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Chang, S.C., and Y.Z. Wu. 1976. Practical method for inoculation of downy mildew disease (Sc7erospora sacchari) in corn. Rept. of the Corn Res. Center (Tainan Dist. Agric. Impromt. Stat., ROC on Taiwan) 11: 20-21. Cheng, S.C. 1980. Effect of seed corn treated with Ridomil 25 WP and Apron 35 SO on the germination and control of downy mildew. Rept. of the Corn Res. Center (Tainan Dist. Agric. Improvmt. Stat., ROC on Taiwan) 14: 19-22. Drechsler, C. 1934. Pythium but7eri and P. aphanidermatum. Phytopathology 24: 7 (Abstr.) Davis, S.M., and P.L. Crane. 1976. Recurrent selection for rind thickness in maize and its relationship with yield, lodging, and other plant characteristics. Crop Sci. 16: 53-55. Dept. of Agric. and Forestry. 1991. Taiwan Provincial Government, ROC. Agric. Yearbook. Fausey, N.R. and M.B. McDonald. 1985. Emergence of inbred and hybrid corn following flooding. Agron. J. 77: 51-56. Guthrie, W.O., F.F. Dicke, and C.R. Neisweander. 1960. Leaf and sheath feeding resistance to the European corn borer in eight inbred lines of dent corn. Ohio Agric. Exp. Stn. Res. Bull. 860. 38 pp. Guthrie, W.D., E.S. Raun, F.F. Dicke, G.R. Pesho and S.W. Carter. 1965. Laboratory production of European corn borer egg masses. Iowa State, J. Sci. 40: 65-83. Guthrie, W.E., J.L. Huggans and S.M. Chatterji. 1970. Sheath and collar feeding resistance to the second-brood European corn borer in six inbred lines of dent corn. Iowa State. J. Sci. 44: 297-311. Guthrie, W.D., W.A. Russell, G.L. Reed, A.R. Hallauer and D.F. Cox. 1978. Method of evaluating maize for sheath collar feeding resistance to the European corn borer. Maydica 23: 45-53. Gallum, R.L. 1979. Breeding for resistance to insects in wheat. In: Biology and Breeding for Resistance to Arthropods and Pathogens in Agricultural Plants, M.K. Harris (Ed.). Texas Stn. Misc. Publ. MP-1451: 245-262. Klun, J.A. and J.F. Robinson. 1969. Concentration of two 1, 4-benzoxazinones in dent corn at various stages of development of the plant and its relation to the European corn borer. J. Econ. Entomol. 62: 214-220. Klenke, J.R., W.A. Russell and W.D. Guthrie. 1986. Recurrent selection for resistance to the European corn borer in a corn synthetic and correlated effects on agronomic traits. Crop Sci. 26: 864-868. Lin, C.H., Y.C. Lu, C.H. Liu and C.I. Tsai. 1988. Development of a drill equipped with two-layer fertilizer applicator for maize and its effect on field test. Bull. Hualien DAIS. 4: 75 82. Penny, L.H., G.E. Scott and W.D. Guthrie. 1967. Recurrent selection for European corn borer resistance in maize. Crop. Sci. 7: 407-409. Sehgal, O.P. 1965. Host range, properties and purification of a virus isolated from dent corn in Missouri. Phytopathology 55: 1075-1076 (Abstr.) Taiwan Provincial Govmt. Annual Rept. of the Integrated Control of the Asian Corn Borer. 1985, 1986, 1987, 1988. Dept. of Agric. and Forestry, Taiwan Provincial Government. Thompson, D.L. 1972. Recurrent selection for lodging susceptibility and resistance in corn. Crop Sci. 12: 631-634. Thompson, D.T. 1982. Grain yield of two synthetics of corn after seven cycles of selection for lodging resistance. Crop Sci. 22: 1207-1210. Tosic, M. and R.E. Ford. 1974. Physical and serological properties of maize dwarf mosaic and sugarcane mosaic virus. Phytopathology 64: 312-317. Tseng, C.M. 1980. Studies on corn mosaic virus in Taiwan. Rept. of Corn Res. Center (Tainan Dist. Agric. Improvmt. Stat., ROC, Taiwan) 14: 43-53. Tseng, C.T. 1986. Effect of mold inhibitor combinations on growth and development of the Asian corn borer, Ostrinia furnaca7is. Chinese J. Entomol. 6: 69-77. Tseng, C.T. 1989. Concentration of DIMBOA in leaf tissue at various stages of corn plant in relation to resistance of host plant to the Asian corn borer. Plant Prot. Bull. (Taiwan, ROC) 31: 34-43. 128
Tseng, C.T., and Y.Z. Wu. 1990a. The integrated control of the Asian corn borer, Ostriniae furnaca7is Guenee, on sweet corn. Plant Prot. Bull. 32: 177-182. Wenkert, W., N.R. Fausey, and H.D. Watter. 1981. Flooding response in Zea mays L. Plant and Soil 62: 351-366. Questions to the author: FROM: G. Granados Q One of the better known sources of resistance to corn borers in tropical and maize is Antigua Gr.1, but Antigua germp1asm is very susceptible to downy mildew. reason some people talk about a negative correlation between resistance to mildew and to corn borer. Have you detected any kind of correlation between resistance to these factors? A So far in our maize hybrid breeding program, there is not any evidence shown that subtropical For this resistance 2 stress positive correlation between resistance to corn borer and downy mildew exists. However, this an interesting question. We would like to look at more different sources of resistance compare the correlation between these two stress factors. FROM: P. Grudloyma Q COuld you please tell me how long you flood the corn plant in the paddy field for screening to waterlogging resistance? A In our maize hybrid breeding program for screening waterlogging resistance the plots are to be flooded for 5to 6 days when plants are at 5th or 6th leaf stage. the is to 129
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Proceedings of the Fifth Asian Regi
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Page Foreword List of participants
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For several years, the Asian countr
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LAOS MALAYSIA MYANMAR NEPAL PAKISTA
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Chamnan Chutkaew Dept. of Agronomy
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I t· PRIVATE PRIVATE SECTOR: SECTO
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Pioneer Overseas Corp. ProAgro Seed
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MP COP NGOs TK = Muriate of Potash.
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Table 3. Land suitability for maize
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Depending on how this wheat is rele
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Individual field sizes in the GKF a
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Table 12. Demonstration block resul
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alance of composite, synthetics and
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Elias, S.M., F.S. Sikder and J.Ahme
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~IZE ItAIMJ4ENT PRXJW4ME IN IHlf'AN
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3. Low level of soil fertility. Exp
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3. Farmers could not afford to purc
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Table 1. Hybrid maize production in
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100,000 mu (1 ha = 15 mu). Fran 198
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+ The planting area of inbred line
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ty levels. Selection interia should
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Dao13, Oa19, SSE232 etc.). b. combi
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~ZE I~ IN IN>IA - AN OVERVIEW WITH
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inbred 1ines possessing good genera
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Table 3. Details of medium and earl
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increasing the yield levels of the
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Production of ~zygous diploid inbre
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EntQllOlogical research. In the fie
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A 1) OUr coordinated efforts for ma
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Table 1. Maize area harvested, proW
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Table 4. Grain yield of Semar 1 and
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ut they have been selecting ears fr
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MAIZE ~ N«J ~ION IN LAOS. Kanyavon
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to rice in order to reach self-suff
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0\ 0\ ."'0- ~I.u'. u: 0 50 100 STAT
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. According to the findings of the
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IR:EDIIIG IHJ N:RHJotIC RESEAfDI C
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tion with estate or mini-estate typ
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Table 4. MYR grain maize yields ove
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techniques. References Anonymous. 1
Page 84 and 85: Table 1. Total area under maize and
Page 86 and 87: Year Township Area planted Total pr
Page 88 and 89: cover, short plant stature, and sat
Page 90 and 91: Table 3. Res.Stat. Multilocational
Page 92 and 93: 3. Plant protection: a. Diseases Th
Page 94 and 95: Questions to the author: FROM: S. K
Page 96 and 97: were unacceptable in some parts due
Page 98 and 99: Table 2. CCRI maize hybrid yield tr
Page 100 and 101: HYBRID MAIZE BREEDlt.G AN> ALH»DII
Page 102 and 103: of highly productive technologies,
Page 104 and 105: Maize varietal improvement continue
Page 106 and 107: Peronosc lerospora phi 1ippinensis
Page 108 and 109: elow to help clarify the farm level
Page 110 and 111: Premium Grade (emulsifiable concent
Page 112 and 113: support. The versatile planter/fert
Page 114 and 115: Table 1. Climatic conditions in the
Page 116 and 117: T1l1t:i----------------------------
Page 118 and 119: the maha season. Yala season is cha
Page 120 and 121: . Spacing Blackgram Maize 40 em x 5
Page 122 and 123: Sri Lanka. Ariyanayagam, R. P. 1967
Page 124 and 125: It took almost 10 years to develop
Page 126 and 127: g; CUS0 4 (5H 2 0): 0.39 g; NaF: 0.
Page 128 and 129: 3. Making single cnosses: Plant the
Page 130 and 131: experiments showed that the fertili
Page 132 and 133: Long term evaluation of mass releas
Page 136 and 137: DEVELCHENT OF HYBRID ~ IN THAILAN>
Page 138 and 139: Table 2. Quantity and value of Thai
Page 140 and 141: was approved by KU and OOA in 1991
Page 142 and 143: Table 8. Mean yields of fresh dehus
Page 144 and 145: 4. Prevention and control of aflato
Page 146 and 147: Table 17. Mean grain yield and agro
Page 148 and 149: Sittipanuwong, S., C. Chutkaew, A.
Page 150 and 151: Early rainy season plantings have a
Page 152 and 153: P. R.CHINA TMilAKD CAMPUCHiA
Page 154 and 155: In 1992, the hybrid maize acreage i
Page 156 and 157: organizing visits as well as field
Page 158 and 159: Table 1 Area, production and yield
Page 160 and 161: plants per hill) 4. Intercropping e
Page 162 and 163: VIEl1'W4 YELLOW MAIZE EXRRT: MARKET
Page 164 and 165: 6,------------------~3,5 Producllon
Page 166 and 167: MAIZE BREEDUG Arnel R. Hallauer-L!
Page 168 and 169: method was provi ded by Eberhart (1
Page 170 and 171: can vary by the complexity of inher
Page 172 and 173: Table 3. Response to selection for
Page 174 and 175: Table 5. Comparative responses for
Page 176 and 177: increased response for grain yield.
Page 178 and 179: Sure Crop (0h43 and C103). several
Page 180 and 181: Sprague and Tatum (1942) demonstrat
Page 182 and 183: Horner, E.S., E. Magloi re, and J .
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evaluation are conducted in only on
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Table 1. Maize: Production Unit 100
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Table 3. Maize: Area harvested Unit
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v) Incentives to private sector are
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possible through adoption of suitab
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will be described highlighting thos
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will fluctuate. As a general rule,
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help of maize breeders from the nat
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Table 4. Possible heterotic partner
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use as OPVs and broad based synthet
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c. Integrat;on of populat;on ;mprov
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Table 8. Announced CIMMYT lines 199
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HYBRID MAIZE ~ 1l£ SMALL-SCALE FNI
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Table 2. Growth rate of maize area
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At the same time that CIMMYT was sh
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when grown under farmers' condition
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seed often varies substantially bec
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kilograms of maize grain that must
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Table 8. COst of producing, process
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case in which the hybrid replaces a
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J i-----1'-_.,-_I........ i M*iIBia
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egions which do not allow a suffici
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participation; where foreign compan
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Wellhausen, E.J. Walden (ed.) 1978.
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To recover value, seed companies ca
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In recent years, many new companies
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nology and its reliance on patents,
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Table 6. Intellectual property righ
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for crop improvement programs. It i
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capabi 1ities Despite these constra
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TftNlAlll CAMPUCI-1iA Fig. 1. Seven
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* Yield potential of 8.0 t/ha. II.
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CAOOILL MAIZE RESEAFDI ACTIVITIES I
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RESEARCH AN> POTENTIAL OF HYBRID (X
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ClBA SEEDS IN SJJ11£AST ASIA. Jose
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ACTIVIlY OF MAHYOO IN INJIA Rajendr
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PACIFIC SEEDS - PlANT ~ FOO ASIA Pe
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Questions to the author: FROM: R. S
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Just start In 1980 the demonstratio
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VOLUME 1000 IQnt/ 10.--------------
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(Notes by Dr. V.L. Chidley, Raporte
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1. Rhizoctonia leaf and sheath blig
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