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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
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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(1): 378-386
DOI: https://doi.org/10.20546/ijcmas.2019.801.039


Assessment of Genetic Diversity in Thirty-Five Genotypes of Oilseed Brassica Species using Principal Component Analysis
M.C. Gupta1*, A.K. Sharma1, A.K. Singh1, Himadri Shekhar Royand Sudhir Singh Bhadauria3
1Department of Plant Breeding & Genetics, College of Agriculture, Gwalior-474002 (MP), India
2Department of Statistical Genetics, IASRI, Library Avenue, Pusa, New Delhi-110012, India
3Department of Agronomy, College of Agriculture, Gwalior-474002 (MP), India
*Corresponding author
Abstract:

The principal component and factor analyses of 35 genotypes of different Brassica species was carried for pooled data of two years 2015-16 and 2016-17. The PCA indicated that first four principal components showed eigen values more than one and explained more than 80% of total variability in pooled analysis. Based on Varimax Rotation all fourteen characters were grouped in eight principal factors and siliquae per plant, plant height, main shoot length and siliquae on main shoot were the major contributing traits which accounted for 69.33% of total variation of 82.46%. The hierarchical cluster analysis divided 35 genotypes into six clusters. The cluster IV appeared as the largest cluster containing maximum numbers of genotypes 23 under pooled analysis. The mean performance of different clusters revealed wide range of differences among clusters. The genotypes V20 (GPM-O-1 X PT-303), V16 (PL-58 X BN-11), V27 (GPM-O-58), V5 (NGM-17 X T-42) and V15 (PL-58 X BN-10) in cluster IV showed very good performance for seed & oil yield per plant. While genotypes V11 (T-42 X NGM-17), V10 (T-42 X GPM-O-58), V19 (T-42 X PL-58) and V33 (T-42) in cluster III, IV and V exhibited very good performance for oil content.


Keywords: Principal component, Cluster, Genotypes, variable, Brassica
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How to cite this article:

Gupta, M.C., A.K. Sharma, A.K. Singh, Himadri Shekhar Roy and Sudhir Singh Bhadauria. 2019. Assessment of Genetic Diversity in Thirty-Five Genotypes of Oilseed Brassica Species using Principal Component Analysis.Int.J.Curr.Microbiol.App.Sci. 8(1): 378-386. doi: https://doi.org/10.20546/ijcmas.2019.801.039