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Selection of low toxic insecticides for phytoseiid predatory mites, Amblyseius cucumeris and Amblyseius fallacis  

Choi, Byeong-Ryeol (National Institute of Agricultural Science and Technology, RDA)
Hilton, S.A. (Southern Crop Protection and Food Reaearch Centre, AAFC)
Broadbent, A.B. (Southern Crop Protection and Food Reaearch Centre, AAFC)
Publication Information
The Korean Journal of Pesticide Science / v.7, no.4, 2003 , pp. 296-301 More about this Journal
Abstract
This study was conducted to select low toxic insecticides against natural enemies, and to evaluate resistance stability and cross-resistance to resistance strain for the fulfillment of integrated pest management development. Toxicity of imidacloprid and spinosad to Amblyseius cucumeris was relatively low regardless of the adopting test methods. In addition, those to the Amblyseius fallacis was also low by slide dipping method. The slide dipping method was useful to eliminate repellency effect by mites to the tested insecticides. Mortality of A. fallacis to deltamethrin recorded in 1994 and 1999 was 21.6% and 7.4%, respectively. Meanwhile, the permethrin-resistanct strain of A. fallacis was maintained its resistance to deltamethrin. However, the cross-resistance to the newly introduced insecticides namely imidacloprid, fipronil, chlorfenapyr, abamectin, and spinosad. was relatively low.
Keywords
Amblyseius cucumeris; Amblyseius fallacis; pesticide resistance; slide dipping method; potter spray tower method;
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