Antagonistic Effect of Lactobacillus sp. Strain KLF01 Against Plant Pathogenic Bacteria Ralstonia solanacearum

세균성 시들음병에 대한 식물성 유산균(Lactobacillus sp.)의 저해효과

  • Shrestha, Anupama (Division of Applied Biology, College of Agriculture and Life Science, Kangwon National University) ;
  • Choi, Kyu-Up (Division of Applied Biology, College of Agriculture and Life Science, Kangwon National University) ;
  • Lim, Chun-Keun (Division of Applied Biology, College of Agriculture and Life Science, Kangwon National University) ;
  • Hur, Jang-Hyun (Division of Biological Environment, College of Agricultural and Life Sciences, Kangwon National University) ;
  • Cho, Sae-Youll (Division of Applied Biology, College of Agriculture and Life Science, Kangwon National University)
  • 아누파마슈레스타 (강원대학교 생물자원공학부 응용생물) ;
  • 최규업 (강원대학교 생물자원공학부 응용생물) ;
  • 임춘근 (강원대학교 생물자원공학부 응용생물) ;
  • 허장현 (강원대학교 자원생물환경학과) ;
  • 조세열 (강원대학교 생물자원공학부 응용생물)
  • Published : 2009.03.31


An antagonistic bacterial strain KLF01 was isolated from rhizosphere of tomato and identified to be Lactobacillus sp. by biochemical and genetic analysis. This strain showed antagonism against the used plant pathogenic bacteria like Ralstonia solanacearum, (bacterial wilt), Xanthomonas axonopodis pv. citri, (Citrus canker), Xanthomonas campestris pv. vesicatoria (Bacterial spot), Eriwinia pyrifoliae (Shoot-blight) and Eriwinia carotovora subsp. carotovora group (Potato scab) through agar well diffusion method. In planta test done by drench application of strain KLF01 $(4{\times}10^8 cfu/ml)$ into the experimental plot containing tomato (Solanum lycopersicum L.) cultivar 'Lokkusanmaru' and red pepper (Capsicum annuum L.) cultivar 'Buja' plants, in pot test post-inoculated with the plant pathogenic bacteria, R. solanacearum significantly reduced the disease severity, compared to the non-treated plants.


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