Proceedings of the Fifth Asian Regional Maize Workshop - Search ...

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Table 3. Res.Stat. Multilocational testing sites in Nepal. Elevation (masl) Annual rainfall (IMI) Rampur Khumaltar ·Parwani pur Lumle Pakhribas Khai renitar Surkhet Nepalganj Doti Jumla Kavre Kakani Tarahara Janakpur 228 2000 1360 1200 115 1750 1520 5600 1770 800 525 3000 500 181 1300 1360 900 2387 600 1700 2121 2600 233 1700 93 1600 fertilizer dosages fails to take into consideration the different traditional methods of soil fertility management praticed by the farmers. Table 4. Grain yield (t/ha) of maize varieties evaluated at low altitude. Rampur, Surkhet, Nepalganj. Varieties 1987 1988 1989 1990 Mean Rampur 1 2.04 2.50 3.87 3.88 3.07 Rampur 2 2.16 3.57 3.93 3.22 Rampur composite 2.24 3.05 4.29 3.19 Arun 1 1.97 2.46 3.44 3.73 2.90 Arun 4 2.03 3.14 3.94 3.82 3.23 Arun 2 1.87 2.76 3.73 3.73 3.02 Farmers' local 1.01 2.59 2.66 2.85 2.28 The response to nitrogen fertilizer in maize is very high. Split applications of nitrogen, half as basal and the remaining half as a side dressing at the knee-high stage of maize have shown the highest yield potential. The use of 30-40 kg N/ha as side dressing at the knee-high stage With sufficient quantity of FYM/compost as basal applications is useful to maize for rainfed conditions. The yield response of the improved varieties with the same agronomic production practices (improved/farmer) is comparatively higher than local varieties in farmer's fields. 84
Table 5. Grain yields (t/ha) of maize varieties evaluated at low altitude. 8unIner 1990. Varieties Chitwan SUrkhet Nepalganj Mean Rampur 1 1. 74 2.20 2.66 2.20 Rampur Comp. 2.08 2.08 3.63 2.60 Arun 1 1.99 1.67 2.81 2.16 Arun 4 2.15 2.05 3.81 2.67 Arun 2 1.91 1.72 3.73 2.45 Farmers' local 2.11 1.91 2.38 2.13 F test (at 0.05~ level of signif.) NS •• •• c:v ~ 15.5 22.41 7.25 LSD (0.05) t/ha 0.395 0.227 Table 6. Grain yields (t/ha) of varieties evaluated at mid to high altitude. Khunaltar, Lumle, Kavre and Pakhribas. Varieties 1987 1988 1989 1990 Mean Manakamana 1 3.27 4.11 4.47 4.72 4.14 Manakamana 2 3.96 4.52 4.65 5.67 4.70 Khumal Yellow 3.85 4.12 3.92 3.31 3.SO Ganesh 2 4.33 4.34 4.61 4.43 Farmer's local 2.76 4.19 3.77 4.38 3.77 Table 7. Yield performance (t/ha) of maize varieties evaluated in hill research stations. Varieties Lumle Pakhribas 1990 1991 Kakani Yellow 5.24 Ganesh 4.57 Arun 1 3.67 Arun 2 3.51 Arun 4 3.23 Manakamana 1 3.94 Manakamana 2 3.28 Khumal Yellow 3.06 Rampur 2 3.55 Rampur Comp. 2.92 Pool 9A 4.37 Local 3.58 4.57 5.35 4.30 4.59 3.59 4.01 3.91 4.11 2.10 5.00 4.05 5.10 3.67 3.95 4.88 5.93 2.03 5.78 85
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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
Page 40 and 41: 100,000 mu (1 ha = 15 mu). Fran 198
Page 42 and 43: + The planting area of inbred line
Page 44 and 45: ty levels. Selection interia should
Page 46 and 47: Dao13, Oa19, SSE232 etc.). b. combi
Page 48 and 49: ~ZE I~ IN IN>IA - AN OVERVIEW WITH
Page 50 and 51: inbred 1ines possessing good genera
Page 52 and 53: Table 3. Details of medium and earl
Page 54 and 55: increasing the yield levels of the
Page 56 and 57: Production of ~zygous diploid inbre
Page 58 and 59: EntQllOlogical research. In the fie
Page 60 and 61: A 1) OUr coordinated efforts for ma
Page 62 and 63: Table 1. Maize area harvested, proW
Page 64 and 65: Table 4. Grain yield of Semar 1 and
Page 66 and 67: ut they have been selecting ears fr
Page 68 and 69: MAIZE ~ N«J ~ION IN LAOS. Kanyavon
Page 70 and 71: to rice in order to reach self-suff
Page 72 and 73: 0\ 0\ ."'0- ~I.u'. u: 0 50 100 STAT
Page 74 and 75: . According to the findings of the
Page 76 and 77: IR:EDIIIG IHJ N:RHJotIC RESEAfDI C
Page 78 and 79: tion with estate or mini-estate typ
Page 80 and 81: Table 4. MYR grain maize yields ove
Page 82 and 83: 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 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 134 and 135: Chang, S.C., and Y.Z. Wu. 1976. Pra
Page 136 and 137: DEVELCHENT OF HYBRID ~ IN THAILAN>
Page 138 and 139: Table 2. Quantity and value of Thai
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was approved by KU and OOA in 1991
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Table 8. Mean yields of fresh dehus
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4. Prevention and control of aflato
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Table 17. Mean grain yield and agro
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Sittipanuwong, S., C. Chutkaew, A.
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Early rainy season plantings have a
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P. R.CHINA TMilAKD CAMPUCHiA
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In 1992, the hybrid maize acreage i
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organizing visits as well as field
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Table 1 Area, production and yield
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plants per hill) 4. Intercropping e
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VIEl1'W4 YELLOW MAIZE EXRRT: MARKET
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6,------------------~3,5 Producllon
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MAIZE BREEDUG Arnel R. Hallauer-L!
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method was provi ded by Eberhart (1
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can vary by the complexity of inher
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Table 3. Response to selection for
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Table 5. Comparative responses for
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increased response for grain yield.
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Sure Crop (0h43 and C103). several
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Sprague and Tatum (1942) demonstrat
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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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