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First report of potato blackleg caused by Dickeya chrysanthemi in Japan

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Abstract

In 2017, potato plants (cvs. Kitakamui and Konahubuki) with symptoms similar to those of potato blackleg and soft rot diseases were found in seed potato fields of Shiribeshi Subprefecture in Hokkaido, Japan. The causative bacteria were isolated from symptomatic potato stems and identified as Dickeya chrysanthemi based on physiological, biochemical, phenotypic, and genetic characterizations. To the best of our knowledge, this is the first report of potato blackleg disease caused by D. chrysanthemi in Japan. We propose D. chrysanthemi as one of the pathogens of potato blackleg disease.

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Authors and Affiliations

  1. Hokkaido Agricultural Research Center, National Agriculture and Food Research Organization (HARC/NARO), Hitsujigaoka, Toyohira-ku, Sapporo, Hokkaido, 062-8555, Japan

    Taketo Fujimoto, Takato Nakayama, Takehiro Ohki & Tetsuo Maoka

  2. Kitami Agricultural Experiment Station, Hokkaido Research Organization, Kun-neppu, Hokkaido, 099-1406, Japan

    Shinji Yasuoka

  3. Hokkaido-Chuo Station, Center for Seeds and Seedlings, National Agriculture and Food Research Organization (NCSS), Nishinosato, Kitahiroshima, Hokkaido, 061-1102, Japan

    Yoshiyuki Aono

Authors
  1. Taketo Fujimoto
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  2. Shinji Yasuoka
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  3. Yoshiyuki Aono
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  4. Takato Nakayama
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  5. Takehiro Ohki
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  6. Tetsuo Maoka
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Correspondence to Taketo Fujimoto.

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Fujimoto, T., Yasuoka, S., Aono, Y. et al. First report of potato blackleg caused by Dickeya chrysanthemi in Japan. J Gen Plant Pathol 86, 423–427 (2020). https://doi.org/10.1007/s10327-020-00934-2

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  • DOI: https://doi.org/10.1007/s10327-020-00934-2

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