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Genetic Variability and Correlation Analysis for Yield Attributing Traits in Rice (Oryza sativa L.)

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Augmented block design evaluates genetic variability and heritability among rice genotypes, suggesting effective selection for yield traits.

Significant genetic variation was confirmed among rice genotypes for all evaluated yield traits, supporting selection efforts.
High heritability (>80%) was noted for key traits, including plant height and grain yield, highlighting the potential for direct selection.
The analysis found positive correlations between grain yield and attributes like the number of grains per panicle, aiding indirect selection.
The study's findings underscore the importance of genetic variance and correlation for improving rice yield in breeding programs.

Akhila et al. (2025) studied this question.

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Augmented block design evaluates genetic variability and heritability among rice genotypes, suggesting effective selection for yield traits.