Impact of citrus thrips chemical treatments on the predatory mite Euseius tularensis

作者: I. Khan , J. G. Morse

DOI: 10.1111/J.1439-0418.2006.01068.X

关键词: MiteChlorfenapyrAcariSpinosadBotanyPhytoseiidaeBiologyToxicologyEuseiusCyfluthrinAbamectin

摘要: The impacts of four pesticides used for control citrus thrips, Scirtothrips citri (Moulton), were evaluated in both field and laboratory populations a predaceous mite, Euseius tularensis Congdon. Abamectin chlorfenapyr had the least impact on population E. mite levels mirrored those observed untreated but at slightly depressed level. Spinosad reduced mites somewhat they recovered to 50% level by end trial. Mite low throughout trial plots treated with cyfluthrin. As an overall summary statistic, cumulative predator mite-days ranged from 73.6% abamectin 67.1% chlorfenapyr, 36.8% spinosad 11.7% Three additional trials confirmed abamectin's minimal impact. In studies adult female mortality field-weathered, pesticide-treated leaves, cyfluthrin caused high day 1 after treatment all that not killed driven off leaf discs until 21. When placed abamectin, spinosad, or 67.5% died discs. By 7 days treatment, no material showed significant Implications integrated pest management are discussed.

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