점박이응애(Tetranichus urticae), 목화진딧물(Aphis gossypii)과 복숭아혹진딧물(Myzus persicae)에 대한 은행잎 추출물의 살충 및 기피효과

Repellent and Pesticidal Effect of Ginkgo biloba Leaves Extracts on the Tetranichus urticae, Aphis gossypii and Myzus persicae

  • Lee, In-Hwa (Department of Environmental Engineering, College of EngineeringScience, Chosun University) ;
  • Seol, Myung-Su (Department of Environmental Engineering, College of EngineeringScience, Chosun University) ;
  • Park, Jong-Dae (Jeollanam-do Agricultural Research and Extension Services)
  • 발행 : 2005.06.30

초록

천연식물자원으로부터 생물농약을 개발하기 위하여 점박이응애(Tetranichus urticae), 목화진딧물(Aphis gossypii)과 복숭아혹진딧물(Myzus persicae)에 대해 푸른은행잎 추출물(GG-W80)과 노란은행잎 추출물(YG-W80)의 살충효과와 기피효과를 leaf disk법과 유묘검정법에 의해 조사하였다. 점박이응애에 대한 살충효과는 GG-W80이 98.3%로 YG-W80의 20.0%보다 우수하였다. 점박이응애에 강한 살충효과를 보이는 생리활성물질은 high performance liquid chromatography(HPLC)를 이용해 동정하였다. 푸른은행잎 추출물에서는 각각 bilobalide $611\;{\mu}g/kg$, ginkgolide A $37\;{\mu}g/kg$와 ginkgolide B $243\;{\mu}g/kg$이 동정되었으며, 노란은행잎 추출물에서는 bilobalide $214\;{\mu}g/kg$와 ginkgolide B $46\;{\mu}g/kg$이 동정되었으나 ginkgolide A는 확인되지 않았다. 이상의 결과는 은행잎에 존재하는 terpene계 화합물인 bilobalide와 ginkgolide A, B가 점박이응애에 살충력을 갖고 있음을 알수 있으며, 이들 성분을 포함한 은행잎 추출물이 점박이응애에 대한 생물학적 방제 가능성을 가지고 있음을 시사하였다.

To overcome the problems associated with chemical pesticides, biological pest controls agent extracted from Ginkgo biloba was studied. Insecticidal activities components in Ginkgo biloba extracts were analyzed using high performance liquid chromatography (HPLC). This results of HPLC analysis, GG-W80 were included bilobalide $611\;{\mu}g/kg$, ginkgolide A $37\;{\mu}g/kg$ and ginkgolide B $243\;{\mu}g/kg$, while YG-W80 were included bilobalide $214\;{\mu}g/kg$ and ginkgolide B $46\;{\mu}g/kg$. The biological activity of Ginkgo biloba extracts were conducted to repellent and pesticidial effect of Tetranichus urticae, Aphis gossypii and Myzus persicae treated with Ginkgo biloba leaves extracts. Mortalities of adult T. urticae to green Ginkgo biloba extracts (GG-W80) and yellow Ginkgo biloba extracts (YG-W80) were shown 98.3% and 20.0%, respectively. From these results, terpenes components in Ginkgo biloba extracts could be use for biological controls for T. urticae.

키워드

참고문헌

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