Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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First Report of Soft Rot Induced by Dickeya dadantii on Euphorbia hypogaea in Korea

  • Ismaila Yakubu (Department of Plant Medicine, College of Agriculture, Life and Environment Science, Chungbuk National University) ;
  • Ji Ho Song (Department of Plant Medicine, College of Agriculture, Life and Environment Science, Chungbuk National University) ;
  • Yun Ju Lee (Department of Plant Medicine, College of Agriculture, Life and Environment Science, Chungbuk National University) ;
  • Min A Son (Department of Plant Medicine, College of Agriculture, Life and Environment Science, Chungbuk National University) ;
  • Su Hyeon Han (Department of Plant Medicine, College of Agriculture, Life and Environment Science, Chungbuk National University) ;
  • Hyun Gi Kong (Department of Plant Medicine, College of Agriculture, Life and Environment Science, Chungbuk National University)
  • Received : 2023.12.11
  • Accepted : 2024.01.11
  • Published : 2024.03.31
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Abstract

In a survey conducted in March 2023, Euphorbia hypogaea plants cultivated within greenhouses in Yongin, Korea exhibited water-soaked areas near the stem base, close to the soil. Subsequent isolation from diseased E. hypogaea led to the identification of a bacterial strain, designated as CBNUMPBL-103. The isolate was identified as Dickeya dadantii through sequencing of the 16s rRNA and phylogenetic analysis. The pathogenicity of the isolate was confirmed by inoculating it into healthy E. hypogaea, resulting in the manifestation of similar symptoms observed during the survey. The re-isolated strain recovered from inoculated plants showed a similar morphology with the inoculated strain. This is the first documentation of D. dadantii causing soft rot of E. hypogaea in Korea.

Keywords

Acknowledgement

The authors acknowledge the support of Kim, M. K and Kim, H. T during disease assessment and sample collection.

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