식물병연구 (Research in Plant Disease)

한국식물병리학회 (The Korean Society of Plant Pathology)
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First Report of Soft Rot Caused by Pectobacterium brasiliense on Cucumber in Korea

  • Soo-Min Hong (School of Applied Biosciences, Kyungpook National University) ;
  • Kyoung-Taek Park (School of Applied Biosciences, Kyungpook National University) ;
  • Leonid N. Ten (Institute of Plant Medicine, Kyungpook National University) ;
  • Chang-Gi Back (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • In-Kyu Kang (Department of Horticultural Science, Kyungpook National University) ;
  • Seung-Yeol Lee (School of Applied Biosciences, Kyungpook National University) ;
  • Hee-Young Jung (School of Applied Biosciences, Kyungpook National University)
  • 투고 : 2023.07.18
  • 심사 : 2023.08.07
  • 발행 : 2023.09.30
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초록

Wilted and water-soaked lesion symptoms were observed on cucumbers in greenhouses located in Daejeon, Chungcheongnam-do, Korea, in June 2021. A bacterial strain, designated KNUB-04-21, was isolated from the cucumbers, which was subsequently identified as Pectobacterium brasiliense through a phylogenetic analysis based on sequences of the 16S rRNA region, dnaX, leuS, and recA genes. The biochemical characteristics of KNUB-04-21 were also similar to those of P. brasiliense through investigation using the API ID 32 GN system. The pathogenicity of KNUB-04-21 was confirmed by inoculating it into healthy cucumber plants. The reisolated strains were also found to be same to the original strain. To our knowledge, this is the first report of P. brasiliense being identified as the causative agent of cucumber soft rot in Korea.

키워드

과제정보

This research was supported by a fund (Project Code No. PQ20211B003) by Research of Animal and Plant Quarantine Agency, South Korea.

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