Combining ability analysis in Indian mustard (Brassica juncea L. Czern and Coss.)
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COMBINING ABILITY IN INDIAN MUSTARD
Authors
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H P MEENA
Department of Genetics and Plant Breeding, Banaras Hindu University, Varanasi-221 005, Uttar Pradesh
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H KUMAR
Department of Genetics and Plant Breeding, Banaras Hindu University, Varanasi-221 005, Uttar Pradesh
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J P LAL
Department of Genetics and Plant Breeding, Banaras Hindu University, Varanasi-221 005, Uttar Pradesh
Keywords:
gca effects, Heterobeltiosis, Mid-parent heterosis, Mustard sca effectsAbstract
A line x tester analysisinvolving five males(lines) and 10 female (testers) parents were carried out for five traits in Indian mustard. (Brassica juncea L. Czern & Coss.). Among the parents, MCN-75, Ornamental Rai, Rohini, Kranti, Vardan, RH-8812, and NDR-8501 were found to be significantly superior general combiners for seed yield and yield components. The cross MCN-75 x Rohini, MCN-75 x NDR-8501, MCN-75 x Vardan and MCN-73 x Krantishowed high heterosisforseed yield and some ofthe yield contributing traits. The cross MCN-75 x RH-8812, MCN-73 x Pusa Bold, Ornamental Rai x NDR-8501 and MCN-70 x RH-8813 had higher sca effects. For most of the major characters including seed yield both additive and non-additive gene action were of prime importance.
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References
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