Effect of Antibiotics Insecticides on Survival and Reproduction of the Serpentine Leafminer, Liriomyza trifolii

아메리카잎굴파리에 대한 항생제 살충제의 생존과 생식에 미치는 영향

  • Lee, Jeong-Eun (Department of Plant Medicine, Chungbuk National University) ;
  • Seo, Dong-Kyu (Department of Plant Medicine, Chungbuk National University) ;
  • Kim, Gil-Hah (Department of Plant Medicine, Chungbuk National University)
  • 이정은 (충북대학교 농업생명환경대학 식물의학과) ;
  • 서동규 (충북대학교 농업생명환경대학 식물의학과) ;
  • 김길하 (충북대학교 농업생명환경대학 식물의학과)
  • Published : 2006.12.30

Abstract

Susceptibility of American serpentine leafminer, Liriomyza trifolii, to four insecticides (abamectin, ememectin benzoate, spinosad and milbemectin) was tested in the laboratory. All insecticides showed high mortality on the egg and larval stage, but on pupa and adult. Oviposition was 100% suppressed by abamectin, emamectin benzoate and spinosad, and 85% by milbemectin. The three insecticides except milbemectin inhibited greatly the feeding activity of adults. Adult longevity was reduced (0.8-1.4 days) by the tree insecticides except milbemectin, in comparison with 5.5 days in control. Abamectin, emamectin benzoate and spinosad were effective on oviposition until 7 days after treatment, but milbemetin was not.

본 연구는 시판되고 있는 4종의 항생제계통 살충제(abamectin, emamectin benzoate, spinosad=등록약제, milbemectin=미등록약제)에 대한 아메리카잎굴파리의 발육단계별 약제감수성을 조사하였다. 4약제 모두 알과 유충에 대해서 높은 살충효과를 나타내었으나, 번데기와 성충에 대해서는 낮은 살충효과를 나타내었다. 암컷성충의 산란억제 효과는 abamectin, emamectin benzoate, spinosad에서 100%를 나타내었으며, milbemectin은 85%의 산란억제율을 나타내었다. 섭식흔적수는 milbemectin을 제외하고는 크게 감소되었으며, 성충수명 역시 milbemectin을 제외하고 무처리의 평균 5.5일에 비하여 0.8-1.4일로 크게 단축되었다. 산란효과는 abamectin, emamectin benzoate 그리고 spinosad는 처리 후 7일까지 높았으나, milbemectin은 낮았다.

Keywords

References

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