Indian Journal of Agricultural Research

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Indian Journal of Agricultural Research, volume 43 issue 2 (june 2009) : 119·123

COMBINING ABILITY AND NATURE OF GENE ACTION IN SESAMUM (SESAMUM INDICUM L.)

H.P. Mishra, R.C. Misra, P.K. Sahu
1Department of Plant Breeding and Genetics, Orissa University of Agric. and Technology, Bhubaneswar-751 003, India.

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Cite article:- Mishra H.P., Misra R.C., Sahu P.K. (2024). COMBINING ABILITY AND NATURE OF GENE ACTION IN SESAMUM (SESAMUM INDICUM L.). Indian Journal of Agricultural Research. 43(2): 119·123. doi: .

ABSTRACT

Combining ability and nature of gene action involved in the inheritance of seed
yield and its components in sesamum were analyzed in F1 of a half diaMel cross among1-2
elite varieties of diverse origin. Varieties VRI-l and GT-tO were good general combiner
for capsules/plant, Kalika and HT-I, for seeds/capsule, AKT-64 and Pragati, for 1Ooo-seed
weight and Uma, GT-IO, Akt-64 and Kalika were good combiner for seed yield. Gene
action was largely additive for primary branc,hes and predominantly additive for plant
height and lOoo-seed weight. Both additive and non-additive gene action were equally
important for days to maturity and seeds/capsule. Additive gene action played a greater
role in case of capsules/plant, while non-additive gene action played a greater role in
inheritance of seed yield.

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