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International Journal of Zoology and Applied Biosciences Research Article
Effectiveness of insecticides against three lepidopteran pests of Brassica oleracea in man district, West-cote d'ivoire
AKA Ahou Jeanne-Debora, DIABATE Dohouonan, FONDIO Drissa, AKPA Akpesse Alexandre Moïse and TANO Yao
Year : 2025 | Volume: 10 | Issue: 6 | Pages: 22-28
Received on: 20/08/2025
Revised on: 11/09/2025
Accepted on: 17/10/2025
Published on: 01/11/2025
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AKA Ahou Jeanne-Debora, DIABATE Dohouonan, FONDIO Drissa, AKPA Akpesse Alexandre Moïse and TANO Yao( 2025).
Effectiveness of insecticides against three lepidopteran pests of Brassica oleracea in man district, West-cote d'ivoire
. International Journal of Zoology and Applied Biosciences, 10( 6), 22-28.
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Abstract
Brassica oleracea is a widely consumed vegetable in Côte d'Ivoire. It is rich in vitamins and minerals and contributes to food security. This study was conducted to evaluate the effectiveness of five insecticides against three main lepidopteran pests of B. oleracea in Man district. The experimental design was a Fischer’s block with four replications on five half-hectare plots. Lepidopteran larvae and their damage were recorded ten times during the trial on twelve cabbage plants per plot. The insecticide Magic Force Gold 44 EC (Acetamiprid 29 g/l + Lamda-cyhalothrin 15 g/l) demonstrated the highest effectiveness against Plutella xylostella (0.25 larvae), Hellula undalis (0.25 larvae), and Spodoptera exigua larvae (1.25 larvae). The plants attack rates were 100%, 31.25%, 14.58%, 16.67%, and 70.83%, respectively, on the control plots, treated with Vipère 46 EC (Indoxacarb 30g/L + Acetamiprid 16 g/L), Tihan 175 OD (Spirotetramat 75 g/L + Flubendiamid 100 g/L), Magic Force Gold 44 EC (Acetamiprid 29 g/L + Lamda-cyhalothrin 15g/l) and Capaas 80EC (Ememectin benzoate 20 g/L + Abamectin 20 g/L + Acetamiprid 40 g/L) (F = 142.191; p = 0.0001). The damage intensity was type IV on untreated plots (72.92%), type III on cabbage plots treated with Capaas 80EC (37.50%), type II with Vipère 46 EC (12.50%) and type I on plots treated with Tihan 175 OD (3.65%) and Magic force gold 44 EC (4.17%). Spirotetramat 75/l + Flubendiamid 100g/l and Acetamiprid 29 g/l + Lamda-cyhalothrin 15 g/L can be used to the control of P. xylostella, H. undalis, and S. exigua.
Keywords
Brassica oleracea, Insecticides, Plutella xylostella, Hellula undalis, Spodoptera exigua.
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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.
