Line x tester analysis (14 x 3) of combining ability revealed preponderance of non- additive gene action for seed yield and its components. Guj. Til 1, Sel. 73, Sel. 33, Sel. 123 and Uma were good general combiners for seed yield and yield contributing characters. Non-significant correlation was observed between parental per se performance and gca effects. A good degree of association was observed between F, performance and sca effects. Hybrids of superior combinations involved mostly parents of high x high or high x low, combining ability effects. Sel. 33 x Uma, Guj. Till x TC 25, Sel. 84 x Sel. 185 and Sel. 73 x Uma which showed significant sca effects and heterosis for seed yield, branches/ plant, capsules on main stem and capsules/ plant can be considered as best combinations for exploitation of hybrid vigour.
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Agricultural Students Union
Tamil Nadu Agricultural University
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Tamil Nadu, India.
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Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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