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Final version of Tropical Legumes II Project Report for Phase 1 - icrisat

Final version of Tropical Legumes II Project Report for Phase 1 - icrisat

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IT00K-1263 because <strong>of</strong> its per<strong>for</strong>mance while in West Africa farmers in parts <strong>of</strong> Nigeria, Niger and Mali<br />

selected IT97K-499-35 because <strong>of</strong> its per<strong>for</strong>mance and Striga resistance.<br />

Support <strong>for</strong> nationally coordinated cowpea trials in Nigeria<br />

In Nigeria, TL <strong>II</strong> supported the nationally coordinated cowpea trials during 2010. Any crop variety<br />

that will be released in the country must go through a nationally coordinated research <strong>for</strong> the crop.<br />

Based on the line’s per<strong>for</strong>mance across locations and years, it could be recommended <strong>for</strong> release.<br />

Data collected from these trials will be used to prepare the dossiers that accompany the lines being<br />

nominated by the breeders <strong>for</strong> release. Tables 5-5 and 5-6 show the per<strong>for</strong>mances, in terms <strong>of</strong> grain<br />

yield and Striga resistance <strong>of</strong> some breeding lines that were evaluated nationally in year 2010. These<br />

were further evaluated in 2011 and some <strong>of</strong> them qualified <strong>for</strong> release when presented to the national<br />

committee <strong>for</strong> crop variety release in the country in December 2011.<br />

Table 5-6: Grain yield (kg per ha) <strong>of</strong> cowpea varieties in the short duration Nationally Coordinated trial at seven<br />

locations in Nigeria in 2010.<br />

Genotype Abeokuta Ibadan Kano<br />

Location<br />

Makurdi Sabongari Samaru Tilla Mean<br />

IT99K-573-1-1 1205 365 2145 2162 1420 1457 810 1366<br />

IT99K-573-2-1 1157 291 1640 1955 1210 1615 729 1228<br />

IT04K-332-1 1186 211 2049 2258 1048 1180 559 1213<br />

IT04K-333-2 1029 253 1933 2222 1092 1148 741 1202<br />

IT97K-499-35 1152 300 2202 2227 1161 909 373 1189<br />

IT98K-506-1 1099 312 1139 2129 1006 1363 601 1093<br />

IT99K-1060 542 235 1956 2326 1338 700 444 1077<br />

IT96D-610 1334 539 607 1941 1100 998 596 1017<br />

IT99K-491-7 1035 271 1660 1685 1141 843 308 992<br />

IT97K-568-18 647 278 1430 1464 1036 537 438 833<br />

Mean 1039 306 1676 2037 1155 1075 560 1121<br />

Probability 0.2370 0.4262 0.0037 0.0096 0.1370 0.0179 0.2135

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