The 2005 ESA Annual Meeting and Exhibition
December 15-18, 2005
Ft. Lauderdale, FL

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Friday, December 16, 2005 - 1:42 PM
0644

Comparison of single and combination treatments of P. persimilis, N. californicus and Acramite for control of twospotted spider mite in Florida strawberries

Elena M. Rhodes, erhodes@ufl.edu1, Oscar E. Liburd, oeliburd@mail.ifas.ufl.edu, and Crystal Kelts, gatorbug21@hotmail.com2. (1) University of Florida, Entomology & Nematology Department, Natural Area Drive, Building 970, Gainesville, FL, (2) University of Florida, Department of Entomology and Nematology, PO Box 110620, Gainesville, FL

Laboratory and field experiments were conducted over two field seasons to determine the effectiveness of single and combination treatments of Phytoseiulus persimilis Athias-Henriot, Neoseiulus californicus McGregor, and Acramite (Bifenazate) for control of twospotted spider mite (TSSM) (Tetranychus urticae Koch) in Florida strawberry fields. Both the Acramite/N. californicus and Acramite/P. persimilis combinations significantly reduced TSSM populations below untreated (control) plots. However, single treatments of N. californicus were more effective in reducing TSSM populations compared with the P. persimilis/N. californicus combination treatment.


Species 1: Acari Tetranychidae Tetranychus urticae (Twospotted Spider Mite)
Species 2: Acari Phytoseiidae Phytoseiulus persimilis
Species 3: Acari Phytoseiidae Neoseiulus californicus
Keywords: Strawberry, Mite Control

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