Effects of botanical acaricides on Tetranychus urticae and compatibility with the predatory mite Amblyseius swirskii
ARCHIVES OF PHYTOPATHOLOGY AND PLANT PROTECTION(2023)
摘要
The evaluation of biorrational products to control the two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae), is of primary importance in the agriculture sector. In this study, we evaluated the effects of commercial botanical acaricides (BAs) on T. urticae and its predatory mite Amblyseius swirskii Athias-Henriot (Acari: Phytoseiidae). In the laboratory, T. urticae was exposed to acaricide-immersed leaves and A. swirskii to acaricide-coated glass vials. In the greenhouse, potted eggplants infested with mites were sprayed with different BAs. In the laboratory, Zea mays oil-based and Glycine max oil-based BAs caused more than 95% and 80% mortality of adults after 48 h of application and caused also 100% mortality of eggs. Residual exposure of A. swirskii adults to the BAs caused 45-60% mortality. In the greenhouse, these BAs caused more than 50% decrease in the population of T. urticae for 21 d.
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关键词
Biorational acaricides,phytophagous mite,mite management
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