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COMBINING ABILITY FOR EXOTIC TOP CROSSES OF CORN OF GENERAL ESTAMITE | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 20, Issue 1, 2015, Pages 0-0 | ||
| Authors | ||
| J. N. Mahmoud; D. P.Youssef; M.I. Alsafar | ||
| Abstract | ||
| Afield experiment was conducted in full season 2004 to compared and test 192 top cresses in S3, in cooperation program with International Maize and Wheat Improvement Center (CIMMYT) Top crosses under investigation were compared with four varieties as check( two represents local Single cross 95 and al-Masara–open pollinated ,and the others two CIMMYT hybrids).The objective of this study was to screen and select germplasm that had good performance general combining ability and continuing breeding programs to develop new inbred lines suitable for hybrid seed production ant to extend the genetic bas for corn crops throughout utilizing the geographically and genetically base. Each 12 top crosses and four check varieties consider orthogonal experiment. The results analysis with Randomized Complete Block Design, Result showed significant for all traits Ander Investigation. Twenty nine top crosses produced highest number ear /plant ,sixteen top crosses produced highest average of kernel number/ear, fifteen top crosses given highest average of 300 gm. kernel weight, Twenty two top crosses produced highest yield/plant. Crosses that had good performance analyzed in the statistical design and the result showed that sixteen top crosses to take part more than two traits. | ||
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