First report of Fusarium oxysporum f. sp. cubense Tropical race 4 in Mayotte
The NPPO of France recently informed the Secretariat of the first finding of Fusarium oxysporum f. sp. cubense Tropical race 4 in Mayotte (overseas territory). The pathogen was detected in one plot of banana (Musa sp.), varieties Baraboufaka (ABB, sub-group Bluggoe) and Kissoukari (AAB, sub-group of Silk) in Poroani, south west of Mayotte. Symptoms (yellowing and wilting associated with the presence of necrotic vascular bundles) were observed in October 2019. The fungus was identified by PCR, isolation in pure culture and determination of its vegetative compatibility group.
The pest status of Fusarium oxysporum f. sp. cubense Tropical race 4 in Mayotte is officially declared as: Present, only in some parts of the Member State concerned.
Sources
NPPO of France (2020-01).