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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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Original Research Articles

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.2018.7(7): 3503-3510
DOI: https://doi.org/10.20546/ijcmas.2018.707.406


Genetic Variability and Heritabilty for Fodder and Grain Yield Related Characters in F2 Populations of Cowpea (Vigna unguiculata (L.) Walp.)
Bala Dinakar*, K. Sridhar, N.S. Kulkarni, Vinod Kumar and Gitanjali Sahay
Southern Regional Research Station, Indian Grassland and Fodder Research Institute, (IGFRI), Dharwad-580005 (Karnataka), India
*Corresponding author
Abstract:

Available variability in cowpea is meagre due to its breeding behaviour. However, variability is the prerequisite for improvement of yield levels in cowpea. In present study an experiment was conducted to estimate genetic variability, heritability and genetic advance expressed as per cent of mean, an investigation was carried out with two F2 populations of MFC-09-1 × PL-3 and MFC-09-12 × UPC-8705 in cowpea. Considerably high amount of variability was observed for the thirteen quantitative and qualitative characters under study. Environmental influence was minimum for the expression of most of the traits which is evident from narrow difference between phenotypic co-efficient of variation (PCV) and genotypic co-efficient of variation (GCV) estimates. Heritability in broad sense was high for most of the traits coupled with high genetic advance as per cent over mean indicated presence of additive gene action for the characters in both the populations. Good number of superior segregants was isolated for seed and green fodder yield related traits in both the F2 populations.


Keywords: Dual purpose cowpea, Heritability and variability
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How to cite this article:

Bala Dinakar, R., K. Sridhar, N. S. Kulkarni, Vinod Kumar and Gitanjali Sahay. 2018. Genetic Variability and Heritabilty for Fodder and Grain Yield Related Characters in F2 Populations of Cowpea (Vigna unguiculata (L.) Walp.).Int.J.Curr.Microbiol.App.Sci. 7(7): 3503-3510. doi: https://doi.org/10.20546/ijcmas.2018.707.406