Genetic studies in relation to yield and its components in field pea (Pisum Satlvum L.)
2013
Punia, S.S. | Ram, Baldev | Koli, N.R. | Ranwha, B.R. | Maloo, S.R.
The experimental material comprised 21 hybrids generated bycrossing seven diverse varieties of field pea (Pisum sativum L) indiallel mating design. The set of 21 hybrids and parents were evaluated inrandomized block design with three replications to study the gene action foryield and its attributing traits. The component analysis indicated preponderanceof non-additive gene action in the inheritance of aD the traits studied. Thevalue of H2/4H1 was less than 0.25 for all thecharacters studied indicating the asymmetrical distribution of positive andnegative alleles in the parents. The ratio(4DH1) 0.5 +F/(4DH1) 0.5 -F was greaterthan unity for days to flowering, days to maturity, number of pods per plant,number of seeds per pod, seed yield per plant and harvest index indicatingpresence of excess of dominant genes in the parents. The graphical analysisindicated importance of partial dominance and positions of parental arrays inthe graphs were scattered suggesting parental diversity for the various traits studied.
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