Genetic effects for grain yield and its related traits in doubled haploid lines of wheat
2010
Ojaghi, J. (Baku State Univ. (Azerbaijan). Dept. of Genetic and Darwinism) | Akhundova, E. (Baku State Univ. (Azerbaijan). Dept. of Genetic and Darwinism)
The inheritance of grain yield and its components (number of spikelets per spike, number of tillers, number of grains per spike, plant height) has been studied through a full diallel cross of eight doubled haploids in bread wheat from CIMMYT, Mexico. Regression analysis, average degree of dominance and estimates of narrow sense heritability revealed additive type of gene action for number of grains per spike and plant height and over dominant type of gene effects for number of spikelets per spike, number of tillers. Correlation analysis of dominant genes with the phenotype of the parents revealed recessive gene control for number of tillers, while dominant gene control appeared to account for rest of the traits studied.
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