In both the approaches. additive as well as non additive genetic variances were significant. However, additive genetic variance was of greater magnitude. Parents Chambal and Triveni had possessed maximum oil content along with high GCA effects over the environments. In pooled analysis about 1/3 crosses exhibited significant and positive SCA effects. The cross combination AKL 79 x Chambal depicted the highest SCA effect, however, the cross LCK 88062 x LW 28-9 had high oil content. For improvement of this trait pedigree selection method and diallel selection mating are suggested.
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Tamil Nadu Agricultural University
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