Phenotypic (assessment of rice Oryza sativa L.) genotypes for genetic variability and varietal diversity under direct seeded condition
作者： Anurag Tripathi Anurag Tripathi , Sudhir Kumar Sudhir Kumar , MK Singh , Arun Kumar Arun Kumar , MK Karnwal
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摘要: The study on variability and diversity of 32 genotypes rice (Oryza sativa L.) under direct seeded condition revealed significant at 5% level among the for all characters. High broad sense heritability was observed days to 50% flowering (0.986) followed by filled grains (0.8216) 1000-grain weight (0.7306). Expected genetic advance highest yield per hectare (39.639) panicle (51.39). Genetic divergence analysis using Mahalanobis’s D2 statistic grouped into 7 clusters. Cluster II had maximum number (16) genotypes. Maximum inter cluster distance found between IV VII (984.82). However, intra in III (363.58). Genotypes from diverse clusters viz.NR 89, PAU 3284, ARIZE SWIFT, RY 248, Varadhan, RYC489, MTU 1010 RYC 674 could be recommend-ed inclusion hybridization programme breeding aerobic condition.
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