Abstract
The present study was to determine and compare in vitro the antifungal activity of two essential oils from Melaleuca quinquenervia L. and Eucalyptus platyphylla F. Muell. with those of two synthetic fungicides (tebuconazole and spiroxamine) on Deightoniella torulosa (Syd.) Ellis, a pathogenic fungus of bananas and plantains in Côte-d’Ivoire. These oils were added to PDA medium at various concentrations. They showed a toxic activity by reducing considerably the mycelia growth and by inhibiting the production of spore respectively at 7,000 and 10,000 ppm. The synthetic fungicides had a high activity according to their concentrations. They are highly toxic on Deightoniella torulosa with IC50 widely lower than those of essential oils. Thus, essential oils can be an effective biological product to control Deightoniella torulosa.
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