Studies on genetic variability, interrelationships association and path analysis in indigenous germplasm of Lentil in Madhya Pradesh, India
One hundred thirty nine lentil germplasm lines (collected from different parts of Madhya Pradesh) including 3 checks were studied for seed yield and its components for estimating genetic variability and correlation co-efficient. Analysis of variance for seed yield and its component showed significant differences among the genotypes for all ten traits. High heritability estimates were observed for all the traits except number of primary branches per plant. In general phenotypic coefficients of variation were greater than their corresponding genotypic coefficients of variation. High estimates of heritability coupled with high genetic advance and moderate to high GCV were observed for total number of pods per plant, number of effective pods per plant, number of seeds per plant, number of seeds per pod, 100 seed weight and seed yield per plant indicating that selection in such traits might be effective. Seed yield per plant exhibited positive and highly significant correlations with days to maturity, plant height, number of primary branches per plant, number of secondary branches per plant, total number of pods per plant, number of effective pods per plant, number of seeds per plant and number of seeds per pod. Path coefficient analysis showed that number of effective pods per plant, number of seeds per plant, and 100 seed weight showed maximum and positive direct effect on seed yield per plant. Hence these traits could be used for the improvement of seed yield resulting in the evolution of high yielding varieties of lentil.
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