Abstract
The current study was conducted at the Indian Institute of Rice Research (IIRR) to look at the genetic characteristics for quantitative characters in 64 hybrid rice genotypes (Oryza sativa L.). For all of the characters, the analysis of variance indicated significant differences. The characters with the highest phenotypic and genotypic coefficients of variation were productive tillers per plant, filled grains per panicle, and single plant yield (GCV). Plant height, number of productive tillers per plant, number of filled grains per panicle, grain yield per plant, and test weight all had high heritability and genetic advance as a percent of mean, indicating the influence of additive gene action. As a result, simple selection could likely be effective for improving these traits.
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