National Academy of Agricultural Sciences (NAAS)
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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 |
Thirty genotypes of cowpea were grown during the rainy season of 2014-2015 to study the interrelationship among quantitative traits. The experiment was laid out in a randomized complete block design (RCBD) with three replications at the Research Field of the Department of Plant Breeding and Genetics, MPUAT University, Rajasthan. Correlation studies revealed that seed yield was significantly and positively correlated with clusters per plant (rg= 0.466**, rp= 0.361**), pods per plant (rg= 0.505**, rp=0.442**), biological yield (0.738**, rp=0.705**), harvest index (0.223*, rp= 0.354**) and 100-grain weight (0.354**, rp=0.340**). The path coefficient analysis based on seed yield, as a dependent variable, revealed that biological yield had the greatest positive direct effect on seed yield (1.228) followed by harvest index (0.828), pod length (0.109) and branches per plant(0.107). Correlation and path analysis indicated that for increasing seed yield in cowpea direct selection should be carried out for higher values of biological yield per plant, harvest index, pod length and primary branches per plant.
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