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Developing a Cost Effective and Reliable Integrated Management Program for Western Flower Thrips 2002

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Project Leader(s): John Sanderson, Dept. of Entomology, Cornell University, Ithaca, NY

Gary Couch, NYS IPM Program, Cornell Coop. Exten. of Orange County

Chris Logue, Cornell Coop. Exten. of Schenectedy Co.

Teresa Rusinek, Cornell Coop. Exten. of Ulster Co.

Cooperator(s): Roy Van Driesche, Dept. of Entomology, UMASS, Amherst, MA

Type of grant:

Biological control and pest biology

Pheromones; biorationals; microbials; conventional pesticides

Project location(s): This applied research project was conducted in commercial greenhouses in Orange, Ulster, and Schenectedy counties, but findings could be applied throughout the Northeast.

Abstract: We tested whether biweekly releases of the predaceous mite Neoseiulus (Amblyseius) cucumeris can be integrated with minimal application(s) of the reduced-risk insecticide spinosad (Conserve®) to provide cost-effective and reliable control of the western flower thrips, Frankliniella occidentalis, in commercial greenhouse flower crops, and thus increase the attractiveness of this program for widespread grower adoption. Results were unfortunately too variable, due to overall low thrips levels, to draw reliable conclusions about the effectiveness of each treatment.

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