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ESTIMATES OF GENETIC VARIABILITY AND HERITABILITY FOR YIELD AND YIELD COMPONENT TRAITS IN BLACKGRAM (Vigna mungo L. Hepper)
NAGMI PARWEEN, G.M. LAL

Published in: International Journal of Agriculture Sciences
Volume- 9, Issue-36, pp.4550-4552, Aug 2017
DPI :-> 16.10077.IJAS.2017.V9I36.45504552.1852



Abstract
In present study, thirty blackgram (Vigna mungo L. Hepper) genotypes were evaluated for thirteen economically important characters. The study showed considerable variability for these characters. Heritability in broad sense was high for all the characters studied except for primary branches/ plant and days to 50% maturity. High heritability coupled with high genetic advance as per cent mean was perceived for plant height and seed yield/ plant, specified the prevalence of additive gene action in the expression of the traits. While the remaining traits showed high to moderate heritability coupled with moderate to low genetic advance as percent of mean, suggesting prevalence of non-additive gene action in the expression of the traits, therefore may be potentially utilized in recombination breeding. Furthermore, based on them per se performance, the suitable genotypes for these traits could be isolated and utilize for blackgram improvement. The association analysis revealed that the genotypic correlation coefficients were higher than corresponding phenotypic ones for all the character combinations.

Key-Words / Index Term
Heritability, Traits, Blackgram

How to cite this article
NAGMI PARWEEN, G.M. LAL , “ESTIMATES OF GENETIC VARIABILITY AND HERITABILITY FOR YIELD AND YIELD COMPONENT TRAITS IN BLACKGRAM (Vigna mungo L. Hepper)”, International Journal of Agriculture Sciences, 9, Issue-36, pp.4550-4552, Aug 2017. DPI:16.10077.IJAS.V9.I36.1852