Vol. 8, Issue 6 (2020)
Trait association and contributing effect of various traits in different groups of cowpea (Vigna unguiculata L. walp) varieties
Author(s): Anjali Singh and Dr. Shweta
Abstract: Understanding the nature and extent of association between yield and yield related traits is the prerequisite study for any underutilized crop improvements of sustainable genetic enhancement. However, there is a lack of sufficient information on seed yield and related trait correlation and path coefficient analysis of cowpea Thirty two cowpea genotypes were tested in randomized block design during Kharif 2015-16 & 2016-17 at student farm of Chandra Shekhar Azad University of Agriculture & Technology, Kanpur (U.P). The magnitude of genotypic correlations was higher than phenotypic correlations in most traits at both year; this implies that the traits under consideration were genetically controlled. Seed yield was positively and highly significantly correlated with most of the traits at phenotypic and genotypic levels. The analysis of variance revealed that there was a significant difference among thirty two genotypes. The thirty two cowpea varieties were evaluated for eleven quantitative characters viz. days to flower initiation, days to maturity, plant height (cm), pod length (cm), number of pods per plant, number of branches per plant, leaf length (cm), leaf width (cm), leaf: stem ratio, stover of yield per plant (gm.) and seed yield per plant (gm.). Genotypic correlation coefficient were higher than the corresponding phenotypic correlation coefficient for all the character under study. Seed yield per plant showed highly positive association ship with days to flower initiation, days to maturity, plant height, number of pods per plant, leaf width, leaf: stem ratio and stover yield per plant. Almost all traits genotypic direct and indirect effects were higher than the phenotypic direct and indirect effects; this indicated that the other traits had a strong genetically inherited relationship with seed yield. The information obtained from this study can be used for genetic enhancement of cowpea thereby developing high yielding varieties.
DOI: 10.22271/chemi.2020.v8.i6t.10957
Pages: 1397-1400 | 370 Views 76 Downloads
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How to cite this article:
Anjali Singh, Dr. Shweta. Trait association and contributing effect of various traits in different groups of cowpea (Vigna unguiculata L. walp) varieties. Int J Chem Stud 2020;8(6):1397-1400. DOI: 10.22271/chemi.2020.v8.i6t.10957
