Indian Society of Genetics & Plant Breeding

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LINE X TESTER ANALYSIS IN INDIAN MUSTARD [BRASSICA /UNCEA (L.) CZERN & CASS.)

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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 P 26/21 for seed yield and
oil content; Laha Dholpur and No.6 for oil content; TM-ll 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.
 

Keywords: Indian mustard, combining ability, gene effects, heterosis.

Info

Year: 1997
Volume: 57
Issue: 2
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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