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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): 513-520
DOI: https://doi.org/10.20546/ijcmas.2019.801.056


Genetic Studies on Parental Diversity in Relation to Yield of Promising Hybrids in Upland Cotton (Gossypium hirsutum L.)
Udaya1* and Rajesh S. Patil2
1College of Agriculture, Dharwad, University of Agricultural Sciences, Dharwad, India
2Agriculture Research Station, Dharwad Farm, University of Agricultural Sciences, Dharwad, India
*Corresponding author
Abstract:

Genetic diversity in 13 parental upland cotton genotypes for 13 yield and yield attributing traits was studied using Mahalanobis D2 statistic. The parental hirsutum genotypes grouped in 5 clusters based on the traits investigated. The pattern of grouping of parental genotypes revealed the presence of considerable diversity in the genetic material. The inter cluster distance was greater than intra cluster distance, revealing considerable amount of genetic diversity among parental genotypes investigated. The forces other than geographical origin may have been responsible for genetic divergence among the parental genotypes. The cross CPD-462 × SCS-1061 yielded the highest seed cotton yield, which is of medium genetic divergence. In this study, it was interesting to note that rather than highly divergent genotypes, medium divergence resulted in superior yield, indicating that highly diverse parents were not imperative to heterosis.


Keywords: Genetic diversity, Mahalanobis D2 statistic, Clusters, Upland cotton
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How to cite this article:

Udaya, V. and Rajesh S. Patil. 2019. Genetic Studies on Parental Diversity in Relation to yield of Promising Hybrids in Upland Cotton (Gossypium hirsutum L.).Int.J.Curr.Microbiol.App.Sci. 8(1): 513-520. doi: https://doi.org/10.20546/ijcmas.2019.801.056