Insecticide susceptibilities of rose field-collected populations of western flower thrips, Frankliniella occidentalis in Korea

지역별 장미재배지에서 채집된 꽃노랑총채벌레의 살충제 감수성

  • Yu, Jeong-Soo (Department of Agricultural biology, Chungbuk National University) ;
  • Kim, Ju-Il (Department of Agricultural biology, Chungbuk National University) ;
  • Kim, Gil-Hah (Department of Agricultural biology, Chungbuk National University)
  • 유정수 (충북대학교 농과대학 농생물학과) ;
  • 김주일 (충북대학교 농과대학 농생물학과) ;
  • 김길하 (충북대학교 농과대학 농생물학과)
  • Published : 2002.06.30

Abstract

The activities against Frankliniella occidentalis adults collected at rose greenhouse of 40 commerical insecticides were investigated. Among them 9 insecticides showed over 80% mortality to the adults; chlorfenapyr, chlorpyrifos- methyl, emamectin benzoate, fenthion, fipronil, phenthoate, spinosad, chlorpyrifos+diflubenzuron and furathiocarb+diflubenzuron. Susceptibility of field populations collected from greenhouse rose at 5 locations in 2001 was evaluated against the 9 insecticides selected. There was considerable difference in susceptibility depending on the treated insecticides and the regions from which the populations were collected. Goyang and Gimhae populations showed lower $LC_{50}$(ppm) values then Imsil, Jincheon and Gaangjin populations to all the tested insecticides. The adults of all field populations showed lower $LC_{50}$ values less than 1 ppm to emamectin benzoate, fipronil and spinosad. From these results, we could recommend 5 insecticides, such as emamectin benzoate, fipronil, spinosad, chlorpyrifos+diflubenzuron and furathiocarb+diflubenzuron as effective ones to control the Frankliniella occidentalis field populations.

시판되고 있는 40종 살충제의 꽃노랑총채벌레(Frankliniella occidentalis) 성충에 대한 약제감수성을 검토한 결과 80%이상의 살충율을 보인 약제는 chlorfenapyr, chlorpyrifos-methyl, emamectin benzoate, fenthion, fipronil, phenthoate, spinosad, chlorpyrifos+diflubenzuron, furathiocarb+diflubenzuron이었다. 이들 약제에 대해 전국 5개 지역 장미재배지에서 채집한 지역집단의 약제감수성을 실험한 결과 고양과 김해집단이 임실, 진천, 강진집단보다 전반적으로 $LC_{50}$(ppm)값이 높았다. 그러나 emamectin benzoate, fipronil, spinosad는 모든 집단에서 $LC_{50}$이 1ppm이하로 낮게 나타났다.

Keywords

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