article

Exploration of combining ability for yield and morpholo-physical traits in hybrid rice (Oryza sativa L.)

Journal of Pharmacognosy and Phytochemistry · 2017 · Vol. 6 · pp. 644–648

Abstract

Combining ability in rice was studied with a set of 4 line and 10 testers and their 40 hybrids. The magnitudes of GCA variances were higher than SCA variance for all the characters which indicated the additive gene action was predominant in the expression of traits. The estimation of GCA effects for parents revealed that females, APMS 6A & males OM6162 & CBO5-501 were good general combiners for yield & yield attributing characters. The best specific cross combinations obtained through poor X good & Poor average combining parents respectively for grain yield per plant

Genetics and Plant Breeding Rice Cultivation and Yield Improvement Agricultural Systems and PracticesOryza sativaHybridGrain yieldYield (engineering)BiologyMathematicsVariance componentsAgronomyBiotechnologyStatistics

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field-weighted impact

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vs. same field & year

Combining ability analysis for yield and its components in aerobic rice (Oryza sativa L.)

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