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Genetic Improvement of Chickpea (Paperback)
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Genetic Improvement of Chickpea (Paperback)
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The present work deals with variability, correlation,
path-coefficient and selection index for eleven quantitative
characters in chickpea. Variability of the studied characters
exhibited that they were quantitative in nature and under polygenic
control. For all the characters phenotypic variation was greater
than those of environmental components of variation. Phenotypic
coefficients of variability (PCV) in general were higher than the
estimates of genotypic coefficient of variability (GCV) for all the
characters, which suggested that the apparent variation is not only
due to the genotypes but also due to the influence of environment.
The heritability, genetic advance (GA) and genetic advance as
percentage of mean (GA %) estimates in the present investigation
were found to be low which indicates that the scope for improving
traits through selection is limited. SW/P was positively correlated
with DMF, NPBMF, NSBMF, PWFD, PdW/P, and NS/P both at phenotypic
and genotypic levels. Path coefficient analyses indicated that
PdW/P and NS/P having high positive direct effect on yield were the
major contributors to SW/P.
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