Heterosis for Quality Attributes in Tomato (Lycopersicon esculentum Mill.)
2013
Ravindra Kumar, | Srivastava, K. | Singh, R. K. | Kumar, Vinod
In present study 43 genotypes (13 parental lines and 30 F₁ hybrids) were evaluated during 2010 and 2011 in order to estimate the extent of heterosis and quality trait like ascorbic acid (vitamin C), titratable acidity, lycopene content and total soluble solids (TSS). Significant differences among genotypes were obtained for all four traits. Positive significant heterosis was found for ascorbic acid (32.52% and 23.07% over better parent as well as 30.81% and 15.98% over standard check BT-12), titratable acidity (25.49% and 26.42% over better parent as well as 14.04% and 16.48% over standard check), lycopene content (63.99% and 71.25% over the better parent as well as 77.26% and 62.27% over standard check) and TSS (27.32% and 34.86% over better parent as well as 17.25% and 13.61% over standard check) over both the years, respectively.
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