Zone de Texte: EPPO PRA decision-support scheme Structure Ellipse: Initiation Reasons for doing a PRA Definition of PRA area Ellipse: Risk Assessment Probability of introduction (pathway, detection, survival in transit) Probability of establishment (host-plants, climate, vectors) Economic impact assessment (direct/indirect damage) Categorization as a quarantine pest Ellipse: Risk Management Acceptable risk? For each pathway identified: Identification of possible phytosanitary measures Efficacy of these measures Proposed phytosanitary measures

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