Baseline Susceptibility and Cross Resistances of Some New Acaricides in the European Red Mite, Panonychus ulmi* |
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| Authors: | D J Pree K J Whitty L Van Driel |
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| Institution: | (1) Agriculture and Agri-Food Canada, Southern Crop Protection and Food Research Centre, Vineland Station, L0R 2E0, Ontario, Canada |
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| Abstract: | We have developed baseline susceptibility values for four new acaricides: bifenazate, acequinocyl, spirodiclofen and etoxazole
for eggs or adult females of a susceptible laboratory population of Panonychus ulmi (Koch) (Acari: Tetranychidae). Further, we have tested diagnostic concentrations of each acaricide against populations resistant
to organochlorine, organotin or IGR-type acaricides. Resistance to etoxazole (ca. 4-fold) was identified in populations resistant
to the IGRs clofentezine and hexythiazox.
*The Canadian Crown’s right to retain a non-exclusive, royalty-free licence in and to any copyright is acknowledged. |
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| Keywords: | Acaricides Acequinocyl Bifenazate Etoxazole European red mite Resistance Spirodiclofen |
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