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Paper Details

Genetic divergence analysis in rice

K. SARAVANAN* AND R. PACHIYAPPAN

Journal Title:International Journal of Agricultural Sciences
Abstract


Twenty three genotypes of rice were grouped in to seven clusters. It revealed the presence of morphological difference between the genotypes. The clusters V vs VII and IV vs V were divergent clusters. Hence, genotypes in the clusters V, VI and VII could be crossed among themselves to produce wider segregation among the progenies. The cluster VI showed high mean for grain yield per plant, plant height, number of tillers per plant number of productive tiller per plant, panicle length, number of grains per plant and kernel L/B ratio. Cluster III showed low mean for earliness. The character viz., number of grains per panicle, thousand grain weight and plant height contributed maximum towards total genetic divergence. Hence, selection may be practiced for these characters

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