Disease Control Efficacy of the Extract of Magnolia officinalis against Perilla and Zoysiagrass Rusts

후박 추출물의 들깨 녹병과 잔디 녹병에 대한 방제 효과

  • Yoon, Mi-Young (Ecofriendly New Materials Research Group, Korea Research Institute of Chemical Technology) ;
  • Choi, Yong Ho (Ecofriendly New Materials Research Group, Korea Research Institute of Chemical Technology) ;
  • Kang, Mun Seong (Yoosung Chemical R&T Co., Ltd.) ;
  • Lee, Jae Hong (Technical Research Institute, Dongbang Agro Co.) ;
  • Han, Seong Sook (Department of Crop Environment, National Academy of Agricultural Science) ;
  • Myoung, In Sik (Department of Crop Protection, National Academy of Agricultural Science) ;
  • Han, Byoung Soo (Technical Research Institute, Dongbang Agro Co.) ;
  • Choi, Gyung Ja (Ecofriendly New Materials Research Group, Korea Research Institute of Chemical Technology) ;
  • Jang, Kyoung Soo (Ecofriendly New Materials Research Group, Korea Research Institute of Chemical Technology) ;
  • Kim, Jin-Cheol (Ecofriendly New Materials Research Group, Korea Research Institute of Chemical Technology)
  • 윤미영 (한국화학연구원 친환경신물질연구그룹) ;
  • 최용호 (한국화학연구원 친환경신물질연구그룹) ;
  • 강문성 (유성화연텍 연구소) ;
  • 이재홍 (동방아그로 기술연구소) ;
  • 한성숙 (국립식량과학원 작물환경과) ;
  • 명인식 (국립농업과학원 작물보호과) ;
  • 한병수 (동방아그로 기술연구소) ;
  • 최경자 (한국화학연구원 친환경신물질연구그룹) ;
  • 장경수 (한국화학연구원 친환경신물질연구그룹) ;
  • 김진철 (한국화학연구원 친환경신물질연구그룹)
  • Received : 2013.03.15
  • Accepted : 2013.03.20
  • Published : 2013.03.31


Rusts are plant diseases caused by pathogenic fungi of the order Pucciniales. Rusts can affect a variety of plants. Development of new effective and environmentally benign agents against rusts is of great interest. In this study, we investigated the disease control efficacy of the emulsion concentrate (EC10) and wettable powder (WP20) type formulations of the extract of Magnolia officinalis (Magjia90; containing honokiol and magnolol at 90%) against rust diseases of perilla and zoysiagrass in fields. The treatment of EC10 and WP20 of Magjia90 showed control values of 47.9% to 69.6% and Magjia90-WP20 reduced more effectively the development of rust symptoms on perilla plants than Magjia90-EC10. Magjia90-WP20 also highly suppressed zoysiagrass rust with control values of 65.7% to 80.5%. On the other hand, no harmful effect of Magjia90-EC10 and Magjia90-WP20 was observed on the perilla and zoysiagrass plants tested. The results strongly indicate that the extract of M. officinalis (Magjia90) can be used as a natural fungicide for the control of rust diseases.

녹병은 Puccinales 목의 병원성 곰팡이가 일으키는 식물병으로서 다양한 식물에 발병한다. 최근 많은 연구자들은 녹병을 효과적이고 친환경적으로 방제하기 위하여 연구를 활발히 진행하고 있다. 본 연구에서는 당후박(Magjia90) 추출물로부터 제조된 유제(EC10)와 수화제(WP20)의 들깨 녹병과 잔디 녹병에 대한 방제효과를 포장에서 조사하였다. Magjia90-EC10과 Magjia90-WP20은 들깨 녹병에 대하여 47.9% 내지 69.6%의 방제효과를 보였고, 수화제는 유제보다 우수한 효과를 보였다. 또한 Magjia90-WP20은 전디 녹병에 대하여 65.7% 내지 80.5%의 높은 방제효과를 보였다. 다른 한편으로, 두 제제를 처리한 식물체 잎에서 어떠한 약해도 발견되지 않았다. 이상의 결과는 Magjia90이 녹병 방제를 위한 천연물 살균제로서 사용이 가능하다는 것을 강력하게 나타낸다.



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