Calculation of Economic-injury Levels and Economic Thresholds for Pest Management

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Abstract:

General formulas for calculating economic-injury levels and economic thresholds are presented. Terms and variables are defined, and important underlying assumptions are explicitly described. Concepts regarding scheduling and temporal dynamics are presented to assist in proper use of the formulas. New formulas that consider expanded concepts of the economic-injury level and economic threshold permit calculation of multiple levels at a given time, dynamic levels that change over time, and multidimensional levels that consist of the densities of more than one life stage or species.

Document Type: Research Article

Publication date: April 1, 1987

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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