GENETIC DIVERGENCE IN DEEPWATER RICE GENOTYPES

2005, 6 (4)   p. 635-640

Lotan Kumar Bose, S Pradhan

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.

Keywords

deepwater rice, genetic divergence, yield components

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