한국응용곤충학회지 (Korean journal of applied entomology)

  • 제58권4호
  • /
  • Pages.341-345
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  • 2019
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  • 1225-0171(pISSN)
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  • 2287-545X(eISSN)
한국응용곤충학회 (Korean Society of Applied Entomology)
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훈증제 에틸포메이트를 이용한 몇 가지 시설하우스 해충에 대한 새로운 방제 전략

A New Disinfestation Approach Against Some Greenhouse Pests Using Ethyl Formate Fumigation

  • 권태형 (경상대학교 생명과학연구원/ 응용생명과학부(BK21+ Program)) ;
  • 정인홍 (농촌진흥청 국립농업과학원 농산물안전성부 작물보호과) ;
  • 이병호 (경상대학교 생명과학연구원/ 응용생명과학부(BK21+ Program)) ;
  • 박정규 (경상대학교 생명과학연구원/ 응용생명과학부(BK21+ Program))
  • Kwon, Tae-Hyung (Institute of Life Science/ Division of Applied Life Science (BK21+ Program), Gyeongsang National University) ;
  • Jeong, In-Hong (Division of Crop Protection, National Institute of Agricultural Sciences, RDA) ;
  • Lee, Byung-Ho (Institute of Life Science/ Division of Applied Life Science (BK21+ Program), Gyeongsang National University) ;
  • Park, Chung Gyoo (Institute of Life Science/ Division of Applied Life Science (BK21+ Program), Gyeongsang National University)
  • 투고 : 2019.10.20
  • 심사 : 2019.11.22
  • 발행 : 2019.12.01
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초록

에틸포메이트는 살충 효과가 빠르고 환경에 무해하며 특히 인축독성이 낮아 검역용 훈증제로 등록되어 있다. 이러한 에틸포메이트를 이용하여 훈증 챔버 (0.275 ㎥) 내에서 4종의 농업 해충 (오이총채벌레, 담배가루이, 복숭아혹진딧물, 점박이응애)과 4종의 작물 (참외, 오이, 토마토, 고추) 유묘기를 대상으로 12시간 훈증 처리하여 약효와 약해를 평가하였다. 에틸포메이트 1.5 g/㎥의 약량으로 12시간 훈증 했을 때 담배가루이와 복숭아혹진딧물은 93.3% 이상의 높은 살충력를 나타내었으나, 점박이응애는 2.0 g/㎥ 약량에서도 20% 미만의 낮은 살충력을 나타내었다. 그리고 에틸포메이트의 CT값(농도×시간)이 훈증 처리 온도 20 ± 1.5℃에서 8.9 g·h/㎥ 이상일 때 점박이응애를 제외한 나머지 3종의 해충에 대해서 90% 이상의 살충 효과를 얻을 수 있었다. 에틸포메이트 1.5 g/㎥의 약량으로 상기 4작물을 12시간 훈증했을 때 약해 증상은 나타나지 않았다. 따라서 에틸포메이트 훈증기술은 시설 내 해충방제를 위한 새로운 방식이 될 수 있으며 관행적인 살충제의 사용을 줄일 수 있을 것으로 생각된다. 그러나 해충의 충태별, 작물의 생육 시기별 에틸포메이트 약효 및 약해에 대한 많은 연구가 이루어져야 할 것으로 생각된다.

Ethyl formate (EF) is a rapid kill, environmentally safe, and low mammalian toxicity fumigant, registered to disinfest quarantine insect pests from imported agricultural products. A new concept for controlling insect pests of agricultural crops was tested in a fumigation chamber with EF. Control efficacy of and phyto-toxicity due to EF fumigation were evaluated against four pests (Thrips palmi, Bemisia tabaci, Myzus persicae, and Tetranychus urticae) and on seedlings of four fruit vegetables (FVs; yellow melon, cucumber, tomato, and pepper). Ethyl formate fumigation at a dose of 1.5 g m-3 for 12 h produced >93.3% mortality in T. palmi, B. tabaci, and M. persicae. However, T. urticae was tolerant to fumigation, showing only 20% mortality at 2.0 g m-3. In terms of concentration × time (CT) products, at least 8.9 g·h m-3 CT at 20 ± 1.5℃ was needed to achieve > 90% mortality against the three susceptible insect pests. Fumigation at 1.5 g m-3 for 12 h caused no phyto-toxicity to any of the four FV seedlings. Ethyl formate application, as a new disinfestation method in greenhouses, could be an alternative to reduce the use of conventional insecticides. However, further studies are needed to determine the efficacy of this method at different pest developmental stages and in different greenhouse environments. Additionally, research is needed to elucidate the phyto-toxicity of EF application at different growing stages of a wide variety of crops.

키워드

참고문헌

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