PEST RISK ANALYSIS (PRA) TRAINING Group Exercises Manual

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GROUP EXERCISE NO. 2 PEST RISK ANALYSIS TRAINING - GROUP EXERCISES MANUAL Part 2 (60 minutes) Scenarios and datasheets for several organisms are provided (Examples 1-8). For each example, identify the initiation point and the PRA area. Then, answer the following questions to determine whether each organism meets the definition of a quarantine pest. 1. Identity of Pest • Is the organism clearly a single taxonomic entity and can it be adequately distinguished from other entities of the same rank? • If the causal agent of particular symptoms has not yet been fully identified, has it been shown to produce consistent symptoms and to be transmissible? Pest Identity Pest Type If the answer is no, the PRA process may stop. Possibly, further research is necessary to go on with the PRA. 2. Presence or absence in PRA area • Does the pest occur in the PRA area? • If so, is the pest widely distributed in the PRA area? Present in PRA Area? Widely distributed in PRA Area? Important Assumptions Yes [__] No [__] Comment: Yes [__] No [__] Comment: If the pest is present and widely distributed in the PRA area, the PRA may stop (remember the definition of a quarantine pest). If the pest is present in the PRA area, but not widely distributed there, it should be under official control or expected to be under official control in the near future (see Question 3). If the pest is absent from the PRA area, continue with Question 4. 3. Regulatory status Regulated in PRA Area? Yes [__] No [__] Comment: Important Assumptions If the pest is present in the PRA area and not under official control, the PRA may stop. 4
PEST RISK ANALYSIS TRAINING - GROUP EXERCISES MANUAL GROUP EXERCISE NO. 2 4. Potential for establishment and spread in the PRA area • Does the known area of current distribution of the pest include ecoclimatic conditions comparable with those of the PRA area or sufficiently similar for the pest to survive and thrive (consider also protected conditions)? • Does at least one host-plant species (for pests directly affecting plants) or one suitable habitat (for non parasitic plants) occur in the PRA area (outdoors, in protected cultivation or both)? • If a vector is the only means by which the pest can spread, is a vector present in the PRA area? Potential to establish and spread? Important Assumptions Yes [__] No [__] Comment: If the answer is no, the PRA may stop. If yes, go to Question 5. 5. Potential for economic consequences in PRA area • Is the organism in its area of current distribution a known pest of plants or plant products? • Does the organism have intrinsic attributes that indicate that it could cause significant harm to plants? (Some organisms may not be known to be harmful in their area of current distribution, but may nevertheless have the potential to become pests in the PRA area. This possibility may have to be considered in certain circumstances). • Could the pest by itself, or acting as a vector, cause significant damage or loss to plants or other negative economic impacts (on the environment, on society, on export markets) through the effect on plant health in the PRA area? Potential for economic consequences? Important Assumptions Yes [__] No [__] Comment: If the answer is no, the PRA may stop. 5
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Page 3 and 4: Table of Contents Acknowledgements.
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PEST RISK ANALYSIS (PRA) TRAINING Group Exercises Manual

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