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Genetic study for yield and quality traits in infra-specific mapping population of melon

11/03/2016

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Communications in Plant Sciences, vol 6, issues 3-4, p.61-65, 2016

Full title: Genetic study for yield and quality traits in infra-specific mapping population of melon

Authors: Smita Singh, Sudhakar Pandey, Richa Raghuwanshi, and Major Singh

Abstract: Heritability, inter-relationship and path coefficient studies were performed in an infra-specific cross between Snapmelon (Cucumis melo var. momordica) and muskmelon (Cucumis melo L.) to produce an array of 249 F3 families. A pattern of moderate to high, broad sense heritability was estimated for yield attributing fruit traits. Fruit weight exhibited highest heritability (90.3%) while ovary length and diameter showed lowest heritability. Positive and significant correlation of yield was found with fruit weight, number of fruits per plant, Fruit quality traits ascorbic acid content (Vitamin C) and fruit flesh pH showed positive correlation. Path analysis showed significant positive direct effect of number of fruits per plant and fruit weight on yield. Study on allelic interaction of fruit traits during early generation will allow selection of better inbred lines and variety development reducing the cost of advancement, space and time required for inbreeding large size population.

Keywords: Cucumis melo var. momordica, Ascorbic acid, Fruit weight, Path analysis, Correlation, Yield traits, Infra-specific cross, Population, TSS.

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