Combining ability analysis of seed yield and oil content in Brassica juncea (L.) coss & czern.
1998
Sheikh, A. | Singh, J.N.(Indian Agricultural Research Institute, New Delhi (India). Div. of Genetics)
Combining ability analysis of a 10 x 10 diallel set of crosses in Indian mustard for ten characters revealed preponderance of non-additive gene action for most of the characters including seed yield and oil content. Additive genetic variance was more important for plant height and length of siliqua for which high estimate of heritability was also observed. The parent Pusa Barani was the best general combiner for seed yield, oil content, 1000 seed weight, days to flowering, plant height, length of main axis and length of siliqua. Varuna and RH-30 were also good general combiners for seed yield and several other characters. Poorbijaya and glossy mutant showed desirable g.c.a for dwarfness also. Among the crosses, Pusa Barani x Glossy mutant showed superior sca offects for seed yield, oil content, plant height, primary branches and length of main axis. Majority of the crosses showing high sca effects for seed yield involved high x low gca parents.
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