Madras Agricultural Journal
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GENETIC DIVERGENCE IN SORGHUM (SORGHUM BICOLOR) (L.) Moench)

Abstract

Forty diverse genotypes of sorghum (Sorghum bicolor (L.) Moench) evaluated for the genetic diversity were grouped into 15 clusters indicating the high genetic divergence among them. The pattern of D2 clusters clearly demonstrated that the geographical distribution in sorghum were not fully related to genetic diversity. Based on the intercluster distance and cluster mean for various characters, potential parents were identified from different clusters for hybridisation programme. Grain yield, straw yield and grain number contributed maximum towards the genetic divergence among the types studied.

Keywords: P. SHANMUGASUNDARAM' and A. SUBRAMANIAN2

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