Control of Powdery Mildew by Garlic Oil in Cucumber and Tomato

作者: Sang-Tae Seo , Jung-Sup Lee , Jong-Han Park , Kyoung-Suk Han , Han-Ik Jang

DOI: 10.5423/RPD.2006.12.1.051

关键词: Xanthomonas campestrisFusarium oxysporumHorticultureAcidovoraxGarlic OilBiologyPhytophthora infestansErysiphe cichoracearumPowdery mildewRalstonia solanacearum

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

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