Abstract
Sixty four wheatgenotypes were tested in 8x8 simple lattice design at Ginchi, West Shewa in 2012/13 cropping season,.The overall objective was to study the to assess the association among yield and yield contributing traits and identify traits those have the most direct and indirect effects on grain yield.. Analysis of variance revealed that there was a significant difference among the sixty four genotypes for all the characters studied.Grain yield had positive correlation with grain filling period, number of productive tillers per plant, spike length, number of spikelets per spike, number of kernels per spike, , 1000 kernel weight, biomass yield per plot, hectoliter weight and harvest index at both phenotypic and genotypic levels. Path coefficient analysis showed that biological yield, thousand kernel weight, harvest index and number of kernels per spike showed positive direct effect. Among these characters biological yield, thousand kernel weight, harvest index and number of kernels per spike had positive correlation with grain yield in the process of selection much attention should be given to them as these characters are helpful for indirect selection.
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