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Efficiency of Export Plant Quarantine Inspection by Using Injury Marks

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All apples (Malus domestica) and cherries (Prunus avium) exported from the United States to Japan undergo quarantine treatments such as fumigation and cold treatment to prevent the transport of codling moth, Cydia pomonella (L.). As an alternative to these treatments, a procedure called the systems approach has been proposed. This approach aims at achieving quarantine security by integrating several protection efforts such as integrated pest management (IPM), postharvest removal of infested fruits, and export sampling inspection of consignments. The inspection suggested in this approach has 2 novel characteristics: (1) the existence of injury marks such as worm holes as well as live insects is used as a basis for the decision to reject the consignment, and (2) the sampling inspection is repeated several times. We propose a method to estimate the efficiency of this plant quarantine inspection, by assuming there is a constant probability that a fruit with injury marks contains live insects. The hypothetical example shows that the efficiency of sampling inspection is considerably improved by using the existence of injury marks. It is, however, suggested that the sampling inspection is not as effective as the quarantine treatments even if the existence of injury marks is used.

Keywords: export plant quarantine; proportion of infestation; sampling inspection

Document Type: Research Article

Publication date: August 1, 1999

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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