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Abstract
Sigatoka disease, caused by Mycosphaerella musicola Leach ex Mulder (Cercospora musae Zimm.), is presently the predominant form of banana leafspot in the Windward Islands and several other important banana growing countries. A simple method of monitoring for tolerance to fungicides using conidia of Cercospora musae is described. This method avoids the possible confusion that can occur with ascospores of other Mycosphaerella spp. Results so far have not revealed any pathogen tolerance to 5 ppm benomyl in the Windward Islands but the common leaf cohabitant Mycosphaerella musae (Speg.) Syd. is often tolerant. A rotation programme of fungicide applications is now recommended in the Windward Islands.
Notes
Paper presented at the Sixth Meeting of the Association for Cooperation in Banana Research in the Caribbean and Tropical America (ACORBAT), Pointe‐a‐Pitre, Guadeloupe, 15–21 May 1983.