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Your Position :Home->Past Journals Catalog->2013年50 No.2

Determination of selection for resistance to spirodiclofen and its effect on detoxification enzymes in Tetranychus urticae
Author of the article:LI ZhongZhou**ZHOU YuShu***PIAO JingZiTIAN RuHaiGAO Ping
Author's Workplace:Plant Protection College, Shenyang Agricultural University, Shenyang110866, China
Key Words:Tetranychus urticae, spirodiclofen, resistance, activity of detoxifying enzymes, acaricides
Abstract:Selection of the twospotted spider mite (Tetranychus urtica Koch) for resistance to spirodiclofen and its effect on detoxification enzymes were investigated. After 35 generations of continuous selection, resistance to spirodiclofen was > 834 that of the original susceptible strain. Odemethlyase activity of the F35 generation was significantly higher than that of the F0 generation. There was, however, no obvious difference in glutathione Stransferase or carboxy lesterase activity between the resistant and susceptible strains. We conclude that the resistance of T. urticae to spirodiclofen is related to enhancement of Odemethlyase activity.
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