Author(s):

Virendra Kumar Singh, Ramraj Sen, Nirmal Kumar, Rohit Kumar Saini and SP Singh

Abstract: The present investigation consists of ten mustard genotypes and the experiment was conducted during rabi-2010 in Randomized Block Design with three replications. The data were recorded for 10 quantitative characters to study genetic variability, heritability and genetic advance. On the basis of mean performance, high grain yield per plant were exhibited by different genotypes. Analysis of variance among 10 genotypes showed significant differences for all characters studied. Highest genotypic coefficient of variation (GCV) & phenotypic coefficient variation (PCV) was observed for days to maturity followed by no. of seed per siliquae, 1000 seed weight, no. of siliquae on main fruiting branches, yield per plant, no. of primary branches, days to 50% flowering and number of secondary branches indicating that these characters could be used as selection for crop improvement. On the basis of high estimates of heritability coupled with high genetic advance was observed for plant height, days to maturity, yield per plant and days to 50% flowering indicating predominance of additive gene effects and possibilities of effective selection for the improvement of these characters.

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