Fumigant Toxicity of 18 Essential oils and Their Major Compounds against Adult Oak Longicorn Beetle, Moechotypa diphysis (Coleoptera: Cerambycidae)

털두꺼비하늘소(Moechotypa diphysis)로에 대한 18종 식물정유와 주요성분의 훈증효과

  • Kim, Ju-Sub (Department of Plant Medicine, Chungbuk National University) ;
  • Seo, Dong-Kyu (Department of Plant Medicine, Chungbuk National University) ;
  • Jang, Sun-Ah (Department of Plant Medicine, Chungbuk National University) ;
  • Han, Ju-Hwan (Chungbuk Institute of Forest Environment Research) ;
  • Kim, Young-Jae (Chungnam Institute of Forest Environment Research) ;
  • Kim, Gil-Hah (Department of Plant Medicine, Chungbuk National University)
  • 김주섭 (충북대학교 농업생명환경대학 식물의학과) ;
  • 서동규 (충북대학교 농업생명환경대학 식물의학과) ;
  • 장선아 (충북대학교 농업생명환경대학 식물의학과) ;
  • 한주환 (충북산림환경연구소) ;
  • 김영재 (충남산림환경연구소) ;
  • 김길하 (충북대학교 농업생명환경대학 식물의학과)
  • Published : 2006.08.01

Abstract

Fumigant toxicity of 18 plant essential oils were tested against the adults of oak longicorn beetle, Moechotypa diphysis. Among them, eucalyptus, rosemary and pennyroyal oils showed 100% mortality and sage oil showed 85% mortality at 10 $\mu\ell/\ell$ (air) dose. Eucalyptus and rosemary oils showed 100% mortality within 6 hr after treatment at 10 $\mu\ell/\ell$ (air) dose. GC and GC/MS analysis of the four essential oils and bioassay of their components revealed that 1,8-cineole (a major component of eucalyptus, rosemary and sage oils), thujone (a major component of sage oil) and pulegone (a major component of pennyroyal oil) showed higher adulticidal activity than others.

털두꺼비하늘소(Moechotypa diphysis) 성충에 대한 18종 식물정유의 훈증독성을 조사하였다. 그들 중 10 $\mu\ell/\ell$ (공기)의 농도에서 eucalyptus oil, rosemary oil, 그리고 pennyroyal oil은 100%, sage oil은 85%의 살충활성을 나타내었다. 4종 정유의 치사속도를 조사한 결과, eucalyptus oil과 rosemary oil이 처리 후 6시간 이내에 100%의 살충률을 나타내었다. 각 정유에 대한 주요 구성성분을 GC와 GC/MS로 분석한 결과, eucalyptus oil, rosemary oil, sage oil의 주성분인 1,8-cineole과 sage oil의 또 다른 주성분인 thujone과 pennyroyal의 주성분인 pulegone 모두 20 $\mu\ell/\ell$(공기)의 농도에서 100%의 살충효과를 나타내었다.

Keywords

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