Combining ability analysis in Indian mustard (Brassica juncea L. Czern & Coss)
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Authors
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Mahak Singh
Department of Genetics and Plant Breeding, C.S. Azad University of Agriculture & Technology, Kanpur 208-002(UP), India
Author
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Lokendra Singh
Department of Genetics and Plant Breeding, C.S. Azad University of Agriculture & Technology, Kanpur 208-002(UP), India
Author
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S.B.L. Srivastava
Department of Genetics and Plant Breeding, C.S. Azad University of Agriculture & Technology, Kanpur 208-002(UP), India
Author
Keywords:
Brassica juncea, general combining ability, specific combining abilityAbstract
Combining ability analysis of 10 10 diallel set of crosses in Indian mustard for ten quantitative traits
revealed preponderance of non-additive gene effects for plant height, number of primary branches per plant
and seed yield per plant, whereas additive gene effect was found to be predominant for the inheritance of
rest of the characters. The parent Durgamani, RLM-198 and Varuna were the good general combiners for
seed yield and oil content. Varuna and Durgamani also exhibited desirable general combining ability effect
for earliness and dwarfness. Among the cross combinations, cross Kanti Pusa Agrani exhibited superior
specific combining ability effects for seed yield, oil content and other yield attributing traits. Most of the
crosses involving high low general combining parents, exhibited high sca effects for various traits.
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