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The Maximum Pest Limit Concept Explained

G. Hughes

November 2003

Review

The maximum pest limit (MPL) concept was developed to implement quarantine security measures against the import of invasive pest species of plants. The MPL itself is simply a threshold upper limit, above which the pest species in question is deemed capable of establishing a population if imported in a consignment of fruit or vegetables. If a specified level of treatment efficacy is required, then choice of an appropriate sample size becomes the main problem for regulatory authorities seeking to maintain quarantine security. Part of the proceedings of "Managing Risk to Minimize Crop Loss," a symposium organized by the Plant Disease Losses and Regulatory Committees of APS.

doi:10.1094/PHP-2003-1113-05-RV

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