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Indian Journal of Agricultural Research

  • Chief EditorV. Geethalakshmi

  • Print ISSN 0367-8245

  • Online ISSN 0976-058X

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  • SJR 0.217, CiteScore: 0.595

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Indian Journal of Agricultural Research, volume 47 issue 6 (december 2013) : 535-539

HETEROSIS AND COMBINING ABILITY ANALYSIS FOR SEED YIELD AND ITS ATTRIBUTES IN INDIAN MUSTARD [BRASSICA JUNCEA (L.) CZERN & COSS.]

R.A. Gami*, R.M. Chauhan1
1Department of Genetics and Plant Breeding, C.P. College of Agriculture, S.D. Agriculture University, Sardarkrushinagar-385 506 India

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Cite article:- Gami* R.A., Chauhan1 R.M. (2025). HETEROSIS AND COMBINING ABILITY ANALYSIS FOR SEED YIELD AND ITS ATTRIBUTES IN INDIAN MUSTARD [BRASSICA JUNCEA (L.) CZERN & COSS.]. Indian Journal of Agricultural Research. 47(6): 535-539. doi: .

ABSTRACT

Combining ability, gene action and heterosis was studied in a set of six parental lines, four tester and their hybrids of Indian mustard following a L x T mating design. The parents PUSA BOLD and BIO-902 exhibited significant and positive GCA effects for seed yield per plant while parental genotype PCR-7 was good general combiner for 1000-seed weight. The ratio of  ó2gca / ó2sca being less than unity for all yield attributing traits indicated predominance of non-additive gene action for all the traits. The hybrids SKM-9820 X GM-2 and PCR-7 X VARUNA revealed highest SCA effects and Heterosis over batter parent and standard parent. Considering mean performance, heterosis and combining ability effects, the parents GM 2, SKM-9033, PUSA BOLD, SKM-9820 and hybrids SKM-9820 x GM 2, PCR-7 x VARUNA and SKM-9033 x VARUNA were found to be promising for exploitation of heterosis and to undertaken crossing program to obtain desirable segregants.

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