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Issue:ISSN 2095-1353
           CN 11-6020/Q
Director:Chinese Academy of Sciences
Sponsored by:Chinese Society of Entomological;institute of zoology, chinese academy of sciences;
Address:Chaoyang District No. 1 Beichen West Road, No. 5 hospital,Beijing City,100101, China
Your Position :Home->Past Journals Catalog->2013年50 No.2

Pesticide susceptibility and carboxylesterase activity in two field populations of Panonychus citri(Acari: Tetranychidae)
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Key Words:Panonychus citri, resistance monitoring, CarE

        Samples from two populations of the citrus red mite collected from citrus orchards were assayed for susceptibility to abamectin, chlopyrifos, fenpropathrin and pyridaben. The results indicate that the Beibei population displayed a 3, 3 and 22fold resistance ratio, respectively, to chlopyrifos, fenpropathrin and pyridaben compared to a susceptible strain. The Wanzhou population exhibited a 2, 35, 10 and 2fold resistance ratio, respectively, to the same pesticides. Enhancement of CarE activity was involved in resistance to chlopyrifos in both populations. Inhibition of chlopyrifos activity differed between the two mite populations and was stronger in the Wanzhou population than the susceptible strain.

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