Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Control of Powdery Mildew by Garlic Oil in Cucumber and Tomato

마늘오일을 이용한 오이와 토마토 흰가루병 방제

  • Seo Sang-Tae (Dept. of Horticultural Environment, National Horticultural Research Institute, Rural Development Administration) ;
  • Lee Jung-Sup (Dept. of Horticultural Environment, National Horticultural Research Institute, Rural Development Administration) ;
  • Park Jong-Han (Dept. of Horticultural Environment, National Horticultural Research Institute, Rural Development Administration) ;
  • Han Kyoung-Suk (Dept. of Horticultural Environment, National Horticultural Research Institute, Rural Development Administration) ;
  • Jang Han-Ik (Dept. of Horticultural Environment, National Horticultural Research Institute, Rural Development Administration)
  • Published : 2006.04.01
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Abstract

The effectiveness of four plant oils (garlic, ginger, cinnamon and lemongrass) against a range of plant pathogenic organisms was tested in vitro. Of the four oils, two oils (garlic and cinnamon) showed relatively good antimicrobial activities. Activity of garlic oil was shown against the plant pathogenic bacteria Agrobacterium tumefaciens, Ewinia carotovora, Ralstonia solanacearum, Xanthomonas campestris, and the fungi Phytophthora infestans, Fusarium oxysporum, Collectotricum sp., whereas Acidovorax avenae and Pythium sp. showed the resistance towards garlic oil. Results from the planta bioassays under greenhouse conditions indicated that garlic oil significantly reduced the cucumber powdery mildew (Sphaerotheca fusca) and tomato powdery mildew (Erysiphe cichoracearum) showing control value 70.0-74.6% and 71.2%, respectively.

4종류의 식물 추출 오일(마늘, 생강, 계피, 레몬그라스)에 대한 실내 항균효과를 5종의 식물병원세균과 4종의 식물병원진균에 대해 조사하였다. 4종의 오일중 마늘오일과 계피오일의 항균효과가 우수하였다. 특히, 마늘오일은 식물병원세균인 Agrobacterium tumefaciens, Erwinia carotovora, Ralstonia solanacearum, Xanthomonas campestris와 식물병원진균인 Phytophthora infestans, Fusarium oxysporum, Collectotricum sp.에 대해 강한 항균력을 나타내었다. 그러나, Acidovorax avenae와 Pythium sp.에 대해서는 항균효과가 없었다. 마늘오일의 오이 흰가루병(Sphaerotheca fusca)과 토마토 흰가루병(Erysiphe cichoracearum)에 대한 포장 방제효과 실험결과 각각 70.0-74.6%와 71.2%의 방제가를 나타내었다.

Keywords

References

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