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Research Article Open access CC BY 4.0

Susceptibility of Mycosphaerella fijiensis to Mefentrifluconazole in Industrial Banana Plantations in Côte d'Ivoire : An In vitro Study

YAO Kouadio Jacques Edouard, N’GUESSAN Patrick Henri, Tuo Seydou, GUINAGUI N’Doua Bertrand, Camara Brahima, Kassi Koffi Fernand Jean-Martial, Kone Daouda

Annual Research & Review in Biology · pp. 62–73 · Published 17 Jan 2025

10.9734/arrb/2025/v40i12190

Abstract

Banana Sigatoka, caused by Mycosphaerella fijiensis, severely impacts banana production in Côte d'Ivoire. This study evaluates the susceptibility of M. fijiensis isolates to mefentrifluconazole, a new triazole fungicide, compared to difenoconazole. In vitro tests on 17 isolates from industrial plantations revealed IC50 values ranging from 0.005 to 0.073 mg/L (average 0.037 mg/L), indicating high sensitivity. Growth inhibition rates were higher for mefentrifluconazole, demonstrating its superior efficacy. These results suggest mefentrifluconazole as a promising alternative for managing black spot and mitigating resistance development.

Black spot banana mycosphaerella fijiensis mefentrifluconazole Côte d’Ivoire

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