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

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VOLUME 1000 IQnt/ 10.-----------------------------, 8 - 8 17" 8 ...-- 4800 (-------------:-r-.--------.-..-_...-.------.... 1880 2 ---141r-----·",...-:=--------1313---- 121 oL..iIi. __ 801 1888 ,.81 YEAR ,..0 Itt' ,tt2 _ TOTAL PHT SALES -4- TOTAL HVBRID REQUIREMENT IN THAILAND 'OVRCl I 'IOIIUR HI-IRU ItHAILAH.' co. U,. I'H') Fig. 1. Total PHT sales and total hybrid requirement in Thailand. Table 3. Present situation of hybrid corn in Thailand. 1. Highly competitive in product development. 2. Good knowledge among hybrid corn farmers: - demand specific hybrid - want better hybrid and are willing to pay more. 3. Some mechanized: - planting - spraying 4. High population density: - 62,500 plant/ha 5. Fast adoption of hybrid seed: Year Est. tons 1988 1,700 1989 3,000 1990 5,000 1991 6,000 1992 8,000 1993 10,000 (30% of total seed requirement). 6. Adoption of fertilizer: - basal application top dressing application. 256
CUestions to the author: FR:lM: F. Kasim Q What is the policy of private sector for hybrid developtargeted to marginal envi rorvnents such as acid soi1s? A We need to clarify what we mean by marginal. If marginal means a small area then it will be addressed accordingly, if it is a large area then we will allocate resources needed. Envi rorvnents are evaluated based on market opportunity and not on the degree of challenge to providing product for that market. FROM: M. Morris Q Does Pioneer have "rules of thumb" for defining potential markets (in terms of minimum area, nunber of farmers,or voll.lll8 of seed sales)? A No, Pioneer does not have "rules of thumb" for nunber of farmers, or volune of seed or minimum area. If we can leverage our resources and provide products profitably to farmers, then the "size" is not a determining factor. .. FR:lM : Derek Byerlee Q Do you have intellectual property rights for single crosses in Thailand? A No, we do not. This matter is in the process of being settled. .But we have informal punishment as a social punishment. FR:lM R. S. Paroda Q What is the policy of the government for promoting single crosses in Thailand? A The trend of hybrid adaptation is single cross (SX) hybrid. SO Thai government has to support SX hybrid to produce higher Yield, otherwise we will import corn grain very soon. 257
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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
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Table 1. Total area under maize and
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Year Township Area planted Total pr
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cover, short plant stature, and sat
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Table 3. Res.Stat. Multilocational
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3. Plant protection: a. Diseases Th
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Questions to the author: FROM: S. K
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were unacceptable in some parts due
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Table 2. CCRI maize hybrid yield tr
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HYBRID MAIZE BREEDlt.G AN> ALH»DII
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of highly productive technologies,
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Maize varietal improvement continue
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Peronosc lerospora phi 1ippinensis
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elow to help clarify the farm level
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Premium Grade (emulsifiable concent
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support. The versatile planter/fert
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Table 1. Climatic conditions in the
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T1l1t:i----------------------------
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the maha season. Yala season is cha
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. Spacing Blackgram Maize 40 em x 5
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Sri Lanka. Ariyanayagam, R. P. 1967
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It took almost 10 years to develop
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g; CUS0 4 (5H 2 0): 0.39 g; NaF: 0.
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3. Making single cnosses: Plant the
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experiments showed that the fertili
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Long term evaluation of mass releas
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Chang, S.C., and Y.Z. Wu. 1976. Pra
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DEVELCHENT OF HYBRID ~ IN THAILAN>
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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
Page 212 and 213: At the same time that CIMMYT was sh
Page 214 and 215: when grown under farmers' condition
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Page 218 and 219: kilograms of maize grain that must
Page 220 and 221: Table 8. COst of producing, process
Page 222 and 223: case in which the hybrid replaces a
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Page 226 and 227: egions which do not allow a suffici
Page 228 and 229: participation; where foreign compan
Page 230 and 231: Wellhausen, E.J. Walden (ed.) 1978.
Page 232 and 233: To recover value, seed companies ca
Page 234 and 235: In recent years, many new companies
Page 236 and 237: nology and its reliance on patents,
Page 238 and 239: Table 6. Intellectual property righ
Page 240 and 241: for crop improvement programs. It i
Page 242 and 243: capabi 1ities Despite these constra
Page 244 and 245: TftNlAlll CAMPUCI-1iA Fig. 1. Seven
Page 246 and 247: * Yield potential of 8.0 t/ha. II.
Page 248 and 249: CAOOILL MAIZE RESEAFDI ACTIVITIES I
Page 250 and 251: RESEARCH AN> POTENTIAL OF HYBRID (X
Page 252 and 253: ClBA SEEDS IN SJJ11£AST ASIA. Jose
Page 254 and 255: ACTIVIlY OF MAHYOO IN INJIA Rajendr
Page 256 and 257: PACIFIC SEEDS - PlANT ~ FOO ASIA Pe
Page 258 and 259: Questions to the author: FROM: R. S
Page 260 and 261: Just start In 1980 the demonstratio
Page 264 and 265: (Notes by Dr. V.L. Chidley, Raporte
Page 266: 1. Rhizoctonia leaf and sheath blig
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