Indian Journal of Genetics and Plant Breeding (The)
Year : 1982, Volume : 42, Issue : 1
First page : ( 11) Last page : ( 14)
Print ISSN : 0019-5200. Online ISSN : 0975-6906.

Combining Ability in Pigeonpea

Venkateswarlu S., Singh R. B.

Deptt. of Genetics and Plant Breeding, Faculty of Agriculture Banaras Hindu University, Varanasi-221 005, India

Abstract

COMBINING ability analysis of ten diverse cultivars of pigeonpea, (Cojanus cojan (L) Millsp.), indicated the importance of both additive and non-additive gene effects for pods/plant, seeds/pod, 100-seed weight and seed yield/plant. However, the additive gene effects were predominant. The per se performance of the parents was highly associated with their GCA effects. Parents NP (WR)-15 and T7 were the best general combiners for yield. Most of the crosses showing significant SCA effects involved one good and one poor or even negative general combiners. Relatively higher estimates of SCA effects were usually recorded in those crosses which involved diverse interacting parents. Utilization of male sterility already available in this crop should be commercially exploited for the production of hybird seed.

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