Genetical studies in common wheat (Triticum aestivum) [Egypt]
1986
Abul-Naas, A.A. (Menoufeya Univ., Shebeen-El-Kom (Egypt). Faculty of Agriculture) | El-Hosry, A.A. | Sakr, M.M.
A half diallel set of crosses involving the six parental lines were used to estimate the type and relative amount of genetic variance components for grain yield per plant, number of spikes per plant, number of kernels per spike, 1000- kernel weight, protein percentage, and gluten content. Significant additive type of gene action was detected in all cases. With the exception of number of spikes per plant, significant dominance effect was detected in all traits. Studies of nature and degree of dominance revealed the existence of over dominance for all traits except number of spikes per plant where partial dominance was the case The negative and possitive alleles were unequally distributed among the parental population in all cases except the grain yield/ plant. High estimates for heritability in the broad sense were accompanied by moderate to low values for the narrow ones were obtained for most traits.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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