The nature of gene action through combining ability analysis for grain yield and its components was studied in 5 X 5 diallel cross of sorghum. Estimates of gea and sca indicated the influence of both additive and non additive gene action for the inheritance of grain yield, stem girth and plant height. The cultivar SPV-462 was the best general combiner for all the traits under study. The best specified crosses viz, SPV-462 X M35- 1, SPV-472 X Moti, SPV-913 X M35-1 and M35-1 X Moti for grain yield resulted from non-additive gene action could be utilised in heterosis breeding programme.
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Tamil Nadu Agricultural University
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Madras Agricultural Journal (MAJ)
Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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