ASSESSMENT OF GENETIC VARIABILITY, CHARACTER ASSOCIATION AND PATH ANALYSIS IN TOMATO (S. LYCOPERSICUM L.) UNDER TARAI CONDITION OF UTTARAKHAND

SUDESH KUMAR¹, ANITA SINGH²*
¹Department of Vegetable Science, College of Agriculture, G.B. Pant University of Agriculture and Technology, Pantnagar, 263145, U.S. Nagar, Uttarakhand
²Department of Vegetable Science, College of Agriculture, G.B. Pant University of Agriculture and Technology, Pantnagar, 263145, U.S. Nagar, Uttarakhand
* Corresponding Author : anitasingh79@rediffmail.com

Received : 08-03-2016     Accepted : 11-05-2016     Published : 09-09-2016
Volume : 8     Issue : 34       Pages : 1706 - 1709
Int J Agr Sci 8.34 (2016):1706-1709

Keywords : Correlation, Genetic advance, Heritability, Path coefficient and Tomato
Academic Editor : Dr. Sanjaykumar Pravinchandra Pandya
Conflict of Interest : None declared
Acknowledgements/Funding : None declared
Author Contribution : None declared

The research work was carried out to analyse the variability parameters, correlation and path coefficient for morphological characters and quantitative traits in twenty five tomato genotypes. Analysis of variation revealed significant differences between the genotypes for all the traits. High genotypic and phenotypic coefficient variation were observed for average fruit weight followed by number of fruit/plant and number of fruit cluster/plant and lowest for days taken to first fruit harvest. High genetic advance was obtained for fruit yield/ plant, yield/ hectare and plant height. fruit yield quintal / hectare was positively and significantly correlated with average fruit weight and fruit yield/plant. Maximum positive direct effect on fruit yield / hectare was imposed by number of primary branches / plant followed by days taken to 50% flowering and number of fruit cluster/plant. Whereas, at genotypic level, maximum positive direct effect on fruit yield/hectare was imposed by plant height followed by days to flower initiation and days taken to first fruit set. The genotypes viz., CLN-2123E (364.03 q/ha), EC-519800 (355.15 q/ha) and CLN-2870A (351.74 q/ha) were found better than to check PT-3 and superior for yield quintal / hectare.