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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.2018.7(2): 1382-1396
DOI: https://doi.org/10.20546/ijcmas.2018.702.167


Relationship among Different Secondary Traits and Seed Yield in Cowpea (Vigna unguiculata L. Walp)
R.R. Das*, P. Talukdar, Praveen Kumar and S.B. Neog
Department of Plant Breeding and Genetics, Assam Agricultural University, Jorhat-785013, India
*Corresponding author
Abstract:

Seed yield is the primary trait of interest, however, several secondary traits contributes in final yields. Contribution of various traits varies significantly, and therefore, identification of traits with their level of contribution into seed yield might help breeders in selection of high yielding cowpea varieties with simultaneous selection for seed along with trait(s) with higher contribution in final yields. We studied range of key secondary traits along with seed yield in cowpea genotypes to understand the hierarchy of contribution of various traits in seed yield. Analysis of variance revealed presence of significant variation among the genotypes for all the characters studied. Genetic coefficient of variation, heritability and genetic advance was high for seed yield. Path coefficient analysis clearly revealed that clusters of pod per plant exhibited maximum direct positive effect on seed yield per plant both at phenotypic and genotypic levels. However, pod length followed by plant height, test weight and pods per cluster exhibited negative direct effect phenotypically. We conclude that among various traits the clusters of pod per plant might be considered as a potential character contributing towards increasing seed yield which could be used as selection criteria along with seed yield for genetic improvement of cowpea genotypes.


Keywords: Correlation, Cowpea, Genotypes, Interrelationship, Path analysis
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How to cite this article:

Das, R.R., P. Talukdar, Praveen Kumar and Neog, S.B. 2018. Relationship among Different Secondary Traits and Seed Yield in Cowpea (Vigna unguiculata L. Walp).Int.J.Curr.Microbiol.App.Sci. 7(2): 1382-1396. doi: https://doi.org/10.20546/ijcmas.2018.702.167