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GENETIC VARIABILITY AND CHARACTER ASSOCIATION STUDIES IN RICE UNDER RAINFED SHALLOW LOWLAND AT NEW ALLUVIAL ZONE OF WEST BENGAL
VANGARU SATHISH, BIJOY KUMAR SENAPATI

Published in: International Journal of Agriculture Sciences
Volume- 9, Issue-41, pp.4642-4647, Sep 2017
DPI :-> 16.10077.IJAS.2017.V9I41.46424647.2011



Abstract
Forty-nine rice genotypes including three check varieties were evaluated in RBD with two replications in a field experiment during Kharif season at Regional Research Sub Station: Chakdaha, New Alluvial Zone of Bidhan Chandra Krishi Viswavidyalaya. The analysis revealed significant differences among the genotypes against all the characters studied. In general, phenotypic variance was higher than the corresponding genotypic variance for all the characters studied. Characters like number of panicles per plant, panicle weight(g), number of grains per panicle and number of secondary branches per panicle recorded high phenotypic and genotypic variances simultaneous with PCV and GCV. High estimate of genetic advance was obtained for number of florets per panicle, plant height and number of grains per panicle. High heritability along with high genetic advance as percent of mean was obtained for number of primary branches per panicle, number of panicle per plant, plant height, grain length and kernel length breadth ratio. Grain yield per plant was significantly correlated with number of panicle per plant, panicle weight, number of florets per panicle, number of grains per panicle, harvest index and fertility percentage in positive direction. Path coefficient analysis revealed the high direct effect of number of panicles per plant, panicle weight, number of florets per panicle and floret fertility on grain yield.

Key-Words / Index Term
Rice, Rainfed, Genetic Variability, Genetic Advance, Correlation and Path Co-Efficient

How to cite this article
VANGARU SATHISH, BIJOY KUMAR SENAPATI , “GENETIC VARIABILITY AND CHARACTER ASSOCIATION STUDIES IN RICE UNDER RAINFED SHALLOW LOWLAND AT NEW ALLUVIAL ZONE OF WEST BENGAL”, International Journal of Agriculture Sciences, 9, Issue-41, pp.4642-4647, Sep 2017. DPI:16.10077.IJAS.V9.I41.2011