International Symposium 2010 - Faculty of Agriculture - University of ...

International Symposium 2010
Technical Sessions
Agriculture and Environment
Morning Session
Chairperson: Prof. SGJN Senanayake; Deputy Vice Chancellor, Univesity of Ruhuna,
Matara
11.00 Keynote address: Agricultural soil management and green house gas emission, Prof. Hiroyuki Oht, Dean, College of
Agriculture, Ibaraki University, Japan
11.20 Growth of root system and the patterns of soil moisture extraction in sugarcane under rain-fed and irrigated conditions,
ALC De Silva, WAJM De Costa and DMUS Bandara, (Ag/10/05)
11.35 The effectiveness of pre-soaking and alternative wetting and drying on germination of Pterocarpus marsupium seeds,
KKIU Arunakumara and NDN Priyadarshani, (Ag/10/27)
11.50 Effect of method of plucking, resting and potassium nutrition on root starch reserves of tea in low country, U
Amaraweera, MA Wijerathna and IR Palihakkara, (Ag/10/98)
12.05 Efficacy of biopesticides at field level against white fly (Bemisia tabaci Genn. ) infesting lady's finger (Abelmoschus
esculentus L.), Sunil Kr. Ghosh, GSS Mahapatra and G Chakraborty (Ag/10/04)
12.20 Seasonal abundance of the two spotted spider mite, Tetranychus urticae Koch in tomato ecosystem, GG Jayasinghe and B
Mallik (Ag/10/06)
12.35 Detection of Waligama coconut leaf wilt disease (WCLW) by enzyme linked immunosorbant assey using locally
produced polyclonal antiserum for WCLW phytoplasma, C Ranasinghe and EM Dassanayaka (Ag/10/34)
Afternoon Session
Chairperson: Prof. LP Jayatissa, Dept. of Botany, Faculty of Science, Univesity of
Ruhuna, Matara
14.00 Keynote address: A way to make use of local reality in a global context, Prof. Makoto Inoue, Professor of Global Forest
Environmental Studies,University of Tokyo, Japan
14.20 Morphological characterization of Oryza nivara (wild rice) accessions collected from Sri Lanka, SAP Madurangi, D
Ratnasekera, PV Hemachandra and SGJN Senanayake(Ag/10/41)
14.35 Sequence-tagged microsatellite site marker based genetic diversity analysis of Colletotrichum capsici isolates from chilli
(Capsicum) in Sri Lanka and India, NP Ranathunge, R Ford and PWJ Taylor(Ag/10/42)
14.50 Field evaluation of emamectin benzoate 5 SG and 1.9 EC against borers of Bhendi, R Sheeba Jasmine and S
Kuttalam(Ag/10/65)
15.05 Preliminary Study to investigate the suitability of vermiwash as a bio-liquid fertilizer to enhance aquatic productivity,
JDM Senevirathna and WAHP Guruge(Ag/10/28)
15.20 Effect of potting mixture on growth and yield of two chilli (Capsicum spp.) varieties and their effect on microbial
activity in soil, SAP Madurangi, N Dahanayake, AL Ranawake and U Wanitungage(Ag/10/38)
15.35 Effect of applied concentration of tea waste on soil carbon mineralization, TP Sooriarachchi, SAC Madushika, SHR
Priyadarshani and BC Walpola(Ag/10/70)
Food and Livestock
Morning Session
Chairperson: Prof. (Mrs.) RT Seresinhe, Dept. of Animal Science, Faculty of Agriculture,
Univesity of Ruhuna, Matara

11.00 Keynote address: Fermented foods are attactive for raising of value added agricultural products and health promotion; a
case study of fermented Tofu, Tofuyo.. , Massaki Yasuda, Emeritus Professor, Department of Bioscience and Technology,
Faculty of Agriculture, University of The Ryukyus, Japan
11.20 Beneficial effects of substituting egg shell powder in layer ration on the selected egg quality parameters, LS David, S
Lavanya and MM Mahusoon (Ag/10/12)
11.35 Effects of restricted wet feeding on feed intake and growth performance of broiler chicks from day 10-20, NSBM
Atapattu and HS Sudusinghe (Ag/10/76)
11.50 The use of acid insoluble ash as an internal marker to determine the apparent metabolizable energy of poultry offal
meal in japanese quails (Coturnix coturnix japonica), RK Mutucumarana, K Samarasinghe, JK Vidanarachchi and GWHAA
Ranjith (Ag/10/88)
12.05 Determination of the quality and shelf-life of palmyrah (Borassus flabellifer L.) ready-to-serve (RTS) beverage during
storage at ambient conditions, S Egnesh Nilugin and T Mahendran (Ag/10/15)
12.20 Comparative assestment of oil and coumarin content in bark of cassia (Cinnamomum cassia) and true cinnamon
(Cinnamomum zeylanicum), IK Indrasena, IVADCS Induruwa, T Liyanage, G Wijesinghe and EDK Edirisinghe (Ag/10/36)
12.35 Development of an organic Aloe vera (Aloe vera L.) drink and evaluation of its physicochemical, sensory and keeping
qualities, ASK De Silva and VS Jayamanne (Ag/10/59)
Afternoon Session
Chairperson: Prof. WWDA Gunawardena, Dept. of Animal Science, Faculty of Agriculture,
Univesity of Ruhuna, Matara
14.00 Keynote address: Milk Production in Sri Lanka; where have we gone wrong?, Prof Sivali Ranavana,
14.20 Development of coconut milk drink (Cocos nucifera L.) with fruits and evaluation of its physicochemical,
microbiological and sensory properties, KKA Udayanganie and VS Jayamanne (Ag/10/66)
14.35 Production of healthy fruit-yoghurt for diabetic patients using Nelli (Phyllanthus emblica L.) and Aspartame as a nonsugar
sweetening agent , KM Galappatti and VS Jayamanne (Ag/10/80)
14.50 Development of a supplementary product for potato fingers from Banana by coating with edible grade plant gel from
Davulkurudu (Neolitsea involucrate), SB Navaratne (Ag/10/77)
15.05 Effect of calcium chloride and sodium bicarbonate on crown rot of „Embul‟ banana (Musa sp.), RMRNK Ratnayake, HJ
Sumithra , MD Fernando and KB Palipane (Ag/10/43)
15.20 Pest risk associated with importation of dragon fruit, DTP Jayawardena and RSY DE Silva (Ag/10/72)
15.35 Potential applicability of using four waste materials as substrate preparation to oyster mushroom cultivation, KS Lokuge
and JC Kariyawasam (Ag/10/71)
Inovation and Technologies
Morning Session
Chairperson: Prof. WDG Dharmarathna, Dean, Faculty of Science, Univesity of Ruhuna,
Matara
11.00 Keynote address: Organic waste management in agriculture - a contribution to sustainable agriculture and prosperity
retrospect and prespectives of joint activities. , Dr Andreas Gronauer, Umwelttechnik, Bayer. Landesanstalt für
Landwirtschaft (LfL), Institut für Landtechnik und Tierhaltung (ILT), Germany
11.20 Validation of the paddy parboiling simulation mathematical model for BG 352 long grain (Nadu) rice, DMCC
Gunathialke (Ag/10/07)
11.35 Effect of removal of field heat by hydro-cooling on prolonging shelf life of beans, WAH Champa, TMR Dissanayaka and
BMKS Thilakaratna (Ag/10/09)
11.50 Forecasting rainfall at onset of Maha Season in Monaragala District using ITACS software to develop regression model,
KHMS Premalal, H Alagiyawanna and PM Jayakody (Ag/10/106)
12.05 Effect of oxalic acid, ethanol vapour and packaging on postharvest performance of Carica papaya var. Red Lady,
EGISN Madakumbura, RMNA Wijewardane and PHP Prasanna (Ag/10/22)
12.20 Modification of an existing evaporative cooling device for improvement of its performance, WMCB Wasala, HMAP
Rathnayake, WAG Wiyayabandara, CR Gunawardhane, BMKS Thilakarathne and GVTV Weerasooriya (Ag/10/31)

12.35 Comparison of the surface temperature pattern and urban heat island expansion in two major cities of Sri Lanka, NL
Ukwattage and NDK Dayawansa (Ag/10/52)
Afternoon Session
Chairperson: Prof. KDN Weerasinghe, Dept. of Agric Engineering, Faculty of Agriculture,
Univesity of Ruhuna, Matara
14.00 Keynote address: Rain water harvesting - a solution for the water crisis in developing countries., Prof. Charles Q Su, Chair,
Research Committee, the Petroleum Institute, United Arab Emirates
14.20 Modification of a domestic scale string hoppers extrusion device to manufacture rice noodles at domestic scale and small
scale commercial level, KHLTK Abeysooriya, SB Navartne and CM Navaratne (Ag/10/79)
14.35 Analysis the temporal dynamics of rainfall pattern on paddy cultivation in Sri Lanka, BAN Dilrukshi, CM Navaratne and
KHMS Premalal (Ag/10/83)
14.50 Characteristics of rainfall in relation to sugarcane cultivation at Sevanagala, Sri Lanka, BDSK Ariyawansha and AP
Keerthipala (Ag/10/84)
15.05 Modification of a cost effective device for manioc slicing , DGR Vinodika, CP Rupasinghe and KT Ariyawansha (Ag/10/89)
15.20 Comparative assessment of three different types of dryers for drying fruits, RPW Prasangi, CP Rupasinghe and KT
Ariyawansha (Ag/10/90)
15.35 Application of a combined hydrochemical and stable isotope approach to the study of the interaction between irrigation
canal water and groundwater in southern Sri Lanka, MCCM Prado, KM Hiscock, L Rajasooriyar and E Boelee (Ag/10/20)
Economic and Dissemination Interventions
Morning Session
Chairperson: Prof. Mahinda Wijeratne, Dept. of Agric Economics, Faculty of Agriculture,
Univesity of Ruhuna, Matara
11.00 Keynote address: Multifunctional forestry between yield and social demands. , Prof. Gebhard Schuler, Research Institute of
Forest Ecology and Forestry, Germany
11.20 Firms‟ non-compliance to regulation and environmental altruism of decision makers: what can we learn from solid
waste management in food processing industry in Sri Lanka?, GHI Anjalee, UK Jayasinghe-mudalige and JMM Udugama
(Ag/10/16)
11.35 Effect of changing incentive-base of firms on food quality assurance: Case of dairy processing sector in sri lanka , KGS
Kiriella, SMM Ikram, UK Jayasinghe-mudalige, JMM Udugama and SN Dissanayake (Ag/10/17)
11.50 Capturing the “market” for eco-tourism: estimating the optimum entry charges for the Hurulu eco park in Sri Lanka
towards development and conservation, WRWMAP Weerakoon, NRP Withana, UK Jayasinghe-mudalige, and JMM
Udugama (Ag/10/26)
12.05 Assessment of the contribution of women towards sustainable livelihood in small scale fisheries: A case study in Rekawa,
Tangalle, KPJ Krishanthi, DN Koralagama and O Amarasinghe (Ag/10/44)
12.20 Agricultural diversification in the Garhwal Himalaya: a spatio-temporal analysis, Vishwambhar Prasad Sati (Ag/10/61)
12.35 Consumer perspectives on the importance of safety issues on meat packs, PHGJ De Silva and AL Sandika (Ag/10/81)
Outstanding Students' Research Session - Oral Presentation
Chairperson
14.00 Keynote address, Advantage of sweet sorghum as a bio-fuel and bio-remediation crop., Prof. Youji Nitta
14.20 Screening of some traditional rice cultivars for submergence tolerance, KN Samarahewa, AL Ranawake and SGJN Senanayake
(Ag/S/01)

14.35 Development of the sustainable integrated tourism model for Rekawa area, KPGL Sandaruwan, M De Zoysa and O
Amarasinghe (Ag/S/02)
14.50 Assessment of carbon footprint of an organization: a case study in Faculty of Agriculture, University of Ruhuna, MGG Awanthi
and CM Navaratne (Ag/S/03)
15.05 Assessing the impact of crab culture on shrimp industry by possible horizontal transmission of white spot syndrome virus
(WSSV), BMS Prasadika, NY Hirimuthugoda and PKM Wijegunawardane (Ag/S/04)
15.20 Revitalization of cinnamon industry: a case study in village Nindana in Galle district, MHM Priyashani and R Senaratne
(Ag/S/05)
15.35 Development of frozen jelly incorporated with vanilla ice cream and determination of its quality parameters, PM Udage, M
Arsekularatne, VS Jayamanne and GSN Fernando (Ag/S/06)
15.50 Effects of sample fixing technique, particle size and drop size on sessile drop contact angle, UI Samarawickrama, DAL
Leelamanie and Jutaro Karube (Ag/S/07)
Professionals' Poster Session
Use of Toddy Distillery Spent Wash (TDSW) and Municipal solid waste in making enriched compost in Jaffna peninsula , N
Kannan, M Prabhaharan and P Alvappillai (Ag/10/01) (PPS/01)
Residue management in Low land rice under rice based cropping system - an integrated approch, T Ragavan, S Somasundaram
and V Thirumurugan (Ag/10/87) (PPS/87)
Development of a reliable bioassay method for the evaluation of dehydration tolerance in different parental rice cultivars, AL
Ranawaka and C Nakamura (Ag/10/104) (PPS/104)
Identification of reliable and efficient bioassay method for the evaluation of salinity tolerance in parental rice cultivars, AL
Ranawaka and C Nakamura (Ag/10/105) (PPS/105)
Performance of okra (Abelmoschus esculentus) grown in sandy regosols for different nitrogen sources under integrated nutrient
management system, SL Jumana Haseen and P Premanandarajah (Ag/10/11) (PPS/11)
Impact of Long Term Application of Inorganic Fertilizer on Vesicular Arbuscular Mycorrhizae (VAM) Population in a
Cinnamon (Cinnamomum zeylanicum Blume) fields, HLC Darshanee, DN Samaraweera and KGG Wijesinghe (Ag/10/37)
(PPS/37)
Enhancement of sprouting energy in seeds of chilli (Capsicum annum L.) with water treatment, M Bavatharani, V Arulnanthy
and S Lavanya (Ag/10/51) (PPS/51)
Yield losses due to wild oats at different densities in wheat crop, K Imtiaz, G Hassan and IK Muhammad (Ag/10/53) (PPS/53)
Tolerance of chickpea (Cicer arietinum L.) cultivars to the major chickpea herbicides, IK Muhammad (Ag/10/54) (PPS/54)
Microbial utilization of amino acids in soils across a productivity gradient in natural grassland, Sudas D Wanniarachchi, M
Farrell, JF Farrar and DL Jones (Ag/10/86) (PPS/86)
Population distribution of invertebrate soil meso-fauna functional groups in Mahogany (Swietenia macrophylla) litter, WMCJ
Wijekoon, SD Wanniarachchi, KAYS Kalubowila, RWK Punchihewa and L Nugaliyadda (Ag/10/91) (PPS/91)
Comparison of litter meso-fauna functional group distribution and abundance: Mahogany (Swietenia macrophylla) plantation
vs. abandoned adjoining agro-ecosystem, WMCJ Wijekoon, SD Wanniarachchi, KAYS Kalubowila, RWK Punchihewa and L
Nugaliyadda (Ag/10/93) (PPS/93)
Potential utilization of composted sewage sludge in growth media for lettuce cultivation . , GY Jayasinghe and Y Tokashiki
(Ag/10/97) (PPS/97)
Pharmacognostical aspects of Plectranthus zeylanicus Benth. and Plectranthus amboinicus Lour. of family Lamiaceae, PRM
Muthukumarana, RM Dharmadasa, GAS Premakumara and CD Jayaweera (Ag/10/25) (PPS/25)
Sugar accumulation and deterioration analyses in major sugarcane varieties grown in North Eastern region of Tamil Nadu., R
Sudhagar, M Suresh, RS Purushothaman, A Thirumurugan and T Jayaraj (Ag/10/78) (PPS/78)
Control methods of nematode in Zamioculcus zamiifolia foliage plant, RJMCNK Jayawardana and DB Kelaniyangoda
(Ag/10/95) (PPS/95)
Effect of heavy metals on soil microbial activity as measured by carbon mineralization, PKSE Wimalasena, BC Walpola and
SHR Piyadarshani (Ag/10/03) (PPS/03)
A hydrological study of the Kanniya and Madunagala hot-water springs - Sri Lanka, PBER Ariyasena, Ranjana UK Piyadasa
and D Wickramasinghe (Ag/10/100) (PPS/100)
Salinity intrusion and its impact on environment - Case study in downstream of Bentota river basin, KD Dineshika Chandrani,
Ranjana UK Piyadasa and D Wickramasinghe (Ag/10/101) (PPS/101)
Effect of guniea grass (Panicum maximum) on selected properties of reddish brown earths soils, WMCJ Wijekoon, SHR
Priyadarshani, CJ Gajaweera and RT Seresinhe (Ag/10/92) (PPS/92)

Establishment of embryo freezing (vitrification) technology for goats in Sri Lanka, GDRK Perera, PGA Pushpakumara, LNA De
Silva and PABD Alexander (Ag/10/47) (PPS/47)
Effect of dietary microbial phytase supplementation on growh performance of Labeo rohita and water pollution, NY
Hirimuthugoda, RMS Priyantha and MWAJS Madura (Ag/10/49) (PPS/49)
Effect of stage of growth of Guinea “A” (Panicum maximum, eco type A) grass with low cost supplements on the performance
of NiliRavi buffalo calves, WMCB Weerasinghe, RAUJ Marapana, RT Seresinhe and PPSK Premathilaka (Ag/10/55) (PPS/55)
Development of a field based method to predict body weight of cross-bred buffaloes in small farms, WMCB Weerasinghe,
RAUJ Marapana and RT Seresinhe (Ag/10/56) (PPS/56)
Effects of environmental temperature on gastric transit time, feacal nitrogen and dry matter contents of layer chicken, NSBM
Atapattu and WMCB Weerasinghe (Ag/10/75) (PPS/75)
Development of a preservation technique for ready-to-serve (RTS) fruit drinks without using chemical preservatives, PM
Hewage, KGLR Jayathunge, MD Fernando and BMKS Thilakarathne (Ag/10/18) (PPS/18)
Development of an instant Mung-kiribath mix, S Jayawardene, MD Fernando and BMKS Thilakarathne (Ag/10/23) (PPS/23)
Characterization of acid proteinases purified from Monascus pilosus and its application for the production of low antigenic
whey protein hydrolysates, PL Nilantha Lakshman, Yoichi Toyokawa, Hirohide Toyama and Toki Taira, Masaaki Yasuda
(Ag/10/40) (PPS/40)
Improvement and characterization of low fat healthy sausage by using american oyester mushroom (Pleurotus ostreatus), CS
Alahakoon, A Gunawardana, A Colonne and K Wijesooriya (Ag/10/46) (PPS/46)
Development of herbal drinking yoghurt incorporated with Curry leaves (Murraya Koenigi), Hathawariya (Asparasgus
racemosus) and Polpala (Aerva lantana) , GSN Fernando and VS Jayamanne (Ag/10/57) (PPS/57)
Development of healthy fruit yoghurt incorporated with Ambarella (Spondias cytherea Sonn.), S Abeysekare and VS Jayamanne
(Ag/10/58) (PPS/58)
Influence of sample pre-enrichment on the examination of pork sausage samples for Salmonella by plate count method and
fluorescent in -situ hybridization (FISH) technique, RMUSK Rathnayaka (Ag/10/60) (PPS/60)
Development of suitable methods for organic preservation of pulp of papaya, banana and pineapple, ASK De Silva, U
Binduhewa and V Wijerathne (Ag/10/62) (PPS/62)
Development of pasteurized malted drink and evaluation of its physicochemical, sensory and microbiological properties, RATM
Ramanayaka, VS Jayamanne and MPK Jayarathna (Ag/10/63) (PPS/63)
Manufacture of cakes by using cassava flour (Manihot esculenta Crantz.) and evaluation of their shelf-life, physicochemical and
sensory properties, KM Galappatti and VS Jayamanne (Ag/10/67) (PPS/67)
Flood inundation scenario mapping using Geographical Information Systems: a case study in Akuressa in Southern Sri Lanka,
DLWS Pushpakumara, CM Navaratne and Chandana PG (Ag/10/82) (PPS/82)
Achieving economies of scale in cottage level coir based industries through community based organizations: Experience from
Matara district , LP Thulsi Eranga, LM Abeywickrama and N Liyanarachchi (Ag/10/102) (PPS/102)
Impact of empowerment of rural women in local economic development: A case study in coir based cottage industries of Matara
District, LP Thulsi Eranga, LM Abeywickrama and N Liyanarachchi (Ag/10/103) (PPS/103)
Evaluation of potential for alternative livelihood activities as a local economic development initiative in the Rekawa Special
Area Management (SAM) Zone of Hambantota District, Sri Lanka, PAJ Champika, KPJ Krishanthi, DHP Premachandra and O
Amarasinghe (Ag/10/30) (PPS/30)
Comparative assessment of environmental responsibility of small holder and corporate sectors in the tea industry, KAMSC
Jayathissa and AMTP Athauda (Ag/10/45) (PPS/45)
Present status and future prospects in leafy vegetable cultivation, HKA Karunathilaka and JC Rajapakshe (Ag/10/64) (PPS/64)
Impact of socio-demographic profiles on habitual food consumption pattern of households living in Galle, Kalutara, Matara and
Moneragala districts, PHGJ De Silva, WMCB Weerasinghe and RTSeresinhe (Ag/10/69) (PPS/69)
Potentials and constraints for development of crop – livestock integration on smallholdings in Coconut Triangle, KMA
Wijenayake, AC Weerasooriya and BPA Jayaweera (Ag/10/94) (PPS/94)
Revitalization of small scale cattle management systems in Southern Province, CJ Gajaweera, RAUJ Marapana and RT
Seresinhe (Ag/10/96) (PPS/96)
Outstanding Students' Research session - poster presentation

Improving waste management system in pesticide industry, RADT Darshani, MRK Abeysingha, U Gangoda and L Nugaliyadde
(SPS/01)
The potentials of urban green space improvement: a case study in Gampaha district, WDL Saubhagya, M De Zoysa and HWK
Jayatilake (SPS/02)
Nutritional status of lactating dairy cows under small holder dairy farming system in Polgahawela veterinary range, HMSSK
Herath, ULP Mangalika, RAUJ Marapana and RT Seresinhe (SPS/03)
Evaluate resistance of khaya, teak and neem for elephant damage in the Polonnaruwa district and inventory of khaya plantation
based on Gary Archer method, J Jayananda, WDNR Prasad and IR Palihakkara (SPS/04)" ()
Evaluation of grain quality attributes of rice grown with compost and different levels of chemical fertilizers, SD Pathirana, RF
Hafeel, VS Jayamanne and KKA Udayanganie (SPS/05)
Effect of biochar application on some chemical and physical properties of a major rubber growing soil, BJP Baruhupala, RS
Dharmakeerthi and SD Wanniarachchi (SPS/06)" ()
Evaluation of the potential of biofuel production from algae, TN Ammon, CP Rupasinghe and KT Ariyawansha (SPS/07)
Production and evaluation of alternative papers from aquatic weeds, SHCS Gunawardana and S Wijetunga (SPS/08)
Study of out-crossing associated characteristics of At 307 with elected three months rice (Oryza sativa L.) varieties, APA
Kumara, N Dahanayake, BD Phathinayake and SGJN Senanayake (SPS/09)
A social capital approach for poverty alleviation in fisheries: the role of fisheries cooperatives, N Paranamana and O
Amarasinghe (SPS/10)
Evaluation of partially digested pig manure as a composting material, WHW Maduranga and PWA Perera (SPS/11)
Effect of sok sok bagging on yield and quality of banana (var. Cavendish), BVN Priyadarshana, Kosala Wathulanda and KKIU
Arunakumara (SPS/12)
Characterization of bench-marked soil series in the tea growing areas of Sri Lanka, in relation to Potassium dynamics, PCK
Ranathungamage, GP Gunarathne and BC Walpola (SPS/13)
Bottling and improvement of the shelf-life of King Coconut (Cocos nucifera L.) water as an organic soft drink, DP
Warnakulasuriya, S Fonseka, VS Jayamanne and GSN Fernando (SPS/14)