Legume Research

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Legume Research, volume 35 issue 1 (march 2012) : 50 - 52

STUDIES ON GENETIC DIVERSITY IN MUNG BEAN (Vigna radiata L.)

J. Gokulakrishnan, B. Sunil Kumar, M. Prakash
1Department of Genetics and Plant Breeding, Faculty of Agriculture, Annamalai University, Annamalai Nagar-608002, India

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Cite article:- Gokulakrishnan J., Kumar Sunil B., Prakash M. (2024). STUDIES ON GENETIC DIVERSITY IN MUNG BEAN (Vigna radiata L.). Legume Research. 35(1): 50 - 52. doi: .

ABSTRACT

Genetic divergence among thirty genotypes was estimated using Mahalanobis's D2 statistic and total of six clusters were formed. Cluster II contained the highest number of thirteen genotypes followed by cluster I with eight genotypes and clusters V and VI contained one genotype each. The pattern of distribution of genotypes from different geographical locations into six clusters was random, demonstrating that geographical isolation may not be the only factor causing genetic diversity. The highest intra-cluster distance was observed for cluster V (17.30) and the lowest was observed for cluster I (9.52). While the highest inter-cluster distance was observed between cluster I and V (39.22). Cluster V recorded the highest mean for seed yield per plant, number of pods per plant, number of branches per plant, number of seeds per pod and 100 seed weight. Therefore, it was concluded that more emphasis should be given on cluster V for selecting genotypes as parents for crossing with the genotypes of cluster I which may produce new recombinants with desired traits.

REFERENCES

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  2. Henry, A. and. Mathur, B K. 2007. Correlation studies of quality parameters, seed yield and maturity period in cluster bean. J. Arid Legumes, 5(1):70-74.
  3. Loganathan, P.K. Saravanan and J. Ganesan, (2001). Genetic analysis of yield and related components in green gram (Vigna radiata L.). Research on crops, 1:34-36.
  4. Mahalanobis, P. C. 1936. On the generalized distance in statistics. In: Proc. Nation Acad. Sci., India. 2:49-55.
  5. Rahim, M A. 2010. Genetic variability, character association and genetic divergence in mungbean (Vigna radiata L. Wilczek). Plant Omics. 3(1):1-6.
  6. Rao, C.R. (1952). Advanced Statistical Methods in Biometrical Research, John Wiley and Sons, pp 390.
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