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

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Table 2. CCRI maize hybrid yield trial. Swat 1992. Ent ry Grain yield 75% silk Plts./ha Ears/ha (kg/ha) (days) PSH-157 9990 61 54,333 51,000 PSH-107 9853 61 55,000 48,667 PSH-817 9648 61 54,333 49,333 PSH-217 9290 61 55,333 49,667 PSH-2912 9138 61 50,000 48,000 PSH-1229 8488 61 51,667 45,667 PSH-307 8105 61 48,333 42,667 PSH-1512 7798 61 52,333 45,667 Sd. (Y) Check-1 7103 62 52,667 44,333 Kisan Check-2 7093 61 43,667 40,667 LSD (0.05): 1390 C.V. (%) : 11 .08 Table 3. CCRI maize hybrid yield trial. Serai Naurang, 1992. Entry Grain yield 50% silk Plts./ha Ears/ha (kg/ha) (days) PSH-l07 4372 51 86,166 50,499 PSH-217 4303 50 76,833 56,166 PSH-817 4157 48 71 ,499 53,666 PSH-1229 4142 50 91 ,991 63,666 PSH-2912 4013 49 93,999 67,666 PSH-1512 3938 50 68,333 55,166 Kisan 3863 47 56,499 50,000 PSH-307 3817 50 91 ,991 68,499 Sarhad Y 3738 49 68,393 48,833 PSH-157 3675 51 75,333 52,333 LSD (0.05): 1390 C.V. (%) : 11 .08 Table 4. CCRI hybrid maize yield trials across five locations. Northwest Frontier Province, Kharif, 1992. Variety Swat Grajn yield (kg/ha) Mansehra Pirsabak S.Naurang D.I.Khan Mean PSH-107 PSH-817 PSH-157 PSH-217 PSH-307 9853 9648 9900 9290 8105 6133 6667 5433 4567 5067 3763 3494 3457 2823 3133 4372 4157 3675 4305 3817 6667 5733 6000 6567 6933 6158 5940 5693 5510 5411 PSH-1229 PSH-1512 PSH-2912 Kisan (Check-2) Sarhad Y (Check-1 8488 7796 9138 7093 7103 4933 5600 4267 5400 3767 2843 4400 3653 2583 3050 4142 3938 4013 3863 3738 6300 4867 5033 4833 5200 5341 5320 5221 4754 4572 LSD (0.05): C.V. (%): 1390 11 .08 1456 19.29 N.S. 16.0 22.34 1329 15.76 92
Table 5. National cooperative maize yield t ria1 (short season) in four locations. Kharif, 1989. Grain yield (kg/ha) Vari et y CCRI Swat Mansehra S.Naurang Mean PSH 817 5597 7550 5296 4036 5619 P 3747 3830 9460 5430 2121 5210 P 31827 3890 9333 5340 1923 5121 PSH 107 3393 8110 4650 4100 5063 YEV 1081 4393 7503 4140 3466 4875 YEV 1085 4667 7313 4646 2676 4825 PSEV 4085 5017 7070 3596 2580 4565 Local check 4070 6963 4193 2750 4501 Gaughar 3610 6607 3686 2756 4164 LSD (0.05): 1276 1501 1322 680 C.V. (% ) 20.48 13.2 19.9 15.9 Questions to the author: FROM: S. J. Patil Q Can you prioritize the reasons for a wide gap between the experimental yield and the national average? A 1) Seed production of improved cultivars is number one problem, i.e., viable seed industry must be established. 2) Agric. Extension Service should be mobilized and take the appropriate technology to the small farmers. 3) Availability of credit be made available to small farmers on easy terms, and so on. 93
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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
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 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 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
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
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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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