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Binomial Sequential Sampling Plans and Decision Support Algorithms for Managing the Russian Wheat Aphid (Homoptera: Aphididae) in Small Grains

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A sequential-interval procedure was developed to calculate upper and lower stop values of binomial sequential sampling models for the Russian wheat aphid, Diuraphis noxia (Kurdjumov), infesting small grains. This procedure was developed for economic thresholds of 5, 10, and 20% infested tillers and will calculate upper and lower stop values for most proportions of maximum allowable sequential errors between 0.01 and 0.5. Average sample number and proportion of incorrect classification curves were established with three binomial sequential sampling models. In addition, the influence of maximum allowable number of samples and three terminal-error philosophies on the proportion of incorrect classifications was investigated. The sequential-interval procedure was tested via computer-simulated sampling experiments and field evaluations in Colorado, Idaho, Montana, Nebraska, and Wyoming. A computer program enabled users to produce easily sequential sampling stop values via the sequential-interval procedure.

Document Type: Research Article

Publication date: December 1, 1994

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  • 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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