Author(s):

Y Sudharani, Priyadarshani P Mohapatra, N Mounica, D Triveni and Sagar Maitra

Abstract: The performance of three cowpea genotypes (SB-2, Rawati, Baramasi) with four levels of phosphorus (0, 20, 40 and 60 kg P₂O₅/ha) was studied at Bagusala farm of M.S.Swaminathan School of Agriculture, Centurion University of Technology and Management, Paralakhemundi, Gajapati, Odisha. The treatments were laid using Factorial Randomized Block Design and replicated thrice with the individual plot size of 12m². The result obtained from the analysis data indicated that cowpea genotypes are significantly different. Plant growth parameters study included such as plant height, number of leaves per plant, number of branches per plant and days to first flowering. Yield parameters such as number of pods/plot and 100-seed weight (g) and both of green pod yield (kg/plot) and seed yield (kg/plot) were recorded. Results showed significant response to the application of phosphorus which equally influenced the growth and yield components as well as yield of cowpea. Baramasi genotype gave early flowering followed by SB-2 and Rawati. The effect of genotypes and phosphorus levels showed that the genotype Baramasi gave the maximum (5.22 kg) pod yield/plot in terms of pod yield/ha (4355 kg). Further, Baramasi genotype produced highest seed yield/plot (1.15 kg/plot) in terms of hectare (965 kg) and minimum was noted with the genotype Rawati (0.97 kg/plot). In case of 100-seed weight, Baramasi registered the highest response with the application of 60 kg P₂O₅/ha. Thus based on these findings, application of 60 kg P₂O₅/ha can be recommended for better cowpea growth and yield. Similarly, genotype Baramasi can be recommended for better yield for Gajapati district of south Odisha. The performance of three cowpea genotypes (SB-2, Rawati, Baramasi) with four levels of phosphorus (0, 20, 40 and 60 kg P₂O₅/ha) was studied at Bagusala farm of M.S. Swaminathan School of Agriculture, Centurion University of Technology and Management, Paralakhemundi, Gajapati, Odisha.

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