Genetic analysis of seed yield and five yield components as well as oil yield per plant through 10 X 10 diallel excluding reciprocal revealed that all the characters were governed by both additive as well as dominance gene effects, with preponderance of additive gene effect for days to flower; equal importance of both gene effects for days to maturity and with greater magnitude of dominance gene effect for plant height,seeds per capsule, 500 seeds weight, seed yield per plant and oil yield per plant. Asymetrical distribution of increasing and decreasing alleles was noticed for all the traits except seeds per capsule, seed yield and oil yield. More number of dominant genes were present (K/K >1) for days to flower, days to maturity and plant height. The population improvement through reciprocal recurrent selection or biparental mating is suggested for increasing seed and oil yield.
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Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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