Line x tester analysis in indian mustard [Brassica juncea (l.) czern & coss.]
1997
Chaudhary, S.P.S. | Sharma, S.N. | Singh, A.K. (Agricultural Research Station, Durgapura (India). Department of Genetics and Plant Breeding)
Line x tester analysis involving 40 females and 3 males from diverse origin revealed that both additive and nonadditive gene actions were important in controlling most of the characters studied. However, additive gene action was predominant. Variety Varuna, among the male parents, was the best general combiner for seed yield, oil content and most other important traits. Among the female parents, Pusa Bold and P26/21 for seed yield and oil content; Laha Dholpur and No. 6 for oil content; TM-11 and Keshri for earliness and dwarfness were the good general combiners. The cross Yellow Appressed x RL-18 was best for seed yield and oil content. Hybridization systems, such as a multiple or reciprocal recurrent crossing which exploit both additive and nonadditive gene effects, simultaneously, could be useful in the genetic improvement of the characters studied.
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