Vol. 11, Issue 7 (2022)

Analysis of variance revealed highly significant variation among the genotypes for all the characters and suggested an extensive scope of selection. The estimates of genetic coefficient of variation (GCV) and phenotypic coefficient of variation (PCV) indicated the presence of considerable amount variability for all the traits. In general the estimate of phenotypic coefficient of variability recorded higher than genotypic coefficient of variability indicating less effect to environment. A high estimate of heritability was found for all parameter. The presence of high heritability coupled with high genetic advance as per cent of mean for plant height (cm), number of tillers plant^-1, panicle length (cm), number of panicles plant^-1, 1000 grain weight (g) and number of grains panicle^-1 indicated that heritability of these traits mainly due to preponderance of additive gene effect. Thus these traits can be improved through direct selection. The moderate broad sense heritability with low genetic advance in per cent of means were observed for biological yield indicating presence of non-additive gene action suggesting heterosis breeding may be useful for rice improvement under direct seeded condition. Thus these characters were identified as most important yield attributing component under direct seeded condition and simultaneous selection for these characters might bring an improvement in seed yield. Hence, selection for these traits may be effective.