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Title: Morphological and genetic diversity of pole type common bean (Phaseolus vulgaris L.) landraces of Mizoram (India)
Authors: Dutta, Sudip Kumar
Singh, S B
Chatterjee, Dibyendu
Boopathi, T
Singh, A R
Saha, S
Keywords: Common bean;Landraces;Phaseolus vulgaris;SSR
Issue Date: Oct-2016
Publisher: NISCAIR-CSIR, India
Abstract: The present study was based on morphological and molecular characterisation of 52 pole type common bean (Phaseolus vulgaris L.) landraces from Lushai hills of North-East India. A significant morphological and biochemical variation has been recorded in the pods and seed characteristics of the studied common bean landraces. The genetic diversity of common bean landraces was investigated by using 30 expressed sequence tag-simple sequence repeat (EST-SSR) markers. A total of 150 alleles were detected with an average of 5 alleles per SSR locus. The polymorphism information content (PIC) values of SSR markers varied from 0.38 to 0.94, with an average of 0.72. These pole type common bean landraces were divided into four subgroups based on unweighted pair group method with arithmetic average (UPGMA) cluster analysis based on simple matching (SM) and Rogers and Tanimoto (RT) similarity coefficients. The result confirmed an interesting and yet unexplored genetic variability, having potential for common bean breeding programmes and conservation of these valuable genetic resources.
Page(s): 550-559
ISSN: 0975-0967 (Online); 0972-5849 (Print)
Appears in Collections:IJBT Vol.15(4) [October 2016]

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