The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
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Selection of low toxic insecticides for phytoseiid predatory mites, Amblyseius cucumeris and Amblyseius fallacis

Amblyseius cucumeris 및 Amblyseius fallacis에 대한 저독성약제 선발

  • 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)
  • 최병렬 (농업과학기술원 농업해충과) ;
  • ;
  • Published : 2003.12.30
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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.

최근 경제작물 재배를 위해 시설재배 면적이 증가되고 있으며, 해충방제를 위해 사용된 농약의 부작용 문제로 인하여 농약과 천적의 조화로운 사용을 강조하는 해충의 종합적 방제 기술이 필요하게 되었다. 따라서 시설재배지에서 많은 피해를 주고 있는 점박이응애 및 총채벌레의 천적인 Amblyseius cucumeris와 Amblyseius fallacis에 대해 저독성약제를 선발하기 위해 2가지 생물검정기술 (slide dipping method, potter spray tower method)을 이용하였다. Potter spray tower method로 살포된 약제는 살충작용과 기피효과를 보였으며, 기피효과를 보이는 살충제는 slide dipping method 에 의해 살충율을 효과적으로 평가 할 수 있었다. 1994년에 선발 개발된 permethrin 저항성계통 A. fallacis 상품의 저항성 안정성을 평가한 결과 1999년 현재 같은 피레스로이드계통인 deltamethrin에 대한 저항성 감소는 보이지 않았으며, permethrin 저항성계통에 대해 imidacloprid, fipronil, chlorfenapyr, abamectin, spinosad 등의 약제가 비교차저항성을 보였다.

Keywords

References

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