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Genetical Analysis of Self-Fertilized Generation Variances in Two Durum Wheat Crosses | ||
| Rafidain Journal of Science | ||
| Article 6, Volume 23, Issue 6, 2012, Pages 68-82 PDF (0 K) | ||
| DOI: 10.33899/rjs.2012.59623 | ||
| Authors | ||
| Nabeel T. Al-Badrany; Najeeb K. Yousif; Ghada A. Al-Hamdany | ||
| Abstract | ||
| Phenotypic variance in parents and third generation were analyzed to estimate the additive genetic variance, dominance genetic variance, environmental variance, average degree of dominance, heritability in broad sense, heritability in narrow sense and expected genetic advance from selection in F3 generation, of two crosses in durum wheat (Triticum durum Desf.), the first cross between Azeghar-1 and Um-Rabie-5 and the second cross between Leeds and Waha for traits, heading time, flag leaf venation, plant height, peduncle length, number of spike, spike length, grain yield, 100 grains weight and number of grains per spike. Average degree of dominance revealed the different types of dominance for the studied traits, the values of narrow sense heritability were high for plant height, peduncle length, number of spikes, grain yield and number of grains per spikes in both crosses, spike length and weight of 100 grains in first cross, and flag leaf venation in second cross. | ||
| Keywords | ||
| Heritability; expected genetic advance; Durum wheat | ||
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