Combining ability analysis for seed yield and its attributes in Indian mustard [Brassica juncea (L.) Czern and Coss]


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COMBINING ABILITY ANALYSIS FOR SEED YIELD AND ITS ATTRIBUTES IN INDIAN MUSTARD

Authors

  • M PATEL Main Castor-Mustard Research Station, S.D. Agricultural University, Sardarkrushinagar -385 506, Gujarat
  • K P PRAJAPATI Main Castor-Mustard Research Station, S.D. Agricultural University, Sardarkrushinagar -385 506, Gujarat
  • A A KHULE Main Castor-Mustard Research Station, S.D. Agricultural University, Sardarkrushinagar -385 506, Gujarat
  • L P PATEL Main Castor-Mustard Research Station, S.D. Agricultural University, Sardarkrushinagar -385 506, Gujarat

https://doi.org/10.56739/jor.v31i1.142111

Keywords:

Brassica juncea, Combining ability, Diallel, Mustard

Abstract

The hybrids were developed by adopting diallel mating design excluding reciprocals involving ten diverse Indian mustard genotypes during rabi 2007-08. The resultant 45 hybrids along with their parents were evaluated in a Randomized Block Design with three replications under four environments viz., timely sown at Sardarkrushinagar (E1) and Ladol (E2), and late sown at Sardarkrushinagar (E3) and Ladol (E4), during rabi 2008-09. Combining ability analysis on pooled basis, revealed importance of both additive and non-additive genetic variances for the control of various traits. However, the ratio σ2 gca/σ2 sca indicated preponderance of non-additive gene action for days to 50% flowering, days to maturity, seed yield/plant and oil content, while additive gene action was preponderant for rest of the traits. The parents RK 9501, GM 1 and GM 2 were good general combiners, whereas, the crosses 'RK 9501 x GM 2', 'GM 1 x GM 3' and 'GM 3 x SKM 139' were found to be the best specific combinations for seed yield/plant and some of the important yield contributing traits. However, on the basis of per se performance, exploitable heterosis and significant sca effects for seed yield/plant and some of its important components, the above hybrids were considered to be the most promising for exploitation of heterosis.

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References

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Submitted

2023-09-07

Published

2014-07-21

How to Cite

M PATEL, K P PRAJAPATI, A A KHULE, & L P PATEL. (2014). Combining ability analysis for seed yield and its attributes in Indian mustard [Brassica juncea (L.) Czern and Coss]: COMBINING ABILITY ANALYSIS FOR SEED YIELD AND ITS ATTRIBUTES IN INDIAN MUSTARD. Journal of Oilseeds Research, 31(1). https://doi.org/10.56739/jor.v31i1.142111