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International Journal of Zoology and Applied Biosciences Research Article
Influence of number of seedling per planting hole on niebe (Vigna unguiculata l. walp) agronomic parameters cultivated in Daloa, Côte d’ivoire
Gnamien Y G, Kouassi N J, Nanti B T J-I, Kouame N, Ayolié K, Kouadio Y J
Year : 2024 | Volume: 9 | Issue: 4 | Pages: 59-67
Received on: 08/05/2024
Revised on: 17/05/2024
Accepted on: 22/07/2024
Published on: 04/08/2024
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Gnamien Y G, Kouassi N J, Nanti B T J-I, Kouame N, Ayolié K, Kouadio Y J( 2024).
Influence of number of seedling per planting hole on niebe (Vigna unguiculata l. walp) agronomic parameters cultivated in Daloa, Côte d’ivoire
. International Journal of Zoology and Applied Biosciences, 9( 4), 59-67.
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Abstract
Cowpeas (Vigna unguiculata (L) walp) are one of the important plants in mostAfricancommunitieswherethey are grown. Cowpeasrepresent an easily transportable source of protein. Despiteits importance, itconfrontedwithnumerous cultural constraints. This workwasundertaken to evaluate the influence of number of plants per sowing point and seedingspacing on the growth and production of cowpeawith a view to increasingcowpeayield. The trial was set up in a threereplicates plot block design. The main plots consisted of the number of plants per sowing point (one plant per sowing point, two plants per sowing point and three plants per sowing point) at threespacingsresulting in the followingstand : Plots with a density of 20cm x 20cm had (225 ;450 ; 675) plants per sowing point, thosewith a density of 30cm x 30cm had (100 ;200 ; 300) plants per sowing point and finallythosewith a density of 40cm x 40cm had (56 ;112 ; 168) plants per sowing point. Observations were made on growth and yieldparameters. The resultsshowedthatthree plants per plot at high densitiesresulted in loweryields. Sowingtwo plants per sowing point at differentspacingsresulted in a 50% decrease in yieldcompared to sowing one plant per plot. On the other hand, the highestyieldwasobtainedwith the one plant per sowing point at lowdensity. On the other hand, the differentspacingsadoptedinducedsignificanteffects for eighttenths of the observedparameters. The sowing of cowpea at 40 cm x 40 cm spacingwith one plant per sowing pointwouldeffectivelyincrease the yield of thiscrop in the city of Daloa.
Keywords
Cowpea, Number of plants, Sowing point, Yield, Density.
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© The Author(s) 2025. This article is published by International Journal of Zoology and Applied Biosciences under the terms of the Creative Commons Attribution 4.0 International License (creativecommons.org), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
