1Department of Genetics and Plant Breeding, Allahabad School of Agriculture, Sam Higginbottom Institute of Agriculture, Technology and Sciences, Deemed-to-be-University, Allahabad 211 007. E-mail: lavanya.roopa@gmail.com
2PMB (Genomics), CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow-226 001. E-mail: shirishranade@yahoo.com
Online published on 13 August, 2013.
Estimation of genetic diversity in a crop is a prerequisite for its improvement. Fifty four accessions of mungbean were compared through RAPD profiles and morphological traits. Field data of consecutive years was subjected to multivariate analysis and non hierarchical Euclidean analysis. The 54 accessions were grouped into 10 and five clusters on the basis of morphological and RAPD data respectively. The clusters, though not congruent to each other, revealed interesting trends for RAPD data and mean performance under the 10 morphological traits. Plants with above average performance for plant height and number of seeds per pod clustered together in RAPD analysis and were in general the superior performing accessions. Among morphological traits, the maximum Euclidean distance was between clusters IV and VIII, in good agreement with four out of the five RAPD data clusters. Thus by combining the RAPD and Euclidean analyses it would be possible to compile a panel of contrasting parental accessions for a meaningful mungbean improvement program.
Distances, Genetic diversity, mungbean, Neighbour-Joining dendrogram, Non-hierarchical Euclidean cluster analysis
