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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(6): 847-855
DOI: https://doi.org/10.20546/ijcmas.2019.806.102


Genetic Diversity Analysis Through D2 Statistic for Quantitative Traits in Germplasm Lines of Green Gram [Vigna radiata (L.) Wilczek]
M.S.P. Kanavi1*, S. Rangaiah2 and C.R. Anusha3
1Department of Genetics and Plant Breeding, College of Agriculture, Hassan, University of Agricultural Sciences, Bengaluru, Karnataka, India
2Department of Genetics and Plant Breeding, College of Agricultures, G.K.V.K Bengaluru, University of Agricultural Sciences, Bengaluru, Karnataka, India
3Department of Genetics and Plant Breeding, Naini Agricultural Institute, Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad, Uttar Pradesh, India
*Corresponding author
Abstract:

Fifty-six germplasm lines of green gram [Vigna radiata (L.) Wilczek] were used to determine the extent of genetic diversity using Mahalanobis D2 statistic. The analysis was carried out for 20 quantitative traits. The D2 statistic performed on 20 quantitative traits grouped all 56 genotypes into eight divergent clusters. Cluster V (8559.766) had maximum intra-cluster distance while inter-cluster distance was highest between clusters III and VI(329997.938) Cluster means indicated that germplasm lines falling in cluster III and V possessed higher values for quantitative traits such as plant height, plant diameter, number of pods per cluster, number of pods per plant, number of seeds per pod, pod yield per plant, pod length, threshing %, leaf area, specific leaf weight, leaf area ratio, seed yield per plant, seed yield per plot and biological yield. Thus suggesting presence of high amount of genetic diversity between the genotypes of these clusters and expected to give higher frequency of transgressive segregants for higher yield. The present study revealed that Mahalanobis D2 statistic may be successfully utilized for determining genetic diversity and relationships among germplasm lines of Green gram.


Keywords: Green gram germplasm lines, Mahalanobis D2 statistic, Genetic diversity
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How to cite this article:

Kanavi, M.S.P, S. Rangaiah and Anusha, C.R. 2019. Genetic Diversity Analysis Through D2 Statistic for Quantitative Traits in Germplasm Lines of Green Gram [Vigna radiata (L.) Wilczek].Int.J.Curr.Microbiol.App.Sci. 8(6): 847-855. doi: https://doi.org/10.20546/ijcmas.2019.806.102