Estimation of combining ability analysis in tomato (Solanum lycopersicum L.) for yield, nutritional and processing quality improvement
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Abstract
Combining ability for yield and nutritional quality traits in tomato were studied by involving 28 cross combi-nations obtained from crossing 8 diverse lines in diallel mating fashion. Based on GCA effects of parents, the varie-ties Pant T-3, Arka Alok and Sel-7 were good general combiners for most of the traits under study. The crosses viz., Pant T-3 x H-24 (1.052%), Arka Meghali x Punjab Chhuhara (0.768%) and H-88-78-1 x Azad T-5 (0.768%) were found to be high positive specific combining ability effect for yield per plant. For quality traits, the crosses Arka Me-ghali x Punjab Chhuhara and H-24 x Sel-7 were also superior specific combiner for number of seeds per fruit and ascorbic acid, while cross Punjab Chhuhara x H-88-78-1 was superior specific combiner for number of seeds per fruit (24.165%), yield per plant (0.677%) and titrable acidity (0.183%). These elite hybrids may be tested for yield and other quality traits under different agro-climatic conditions for commercial exploitation of hybrid vigour.
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Combining ability, Hybrids, Quality, Tomato, Yield
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