Author(s):

NR Koli and Manoj Kumar

Abstract: Combining ability analysis was carried out for grain yield and its component traits in line x tester mating design from a systematic set of crosses. The analysis of variance of combining ability revealed significant differences among parents, crosses and interaction (line x tester) for all the traits. General combining ability effects indicated that, IET 12016 was found best general combiner for grain yield per plant, panicles per m² and number of spikelet’s per panicle. Among the tester, Pusa Sugandha-4 was found best general combiner for most of the traits studied. The crosses IET 19695 / Pusa Sugandha 4, IET12016 / Pusa Sugandha 4 and IET 19695 / Pusa Sugandha 4 were the best specific combiner for grain yield and panicles per m². The superior crosses were found to involve at least one parent with high gca and other parent having high, average and low gca effects.

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