Heterosis Study in Tomato (Lycopersicon esculentum Mill.)

The present investigation on diallel analysis was conducted in tomato to study the magnitude of heterosis in tomato for fourteen characters including fruit yield and its related components. The experimental material comprising of five genetically diverse parental lines and their twenty hybrids (including reciprocals). Significant differences among genotypes were obtained for all the traits. In order of merit, the five promising hybrids viz., NTE 2 x NTE 3, NTE 2 x NTE 4, NTE 2 x NTE 1, NTE 1 x NTE 5 and NTE 1 xNTE 2 exhibited standard heterosis range of 104.40 to 201.19 and 90.15 to 180.20 over commercial checks, GT2 and JT 3, respectively.