the Symposium on Wheats for More Tropical Environments - cimmyt

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98Table 2. Adnnc:ed line. of bread wheat, I.e.rly or earlier in maturity than Sonalika butwith better yield potential, Ciudad Obregon, Mexico, 1983-84CrOSland pedigreeYieldKg/h. °/0 of Day. toSonalik•.!! m.turityChukar"S"/H02172 6498 124 115CM68199·1 OY1 M-1V-1 M-OVVeery"S"/Huacamayo''S''/lWoodpecker''S''/NAC 6374 122 113CM68810·B-1 V·1 M·2V·1M-OYVeeryS"/Huacamayo''S''/lWoodpecker''S''/NAC 6296 120 113CM6881 0-B·1 V -1 M·2V·2M·OVBluebird/CN067/5/FNITH*3/11144.29/ 5487 117 112*2TH/31*4CTFN/4/SR/6/PVN"S"CM46712-1 V-1 M-1V-1V·OMTOB/CN067/ITOB/8156/3/Calidad//Bluebird/ 5770 115 115CN067/4/BB/INIAl5/Alondra''S''CM59177·1M-1Y-1M-4V-1 M-OVBluebird/CN067/5/FNITH*31/1144.29/ 5281 113 112*2TH/31*4CTFN/4/SR/5/PVN"S"CM46712-1 V-1M-1V-2V-OMHI669/41T0rdo''S''/HD832*2/ITOB/31T0rdo''S''/ 5692 110 1142*H0832CM6255O-1 Y-1 M·2Y-1 M-3V-1 M-OVManantiaIIlCN067/PJ/3/NAC/4/Emu''S''·00ugga 5379 107 113CM60960-B-1 Y-4M-1 Y-4M-1 Y -1 M-1 Y -1 M-oVAlondra''S''/ Altar''S'' 5634 107 113CM68045-3Y-1 M-1 V -OMVaco''S'' 4958 106 113CM41195-A-13M-2V-3M-1Y·1M-OYH0669.1 B/Chiroca''S'' 4677 104 113CM62536-5V-1 M·1 Y -3M-1 V-1 M-OYIAS54/AIondra''S'' 5932 103 115CM56805-3Y-1 Y-4M-1 V·1 M-1 y-oMCOC/Bluejay''S''IINAC/Buckbuck''S'' 5307 103 115CM63992·5M-1V-1M-7V-1M·3V-oMRedpoll/Ani''S''I/PVNlVeery''S'' 5363 102 114CM68735-1-4Y -1 M-3V·3M-OVSonalika (early check) 115~/ Percent of Sonalika for <strong>the</strong> respective yield trial
97Table 3. Best advanced lines of bread wheat resistant to Helminthosporium sativum,Poza Rica, Mexico, 1983-84Disease score!} DiseasedCross and pedigree Heading Flowering Milk grainstage (°/0)JUP/4/7C/Pato(B)/3/LR64/INIAIIINIAIBluebird/51ANA 3 4 10CM37760-C-21 Y-2M-l Y-3M-9Y-OMRD2206/Hork"S" 2 3 4 20CM39808-58M-2Y-4M-l Y -1 M-lY-OBLira''S'' 2 3 4 15CM43903-H-4Y-1 M-l Y-3M-2Y-OBLira"S" 2 4 5 16CM43903·H·4Y-1 M-lY-3M-3Y-OBCI14227/TRMIIMadeira''S'' 2 4 4 14CM47943-V-5M-3Y-l M-1Y-OYAlondra"S"/IAS58 3 4 5 16CM53481~Y -1 Y-4M-1Y -1 M-1Y-oMBluejay"S"IITOB/Chanate 2 3 5 12CM55912-1 OY-3Y-1 M·3Y-2JO-OJEVeery"S"/Sunbird''S'' 2 3 4 12CM61981-4Y -1 M~Y-3M-oYH1669/4/Tordo''S''/2*HD832/ITOB/31Tordo"S"!*2HD832 3 4 4 10CM62550-1 Y -1 M-2Y-1 M-lY-OMKea''S''/4/Kalyansona/BluebirdIICJ"S''/3/Alondra''S'' 2 3 4 18CM64617-9M-l Y-l M-l V-OMAUlUP3011IGallo/SX/3/Pewee"S"/4/Maipo"S"/Maya"S"I/Pewee"S" 3 3 5 12CM67245-C·l M-2Y-1 M·3Y-OMAntbird''S''/Yaco"S'' 2 4 6 12CM67618-2Y-3M-3Y-2M-OYBHl146 (resistant check) 2 4 5 20CIAN079 (susceptible check) 5 6 9 58!o/ Scoring scale 0 to 9 (0 = highly resistant, 9 = highly susceptible)
Page 2 and 3:
The International Maize and Wheat I
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3AcknowledgementsThe Tropical Wheat
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5Wheat Production in Bangladesh: It
Page 9 and 10:
7Chemical Control ofHelmtn.thosport
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1 9PrefaceThe international worksho
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uToluca, a high-elevation station a
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13In Bangladesh. many farmers' fiel
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global cooperation that permits apo
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17Recognizing the
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19With UNDP assistance. CIMMYTexpan
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4 21Introduction to the</st
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23grain-filling stages are required
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Table 1. Countries growing whut in
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27Month of sowing and month afterfl
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29. Table 3. Correlation coefficien
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31Earliness-Earliness is needed if
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33requires more than technical solu
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3~from other crops
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37Table 2. Advanced lines selected
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39If Bol1via does not radically cha
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41Table 5. Water efficiency utiliza
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4320-year period. Also indicated ar
Page 47 and 48: Table 2. (Con't)Cross and pedigreeN
Page 49 and 50: 47respectively. for central AlaJuel
Page 51 and 52: 49Table 1. Climatological data, Fra
Page 53 and 54: 51Wheat Research in the</st
Page 55 and 56: 53Table 3. Average yield of best wh
Page 57 and 58: Selection of Wheats forSubtropical
Page 59 and 60: Nigeria is high temperature. South
Page 61 and 62: 59Wheat Production in Bangladesh:It
Page 63 and 64: 61Research PrioritiesVarietal devel
Page 65 and 66: 63Wheat Improvement Programsfor <st
Page 67 and 68: 65In India, a series of wheat varie
Page 69 and 70: 67in temperature are capable of cau
Page 71 and 72: 69primarily due to a lack of financ
Page 73 and 74: 71Triticale ImprovementRegular bree
Page 75 and 76: 73The climate in this region is war
Page 77 and 78: 75Recently, the pe
Page 79 and 80: 77Variety improvement must also bec
Page 81 and 82: 79those areas that are suitable for
Page 83 and 84: Wheat Growing in the</stron
Page 85 and 86: 83Thailand Winter Cereals ProgramP.
Page 87 and 88: Many farmers are now exploring <str
Page 89 and 90: 87crop is present, and known. at pl
Page 91 and 92: 6 ~89Contributed PapersI. BreedingB
Page 93 and 94: 91area at flowering. Vegetative vig
Page 95 and 96: 93of the plants se
Page 97: Screening for tropical adaptationTh
Page 101 and 102: 99Table 4. Highest yielding advance
Page 103 and 104: 101very late, high temperatures at
Page 105 and 106: 103hence, select for drought tolera
Page 107 and 108: 106References1. Anonymous. 1972. Wh
Page 109 and 110: 107Breeding Wheats for Heatand Drou
Page 111 and 112: 109unit area. However, looking at s
Page 113 and 114: 111Identifying Wheats Adapted to Mo
Page 115 and 116: 113standard date for sowing. In spi
Page 117 and 118: 115transferred into high-yielding a
Page 119 and 120: 117Table 1. Chemical properties of
Page 121 and 122: 119• Resistance to shattering•
Page 123 and 124: 121References1. Araujo. J.E.G. 1949
Page 125 and 126: 123hours of sunlight monthly. Altho
Page 127 and 128: 125Screening Wheats for QualityA. A
Page 129 and 130: 127Wide Crosses and New Genesfor Wh
Page 131 and 132: 129The introduction of alien geneti
Page 133 and 134: 131averaged about 2.5 tonslha. Howe
Page 135 and 136: 133must also demonstrate a yieldadv
Page 137 and 138: 135II. Diseases and Disease Control
Page 139 and 140: 137beaker with 200 ml sterilized di
Page 141 and 142: 139Table 1. (Cont'd)Resistance reac
Page 143 and 144: 141Identification ofSources of Resi
Page 145 and 146: 143References1. Adlakha, K, RD. Wil
Page 147 and 148: Breeding Wheats with Resistanceto H
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147conditions. whereby infectionper
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149CIMMYT Methods for Screening Whe
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151Selection under Field Conditions
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153February. Environmental conditio
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156Each trla1 had two replications
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157References1. De Milliano. W.A.J.
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159Shinchunaga and descendants). se
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161Wheat Breedingfor Scab Resistanc
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163References1. Andersen. A.L. 1948
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16526. Luzzardi. G.C.. C.R. Pierobo
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18748. Nisikado. Y. 1958. Studies o
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Head Scab Screening Methods Used at
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171Wheat spikes are spray-inoculate
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173Reference.1. Bekele. G.T. 1984.
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1'71SThe species and varieties with
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177suspension. This method has prov
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179How the pathoge
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18112. Takegami, S. 1961. Proceedin
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183Documented Foot RotDlseaBes in W
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185References1. Anderson. N.A. 1982
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187against leaf rust by the
Page 191 and 192:
-188Distribution and Importance ofR
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191Surprisingly. little or no stem
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193temperatures. but this differenc
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19~14. Lapis. D.B. and M.C. Kamatoy
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197According to a new criterionesta
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199Loss in yield is directly propor
Page 203 and 204:
Chemical Control ofHelminthosportum
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203H. sattvum on foliage and heads
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205Table 1. Mean number of lesions
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20'7Table 4. Effect on lelf spot in
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209III. AgronomyPhysiological Limit
Page 213 and 214:
Table 1. Actual and pouible wheat1l
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213Table 2. Wheat yield determinati
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216unpublished). A role of thumb de
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217seasonally and cloudiness persis
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219developmental periods. to around
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221Growth at high temperaturesEarly
Page 225 and 226:
CertainlY crop growth rates in exce
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225rice, another C
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227105% that of C306 for th
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22913. Fischer. RA.. I. Aguilar. R
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Soil Management as an Alternativefo
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233water content in the</st
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23~Tolerance to soil aciditySoil ac
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237applied without increasing <stro
Page 241 and 242:
The Cerrados: Future WheatProductio
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241there is utiliz
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243• Ammonium sulfate [(NH4)2S04]
Page 247 and 248:
245Physical Soil ProblemsThe soils
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247program. these
Page 251 and 252:
249References1. Commisao Norte Bras
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251was rather poor
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253Tolerant vartettes-The yield ofv
Page 257 and 258:
255Alternative locations-An evaluat
Page 259 and 260:
257Wheat Production Constraintsand
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259numerical grading which showed <
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261directed towards minimum loss of
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'.2636. Cheng, C.P. 1977. Wheatprod
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Wheat in Rice...BasedCropping Syste
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267Rice varietiesAs mentioned above
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269A problem of declining yields ha
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271_.z.:::-~:J.."•._,:.\--_.r+++v
Page 275 and 276:
273Agronomic Practices and Problems
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275water percolation in rice. For w
Page 279 and 280:
277Rice-Wheat Cropping Systemsin So
Page 281 and 282:
279Table 1. Yield and economic retu
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281was higher with the</str
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283to compete with othe</st
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for tropical environments. Highesta
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287can be used. The computer is a u
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289The computer has become a valuab
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291IV. SeedWheat Seed Production,St
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293On average, no more that 100 mm
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295Storage in 20-liter biscuit or k
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Production, Storageand Marketing of
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299true to type. are selected and t
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301discussed and ascertained; <stro
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303V. EconomicsWheat in the
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305than in Asia and Africa (about 1
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307wheat consumption). However, <st
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309These changing consumption patte
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311Finally. it should be clarified
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313in areas where wheat yields arer
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31510. FAO. 1982. The bread economy
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317Lowlands withinadequate dry-seas
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319Table 1. Private and social prof
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The Local-Use Approach to t
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323fired oven has been used at oneu
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325ControlliDg fungal diseasesThe i
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The Relative Priority andEconomics
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329Comparative MarketPrices of Stap
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331References1. Agricultural Extens
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Table 1. Area, average yield and to
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Table 3. Annual domestic wheat prod
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337Table 5. Financial costs of whea
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Comments'D.L. WiDkelmaDll, DIrector
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7341------_1Closing Remarks, <stron
Page 345 and 346:
343Table 1. Probleml for th
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345While efforts to develop wheatge
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347Appendix IIWheat Pests and Disea
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349Appendix IIIParticipants. <stron
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351NigeriaMr. Ahmed M. FalakiResear
Page 355 and 356:
353CIMMYT Staff. MexicoMr. Robert D
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