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



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



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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