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2018•International Journal of Current Microbiology and Applied SciencesOpen access

Studies on Genetic Variability, Heritability and Genetic Advance in Genotypes of Okra [Abelmoschus esculentus (L.) Moench]

D. Vishnu Priyanka, Medagam Thirupathi Reddy, Husna Begum, N. Sunil, M Jayaprada

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Abstract

Genetic variability analysis on 29 genotypes of okra revealed high magnitude of genetic variability and high degree of transmission of majority of the growth, earliness and yield associated traits under study. High magnitude of genotypic coefficient of variation (>20%) for number of marketable fruits per plant, marketable yield per plant and yellow vein mosaic virus infestation indicated high degree of genetic variability offering great scope for selection of these characters. High heritability (>60%) coupled with high expected genetic advance (>20%) for number of marketable fruits per plant, marketable yield per plant and yellow vein mosaic virus infestation indicated the involvement of additive gene action and more chances of fixing by selection to improve such traits.

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Genetic variability analysis on 29 genotypes of okra revealed high magnitude of genetic variability and high degree of transmission of majority of the growth, earliness and yield associated traits under study. High magnitude of genotypic coefficient of variation (>20%) for number of marketable fruits per plant, marketable yield per plant and yellow vein mosaic virus infestation indicated high degree of genetic variability offering great scope for selection of these characters. High heritability (>60%) coupled with high expected genetic advance (>20%) for number of marketable fruits per plant, marketable yield per plant and yellow vein mosaic virus infestation indicated the involvement of additive gene action and more chances of fixing by selection to improve such traits.

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Available abstract

Genetic variability analysis on 29 genotypes of okra revealed high magnitude of genetic variability and high degree of transmission of majority of the growth, earliness and yield associated traits under study. High magnitude of genotypic coefficient of variation (>20%) for number of marketable fruits per plant, marketable yield per plant and yellow vein mosaic virus infestation indicated high degree of genetic variability offering great scope for selection of these characters. High heritability (>60%) coupled with high expected genetic advance (>20%) for number of marketable fruits per plant, marketable yield per plant and yellow vein mosaic virus infestation indicated the involvement of additive gene action and more chances of fixing by selection to improve such traits.

Key concepts: Abelmoschus, Heritability, Biology, Genetic variability, Infestation, Genetic variation, Genotype, Horticulture

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Studies on Genetic Variability, Heritability and Genetic Advance in Genotypes of Okra [Abelmoschus esculentus (L.) Moench] — Research Paper | ScholarLens