Estimation of heritability and genetic advance in okra [Abelmoschus esculentus (L.) Moench.].
Sunil Kumar, Jaish Raj Yadav, Gaurav Mishra, Sanjeev Kumar, Bhim Singh
Abstract
Sunil Kumar, Jaish Raj Yadav, Gaurav Mishra, Sanjeev Kumar, Bhim Singh
Abstract
The present investigation in okra [Abelmoschus esculentus (L.) Moench.] was carried out in R.B.D with three replications during summer 2010 at vegetable research station, Rajendranagar, Hyderabad. 30 genotypes were used with study based on eighteen quantitative characters namely plant height (cm), number of branches per plant, internodal length (cm), number of nodes on main stem, days to first flowering, days to 50% flowering, first flowering node, first fruiting node, fruit length (cm), fruit width (cm), number of ridges, number of fruits per plant, average fruit weight (g), fruit yield per plant (g), fruiting period, number of pickings, fruit and shoot borer infestation on plants (%), yellow vein mosaic virus infestation on plants (%). High heritability coupled with high genetic advance as per cent mean were observed for plant height, internodal length, number of nodes on main stem, first fruiting node, number of ridges, number of pickings, fruit and shoot borer infestation on plants, yellow vein mosaic virus infestation on plants and fruit yield per plant. High heritability coupled with moderate genetic advance per cent mean values were observed for days to first flowering, days to 50% flowering, fruit width and average fruit weight.
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The present investigation in okra [Abelmoschus esculentus (L.) Moench.] was carried out in R.B.D with three replications during summer 2010 at vegetable research station, Rajendranagar, Hyderabad. 30 genotypes were used with study based on eighteen quantitative characters namely plant height (cm), number of branches per plant, internodal length (cm), number of nodes on main stem, days to first flowering, days to 50% flowering, first flowering node, first fruiting node, fruit length (cm), fruit width (cm), number of ridges, number of fruits per plant, average fruit weight (g), fruit yield per plant (g), fruiting period, number of pickings, fruit and shoot borer infestation on plants (%), yellow vein mosaic virus infestation on plants (%). High heritability coupled with high genetic advance as per cent mean were observed for plant height, internodal length, number of nodes on main stem, first fruiting node, number of ridges, number of pickings, fruit and shoot borer infestation on plants, yellow vein mosaic virus infestation on plants and fruit yield per plant. High heritability coupled with moderate genetic advance per cent mean values were observed for days to first flowering, days to 50% flowering, fruit width and average fruit weight.
Key concepts: Abelmoschus, Heritability, Infestation, Biology, Shoot, Horticulture, Plant stem, Genetic variability