Assessment of Genetic Variability in Groundnut (Arachis hypogaea L.)
P. Susmitha, A. Prasanna Rajesh, M. Reddi Sekhar, Sk. Nafeez Umar
Journal of Scientific Research and Reports · pp. 290–296 · Published 31 Oct 2024
10.9734/jsrr/2024/v30i112556Abstract
The present study was carried out with thirty advanced breeding lines of groundnut for estimation of genetic variability, heritability and genetic advance. Analysis of variance revealed highly significant differences among genotypes for all the studied characters indicating that there is substantial variability among the genotypes for these traits. High estimates of GCV and PCV was observed for pod yield per plant, kernel yield per plant, dry haulm yield per plant and number of mature pods per plant. High heritability coupled with high genetic advance as per cent of mean were recorded for number of mature pods per plant, pod yield per plant, kernel yield per plant, dry haulm yield per plant, number of immature pods per plant, plant height, harvest index and hundred kernel weight indicating the preponderance of additive gene action in expression of these traits and hence simple phenotypic selection would be effective for improvement of these characters.
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