Author: Shubham Patil, V.N. Toprope and Krishna Gaiwal
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The present investigation was carried out to estimate genotypic and phenotypic correlation for the important yield and yield contributing characters using F2 generations of two crosses and four backcrosses of cowpea. The experiment was conducted during kharif season 2020-21 at Experimental Farm, Department of Agricultural Botany, College of Agriculture, Latur. The experimental material comprised of three parents, F2 and backcrosses. Observation were recorded on days to 50% flowering, days to maturity, number of primary branches per plant, plant height (cm), number of pods per plant, pod length (cm), number of seeds per pod, test weight (gm) and grain yield per plant (gm). In this investigation, the correlation with grain yield all nine character showed some positive and some negative correlation. The days to 50 per cent flowering, number of primary branches, number of pods per plant, number of seeds per pod, pod length (cm), and plant height (cm) and the negative correlation with only test weight (gm).
Cowpea, yield, Correlation analysis, Vigna unguiculata
The study may be useful to formulate the policies to improve upon the yield from cowpea crop on the basis of genotypic correlation and phenotypic correlation in yield and yield contributing character.
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