The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Fusarium oxysporum Causes Root Rot on Gastrodia elata in Korea: Morphological, Phylogenetic, and Pathogenicity Analyses

  • Sang-A Lee (Forest Microbiology Division, National Institute of Forest Science) ;
  • Eun-Kyung Bae (Forest Microbiology Division, National Institute of Forest Science) ;
  • Chanhoon An (Forest Microbiology Division, National Institute of Forest Science) ;
  • Min-Jeong Kang (Forest Microbiology Division, National Institute of Forest Science) ;
  • Eung-Jun Park (Forest Medicinal Resources Research Center, National Institute of Forest Science)
  • Received : 2021.11.12
  • Accepted : 2022.02.22
  • Published : 2022.03.31
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Abstract

Gastrodia elata infected with root rot disease was collected from cultivated G. elata fields in Gimcheon, Korea, in 2018. G. elata tuber surfaces exhibited root rot disease symptoms of dark-grey lesions and white fungal mycelial growth. The fungus was isolated from symptomatic tubers and cultured. Based on morphological characteristics and molecular analysis of the internal transcribed spacer region of ribosomal DNA and translation elongation factor 1-alpha, the isolated fungus was Fusarium oxysporum. This is the first report of root rot caused by F. oxysporum on G. elata tubers in Korea.

Keywords

Acknowledgement

This work was supported by the National Institute of Forest Science (NiFoS grant FG0603-2021-01).

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