Studies on genetic variability of nutritional traits among YVMV tolerant okra germplasm
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Abelmoschus esculentus, correlation, genetic advance, genetic variability, heritability, quality traits, pathanalysis.Issue
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Copyright (c) 2016 Indian Journal of Horticulture
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Abstract
Thirty diverse okra genotypes were evaluated for 19 quality traits during the rainy season 2013. It was evident from the results that the genotypes, namely, DOV-11, DOV-66, DOV-24 and DOV-12 were recorded with no incidence of Bhendi Yellow Vein Mosaic Virus (BYVMV) after 30 days of sowing. No incidence of BYVMV disease was recorded in genotypes DOV-12 and DOV-66 even after 90 days of sowing. The popular variety, Pusa Sawani recorded 94% BYVMV incidence after 90 days of sowing. Mucilage content was found maximum in genotype Punjab Padamini (5.73%) and least in DOV-26 (3.35%). Genotypes Arka Abhay and USDO-2546 recorded maximum dietary fibre content (0.09 g/g). Based on path-coefficient analysis protein, dietary fibre, chlorophyll a and b and carotenoids content showed high positive direct effect on yield/ plant. Genotypes USDO-2546, Punjab Padmini and Arka Abhay were found suitable for utilizing in future breeding programme for developing variety with high nutritional quality. However, DOV-12 and DOV-66, which were having dark green pods were most desirable genotypes for BYVMV resistance and higher yield.
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