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Your Position :Home->Past Journals Catalog->2011年48 No.3

Mechanisms of imidacloprid resistance in Frankliniella occidentalis
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Key Words:Frankliniella occidentalis, insecticide resistance, cytochrome P450, cytochrome b5, methoxy resorufin Odemethylase
Abstract:        Imidacloprid is a key insecticide universally used for control of the western flower thrip (WFT), Frankliniella occidentalis (Pergande).Resistance to imidacloprid had been studied previously in laboratory selected strains in other insects.These studies mainly attribute imidacloprid resistance to enhanced P450, b5 and methoxy resorufin O-demethylase (MROD) monooxygenases detoxification.Further studies revealed that imidacloprid resistant hoppers did not show cross-resistance to acetamiprid and spinosad insecticides.Thus, alternate use of neonicotinoids and spinosad could be an effective method of managing pesticide resistance in this pest.
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