordan) workshops of the Optimizing Soil Water Use (OSWU) Consortium. 

ICARDA, Aleppo, Syria and ICRISAT, Patancheru, India.1999:165-191. ISBN 92-9066-400-3 

BEUKES, D.J., MARASAS, C.N., BENNIE, A.T.P., HENSLEY, M. 

Impact of optimizing soil water use research, and the need for using new information tools and 

methodologies in South Africa. Van Duivenbooden, N., Pala, M., Studer, C., Bielders, C.L. (eds.). 

72

73 

Efficient soil water use: the key to sustainable crop production in the dry areas of West Asia, and 

North and Sub-Saharan Africa. Proceedings of the 1998 (Niger) and 1999 (Jordan) workshops of the 

Optimizing Soil Water Use (OSWU) Consortium. ICARDA, Aleppo, Syria and ICRISAT, Patancheru, 

India. 1999:381-392. ISBN 92-9066-400-3 



BENNIE, A.T.P. 

A perspective on the sustainability of dryland tillage practices in South Africa. 15 th Conference of 

International Soil Tillage Research Organization, Fort Worth, Texas, United States of America, 2000. 

BOL, R., LOBE, I., DU PREEZ, C.C., AMELUNG, W. 

Influence of land use for cropping on carbon and nitrogen isotope signatures in South African sandy 

soils. Workgroup on Stable Isotopes, Environmental Research Centre, Leipzig, Germany, 2000. 



DU PREEZ, C.C., STRYDOM, M.G., LE ROUX, P.A.L., PRETORIUS, J.P., VAN RENSBURG, 

L.D., BENNIE, A.T.P. 

Effect of water quality on irrigation farming along the lower Vaal River: The influence on soils and 

crops. Water Research Commission report 740/1/00, Pretoria. 2000:163. 



BENNIE, A.T.P. 

Member of editorial committee, African Crop Science Journal, 2000. 


MOLETE, Sebolelo Francina 

RETENTION AND RELEASE OF APPLIED PHOSPHORUS BY THE BENCHMARK SOILS 

OF LESOTHO. Promoter: Prof. C.C. du Preez Co-promoter: Dr. M.V. Marake 


VAN STADEN, Petrus Paulus 

EFFEK VAN AFLOOP-OPGAARVERWANTSKAPPE OP REËNVALBENUTTING DEUR 

MIELIES OP KLEIGRONDE MET HOË DROOGTERISIKO [Effect of run-off accumulation 

relations on rainfall utilisation by maize on clayey soils with high drought risk]. Cum laude. 

Studieleier/Supervisor Dr. L.D. van Rensburg Medestudieleier/Co-supervisor: Dr. M. Hensley 

DEPARTMENT OF URBAN AND REGIONAL PLANNING 

DEPARTEMENT STAD EN STREEKBEPLANNING 

Head of Department/Departementshoof: Prof. W.J.v.H. Botha 

+27-(0)51-401-2486 

+27-(0)51-447-3929 

bothawj@sci.uovs.ac.za 

Authors in the department/Outeurs verbonde aan die departement:

Botha, W.J. van H. Prof. 

Campbell, M.M. Dr. 

Kearney, M. Mr/Mev. 

Lazenby, J.A.A. Dr. 

Potgieter, P.J. Mr/Mnr. 

Steenkamp, G.M. Mrs/Mev. 

Steÿn, J.J. Prof. 

Viviers, J. Mr/Mnr. 


Conference proceedings/ Konferensiehandelinge 

STEŸN, J.J., VIVIERS, J. 

Integrated Development Planning Process in South Africa: A Case Study in the Northern Free State 

Province p272-276. 36 th International Congress of the International Society of City and Regional 

Planners (ISoCaRP) in Cancun, Mexico, 7 - 11 September 2000 


Research articles in accredited research journals/ Navorsingsartikels in geakkrediteerde 


CAMPBELL, M.M., LAZENBY, J.A.A. 

Intrastedelike residensiële mobiliteit en omgewingstevredenheid onder inwoners van hoë en 

mediumdigtheidsbehuisingseenhede in die groter Bloemfontein. [Intraurban residential mobility and 

environmental satisfaction among residents of high- and medium-density housing units in the greater 

Bloemfontein]. Die Amptelike Tydskrif van SABI (Suid-Afrikaanse Beplannings Instituut)/The 

Official Journal of SAPI (South African Planning Institute). Town and Regional Planning/Stads-en 

Streekbeplanning 2000;43:39-45. 

KEARNEY, M. 

An Alternative to Perfect Competition. The Official Journal of SAPI (South African Planning 

Institute) Town and Regional Planning/Stads-en Streekbeplanning 2000;43:46-51. 


Research articles published in other journals/ Navorsingsartikels in ander tydskrifte 

POTGIETER, P.J. 

Beplanning versus Stadsbeplanning Acta Structulia 2000:7(1):81-92. 



STEŸN, J.J. 

Enkele beplanningsfasette vir die Riemvasmaak Makro-ontwikkelingsplan [Some planning facets for the 

Riemvasmaak Macro-Development plan]. Navorsingspublikasie/Research publication 30. ISBN 0 86886 634 2 


Editorships / Redakteurs/mederedakteurs 

STEŸN, J.J. 

Redakteur/Editor: Die Amptelike Tydskrif van SABI (Suid-Afrikaanse Beplannings Instituut)/The 

Official Journal of SAPI (South African Planning Institute). Town and Regional Planning/Stads-en 

Streekbeplanning. 

STEŸN, J.J. 

74

Adjunkredakteur/Deputy Editor: Acta Stuctilia. 

STEENKAMP, G.M. 

Subredakteur/Deputy Editor: Town and Regional Planning/Stads-en Streekbeplanning. 


VAN WYK, Rudolph Petrus Gerhardus 

‘N TEORETIESE STADSBEPLANNINGSONDERSOEK NA MIDDESTEDELIKE 

AGTERUITGANG MET VOORSTELLE VIR HERSTRUKTURERING IN SUID-AFRIKA [A 

theoretical urban planning investigation into central urban deterioration with proposals for 

restructuring in South Africa]. Studieleier/Supervisor: Prof. J.J. Steyn 

DEPARTMENT OF ZOOLOGY AND ENTOMOLOGY 

DEPARTEMENT DIERKUNDE EN ENTOMOLOGIE 

Head of Department/Departementshoof: Prof. J.G. van As 

+27-(0)-51-401-2427 

+27-(0)-51-448-8711 

vanasjg@sci.uovs.ac.za 


Ebenebe, A.A. Dr. 

Fourie, L.J. Prof. 

Kok, A.C. Dr. 

Kok, D.J. Prof. 

Kok, O.B. Prof. 

Kopij, G. Dr. 

Louw, S. vd M. Prof. 

Seaman, M.T. Mr/Mnr. 

Smit, N.J. Mr/Mnr. 

Van As, J.G. Prof. 

Van As, L.L. Dr. 

Van der Linde, T.C. de K. Prof. 

Van Ee, C.A. Mr/Mnr. 

Watson, M. Ms/Me. 



SEAMAN, M.T., KOK, D.J., WATSON, M. 

Cladocera. Day, J.A., Stewart, B.A., De Moor, I.J., Louw, A.E. (Eds.). Guides to the freshwater 

invertebrates of southern Africa. Crustacea I: Notostraca, Anostraca, Conchostraca and Cladocera, 

Water Reseach Commission. Pretoria, 1999:81-110. 




BLODGETT, J.T., SWART, W.J., LOUW, S.V.D.M., WEEKS, W.J. 

Species composition of endophytic fungi in Amaranthus hybridus leaves, petioles, stems, and roots. 

Mycologia 2000;92(5):853-859. 

75

76 

EBENEBE, A.A., VAN DEN BERG, J., VAN DER LINDE, T.C. DE K. 

Seasonal flight activity of the maize stalk borer, Busseola fusca (Fuller) (Lepidoptera: Noctuidae), in 

Lesotho. African Entomology 2000;8(1):63-68. 

EBENEBE, A.A., VAN DEN BERG, J., VAN DER LINDE, T.C. 

Response of local maize varieties and commercial hybrids to natural infestation by Busseola fusca (Fuller) 

(Lepidoptera: Noctuidae), in Lesotho. South African Journal of Plant and Soil 2000;17(2):74-79. 

EBENEBE, A.A., VAN DEN BERG, J., VAN DER LINDE, T.C. DE K. 

The status of resistance of local maize varieties and hybrids grown in Lesotho to the stalk borer, 

Busseola fusca (Fuller) (Lepidoptera: Noctuidae). South African Journal of Plant and Soil 2000;17(2):80- 

85. 

FOURIE, L.J., HORAK, I.G. 

Status of Dorper sheep as hosts of ectoparasites. Small Ruminant Research 2000;36:159-164. 

FOURIE, L.J., KOK, D.J., PETER, R.J. 

Control of immature stages of the flea Ctenocephalides felis (Bouché) in carpets exposed to cats treated 

with imidacloprid. Journal of the South African Veterinary Association 2000;71(4):219-221. 

HORAK, I.G, BRAACK, L.E.O., FOURIE, L.J., WALKER, J.B. 

Parasites of domestic and wild animals in South Africa. XXXVII. Ixodid ticks collected from 23 wild 

carnivore species. Onderstepoort Journal of Veterinary Research 2000;67:239-250. 

KING, P.H., VAN AS, J.G. 

Morphology and life history of Petasiger variospinosus (Trematoda: Echinostomatidae) in the Free State, 

South Africa Journal of Parasitology 2000;86(2):312-318. 

KOK, O.B., KOK, A.C., VAN EE, C.A. 

Diet of the migrant Lesser Kestrels Falco naumanni in their winter quarters in South Africa. Acta 

Ornithologica 2000;35:147-151. 

KOK, O.B., LOUW, S.V.D.M. 

Avian and mammalian predators of Orthoptera in semi-arid regions of South Africa. South African 

Journal of Wildlife Research 2000;30(3):122-128. 

KOPIJ, G., KOK, O.B., NUTTALL, R.J. 

Breeding cycle of the Southern Bald Ibis, Geronticus calvus. Ostrich 2000;71(3&4):393-399. 

LOUW, S.V.D.M., MYBURGH, E. 

Occurrence and prominence of insect guilds on vegetable amaranth (Amaranthus hybridus) cultivated in 

the central Free State, South Afirca. African Plant Protection 2000;6(2):9-12. 

SMIT, N.J., BASSON, L., VAN AS, J.G. 

A redescription of the adult male of Caecognathia cryptopais (Barnard, 1925) (Crustacea: Isopoda: 

Gnathiidae) from southern Africa. Folia Parasitologica 2000;47:61-66. 

SMIT, N.J., VAN AS, J.G. 

A new species, Gnathia nkulu sp. n. (Crustacea: Isopoda: Gnathiidae) from southern Africa. Folia 

Parasitologica 2000;47:235-240. 

VAN AS, L.L., VAN AS, J.G. 

Licnophora bassoni sp. n. (Ciliophora: Heterotrichea) from South African turban shells (Gastropoda: 

Prosobranchia). Acta Protozoologica 2000;39:331-335.

77 

VAN ZYL, A., VAN DER LINDE, T.C. DE K. 

Anatomy and histology of the alimentary canals of the antlion larvae Furgella intermedia Marki and 

Palpares annulatus Stitz (Neuroptera: Myrmeleontidae), with reference to their feeding physiology. 

African Entomology 2000;8(2):179-188. 


SMIT, Nicholas Jacobus 

THE BIOLOGY OF GNATHIID ISOPOD PARASITES AND THEIR ROLE AS VECTORS OF 

FISH BLOOD PARASITES IN SOUTH AFRICA. Promoter: Prof. J.G. van As Co-promoters: 

Prof. Linda Basson Prof. Angela Davies Russell 


BROWN, Leslie 

ASPECTS OF THE BIO-ECOLOGY OF THE BITING LOUSE DAMALINIA LIMBATA. 

Supervisor: Prof. T.C.D.K. van der Linde Co-supervisor: Prof. L.J. Fourie 

DU RAND, Christina 

FACTORS INFLUENCING THE LIFE CYCLE OF CTENOCEPHALIDES SPP. Supervisor: 

Prof. D.J. Kok Co-supervisor: Prof. L.J. Fourie 

GROBLER, Nicolaas Johannes 

CALIGID FISH PARASITES FROM THE SOUTH AND EAST COAST OF SOUTH AFRICA. 

Cum laude. Supervisor: Prof. J.G. Van As Co-Supervisor: Prof. P.A.S. Olivier 

HUGO, Elizabeth Aletta 

GUILD STRUCTURE AND SEASONAL DISTRIBUTION OF INSECTS ASSOCIATED WITH 

AMARANTHUS HYBRIDUS UNDER DIVERSE CULTIVATION PRACTICES IN THE 

CENTRAL FREE STATE. Supervisor: Prof. S.V.D.M. Louw 

JACOBS, Phillip Andrew Herman 

INTERACTIONS BETWEEN TICKS AND DOGS IN THE GREATER BLOEMFONTEIN. 

Supervisor: Prof. L.J. Fourie Co-supervisor: Prof. D.J. Kok 

JANSEN VAN RENSBURG, Candice 

SNAIL BORNE LARVAL TREMATODES OF THE OKAVANGO DELTA, BOTSWANA. Cum 

laude. Supervisor: Prof. J.G. Van As Co-supervisor: Dr P.H. King 

PETERS, Susanna Magdelena 

ENVIRONMENTAL, MANPOWER AND FINANCIAL ANALYSIS OF LOCUST CONTROL 

IN SOUTH AFRICA. Cum laude. Supervisor: Prof. M.C. van der Westhuizen 

REED, Cecile Catharine 

MYXOSPOREAN PARASITES (MYXOZOA: MYXOSPOREA) INFECTING FISHES IN THE 

OKAVANGO RIVER SYSTEM, BOTSWANA. Cum laude. Supervisor: Prof. L. Basson Co- 

Supervisor: Dr L.L. Van As 

VAN NIEKERK, Daniel Johan 

ASPECTS OF THE DIURNAL ACTIVITIES OF THE SPIKEHEELED LARK 

(CHERSOMANES ALBOFASCIATA) IN GRASSLAND OF THE CENTRAL FREE STATE. 

Cum laude. Supervisor: Prof. O.B. Kok 

/natuur en landbouwetenskappe

faculty of natural and agricultural science fakulteit natuur - Support ...

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