Prevention, preparedness and response guidelines for Fusarium Tropical Race 4 (TR4) of banana
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Fusarium Tropical Race 4 (TR4) of bananas is the biggest threat to worldwide banana production. The increasing incursions into new territories motivate this document to provide guidance to prevent, prepare, and respond to TR4 outbreaks. The guidelines highlight actions to prevent the TR4 spread, highlight critical operational actions to prepare the governments' capacities to respond to TR4 outbreaks, and mention the technical and operational actions to approach TR4 containment when detected in a new territory.
The guidelines identify actions that national plant protection organizations and relevant stakeholders may undertake before TR4 of bananas incursion in new territories. For such purposes, it provides pertinent biological and scientific information to base measures and collect information to guide the safe international trade movement of the plants, plant products, and regulated articles that can spread the TR4 of bananas. It comprises elements for pest risk analysis, phytosanitary regulations, official diagnostics, and surveillance for detection purposes. Likewise, it provides information on the first response, that considering the limited technical feasibility of eradicating the fungi, focuses on the containment measures by guiding surveillance for delimiting purposes and phytosanitary measures to contain an outbreak.
Early detection and response are crucial to containing the outbreaks of TR4 of bananas. For such purposes, the guidelines include information to recognize suspect plants in the field, identify the phytopathological and molecular techniques for an appropriate diagnosis, quarantine actions and cite a suitable protocol for destroying infected plants.