EVALUATION OF CUCUMBER (Cucumis sativus L.) GENOTYPES FOR GROWTH, YIELD AND QUALITY TRAITS
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Date
2022-01-14
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University of Agricultural Sciences, Bangalore
Abstract
Cucumber is an important vegetable belongs to family Cucurbitaceae. It is grown for its tender fruits, which are consumed either raw or as salad. Around seventeen diverse genotypes of cucumber were collected from different indigenous sources and were laid out in Randomized Complete Block Design with three replications during rabi season of 2020-21 of January to April in the Department of Horticulture, GKVK, Bengaluru and were assessed to know variability, correlation, path analysis, divergence studies, sex expression, yield and quality parameters. High heritability coupled with high genetic gain was observed for average fruit weight, number of fruits per vine and fruit yield per vine. Fruit yield per vine was positively and significantly correlated with average fruit weight, number of male flowers per vine, fruit length, number of female flowers per vine, days to last harvest of the fruit and fruit diameter. Fruit yield per vine
had the maximum positive direct contribution towards average fruit weight followed by number of fruits per vine, number of male flowers per vine, internodal length and fruit length. Different genotypes of cucumber were grouped in five major clusters. Cluster 1 was the largest group consisting of 11 genotypes which was followed by cluster 3 (3 genotypes), cluster 2, cluster 4 and cluster 5 had single genotype. Fruit yield per vine showed positive and high significant correlation with TSS, flesh thickness and physiological loss in weight. Maximum fruit yield per vine was observed for Sirsi Local- 1 followed by Sirsi Local-2 and Davangere Local.