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Heterosis and combining ability studies in rice (Oryza sativa L.) using male sterile lines as testers






Mysore Journal of Agricultural Sciences 1987; 20(4): 333

Heterosis and combining ability studies in rice (Oryza sativa L.) using male sterile lines as testers

Grain yield per plant and 8 related characters were studied in 1982 in crosses of the cytoplasmically male-sterile lines KMS, KMS4 and KMS5 with 22 inbred lines. There was wide variation in F1 sterility. Heterosis and combining ability estimates indicated the importance of both additive and non-additive gene action in the control of the characters. Only 2 hybrids outyielded the best variety but many hybrids were heterotic for yield components.

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Accession: 001607986



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