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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(11): 379-388
DOI: https://doi.org/10.20546/ijcmas.2017.611.043


Genetic Divergence Analysis of Inbred Lines of Okra [Abelmoschus esculentus (L.) Moench]
D. Vishnu Priyanka1*, M. Thirupathi Reddy2, H. Begum2, N. Sunil3 and M. Jayaprada1
1College of Horticulture
2Vegetable Research Station, Dr. Y.S.R. Horticultural University, Rajendranagar, Hyderabad-500 030, Telangana, India
3Directorate of maize research, Rajendranagar, Hyderabad-500 030, Telangana, India
*Corresponding author
Abstract:

Genetic divergence analysis following Mahalanobis D2 statistics revealed considerable genetic diversity among 29 genotypes of okra [Abelmoschus esculentus (L.) Moench] for all the eighteen characters which pertaining to the growth, earliness and yield. Twenty nine genotypes were grouped into 5 distinct clusters depending upon the similarities of their D2 values following Tocher’s method. The characters YVMV infestation, fruit length and days to 50% flowering with high per cent of contribution to total divergence were the potent variables in differentiating the breeding material under study. The use of diverse inbred lines from the divergent clusters with high intercluster distance (cluster III and IV, I and III and clusters II and III) in hybridization is expected to result in high heterosis and throw desirable transgressive segregants. The genotypes of two solitary clusters (cluster II and IV) being diverge from others may also serve as potential inbred parents for breeding programmes.


Keywords: Clustering pattern, Genetic diversity, Mahalanobis D2 statistics, Multivariate analysis, Tocher’s method.
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How to cite this article:

Vishnu Priyanka, D., M. Thirupathi Reddy, H. Begum, N. Sunil and Jayaprada, M. 2017. Genetic Divergence Analysis of Inbred Lines of Okra [Abelmoschus esculentus (L.) Moench].Int.J.Curr.Microbiol.App.Sci. 6(11): 379-388. doi: https://doi.org/10.20546/ijcmas.2017.611.043