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GENETIC DIVERGENCE IN DEEPWATER RICE GENOTYPES

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Author(s): Lotan Kumar Bose | S Pradhan

Journal: Journal of Central European Agriculture
ISSN 1332-9049

Volume: 6;
Issue: 4;
Start page: 635;
Date: 2006;
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Keywords: deepwater rice | genetic divergence | yield components

ABSTRACT
The nature and the magnitude of genetic divergence was estimated in 35 deepwater rice genotypes using Mahalonobis’s D2 – statistics. The genotypes were grouped onto 10 clusters showing fair degree of relationship between geographic distribution and genetic divergence. Cluster IV showed maximum intra cluster divergence while inter cluster divergence was maximum between clusters IX and X. All the minimum and maximum cluster mean values were distributed in relatively distant clusters. Traits like plant yield, days to 50% flowering, EBT/m2 and plant height were the major contributors to genetic divergence.
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