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The sensitivity of botanical insecticide celangulins to Helicoverpa armigeraHubner resistant to hoxim and Fenvalerate

DING Wei 1,WU Wen jun 2,ZHAO Zhi mo 1 (1 Department of plant protection,Southwest Agricultural University,Chongqing 400716,China;2 Department of plant protection,Northwest Agricultural University,Shanxi 712100,China)  
The resistance level of Helicoverpa armigera Hubner which is a multiple resistance strain (resistant to organophosphorus and Pyrethoid insecticides) to botanical insecticides celangulins was 2 95 fold (bioassay by leaf immersion method) and 2 28 fold (bioassay by sample incorporated in the diet) compared with susceptible strain.The result indicate that botanical insecticides celangulins had no marked cross resistance with organophosphorus (phoxim) and pyrethoid (fenvalerate) insecticides.
【Fund】: 国家自然科学基金资助项目! (29522003)
【CateGory Index】: S435.622.3
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