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The stability of tebufenpyrad resistance in two-spotted spider mite (Acari: Tetranychidae) under laboratory conditions

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Abstract

The successful use of chemical rotations to manage insecticide resistance requires reversion between alternate chemical applications. We tested a tebufenpyrad resistant population of Tetranychus urticae Koch after some 55 months laboratory culture without pesticide selection and found LC50 level resistance had dropped from 63.29- to 2.41-fold. However, the population was still heterogeneous with LC99 level resistance at 38.03-fold. It is likely that a lack of reversion contributed directly to the initial tebufenpyrad control failure.

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  1. EMAI, NSW Agriculture, PMB 8, Camden, NSW, 2570, Australia

    Grant Herron & Jeanette Rophail

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  1. Grant Herron
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  2. Jeanette Rophail
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Herron, G., Rophail, J. The stability of tebufenpyrad resistance in two-spotted spider mite (Acari: Tetranychidae) under laboratory conditions. Exp Appl Acarol 26, 253–256 (2002). https://doi.org/10.1023/A:1021186625123

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  • DOI: https://doi.org/10.1023/A:1021186625123

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