Abstract

Aina Yadav*, Neeraj Tandan and Rajvir Singh

ABSTRACT

19 tomato genotypes were used in this study and observations were taken for two seasons. Genetic parameters like range, mean, standard error, variance and standard deviation were calculated among 8 quantitative traits of tomato. Among 19 tomato genotypes plant height, days to 50% flowering, number of primary branches/plant, number of fruits/plant, number of locules/fruit, fruit length, fruit diameter and fruit weight ranged from 98.3-143.3 cm, 50.1-62.9 days, 5.9-13.6, 28.3-317.6, 3.3-7.1, 2.2-6.3 cm, 2.6-5.3 cm and 31.6-115.0 gm, respectively. Maximum variability was found in number of fruits/plant. Genetic dissimilarity coefficients for 19 tomato genotypes based on quantitative traits ranged from 0.019-0.994. Maximum dissimilarity coefficient value occured between DVRT-2 vs PB-UPMA was 99.4% and minimum dissimilarity coefficient value occured between EC-538158 vs EC-538423 was 1.9%. Clustering classified the 19 tomato genotypes into 5 distinct clusters i.e. cluster A, B, C, D and E. Therefore, these traits could be considered and exploited for selection purpose. This study was concluded that there is a wide genetic variability in the genotypes and the genotypes could be utilized for genetic improvement of tomato.