Character association and path analysis of yield component traits and late Llaf spot disease traits in groundnut (Arachis Hypogaea L.)
2012
s l sawargaonkar | b v hudge | r r giri
S L Sawargaonkar, R R Giri, B V Hudge, 'Character association and path analysis of yield component traits and late Llaf spot disease traits in groundnut (Arachis Hypogaea L.)', Agricultural Science Digest, vol. 30(2), pp.115-119, Agricultural Research Communication Centre, 2012
Afficher plus [+] Moins [-]High estimates of PCV, GCV, heritability (broad sense) and genetic advance as percentage of mean (GAM) were observed for late leaf spot disease severity, reducing sugar, kernel yield per plant and pod yield per plant. It indicates the role of additive gene action and hence the usefulness of phenotypic selection for bringing possible improvement. Pod yield showed positive significant association with days to 50 per cent flowering, days to maturity, kernel yield, test weight and oil content. The path analysis revealed that high positive direct effect of kernel yield exerted on pod yield as well as oil content, strong mature kernel, days to 50 per cent flowering, test weight, days to maturity, and non reducing sugar through kernel yield. Therefore, it would be rewarding to lay due emphasis on the selection of these characters for rapid improvement in pod yield
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