Genetic architecture studies of yield and its components in castor
2018
P. P. Pardshi | S. B. Sakhare | K.P. Ingle and | V.C. Khelurkar
Generation mean analysis implies to study genetics of seed yield and its components in castor (Ricinus communis L.) through generation mean analysis. The additive-dominance model was found adequate for days to maturity of primary spikes in cross I (AKC-1 x RG550), effective length of primary spikes in cross II (48-1 x RG550) and effective length of secondary spikes and number of secondary spikes in cross III (Aruna x RG550). Either dominance gene action or both additive and dominance gene actions were observed to be significant indicating the role of non additive component in the inheritance of most of the characters studied while only additive gene action along with epistatic interaction components were noted for effective length of secondary spikes in the cross I (AKC-1 x RG550) and number of capsules on primary spikes in the cross III (Aruna x RG550).
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