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Phytophthora blight of southern star (Oxypetalum caeruleum) caused by Phytophthora palmivora in Japan

  • Fungal Diseases
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Abstract

In 2004, a damping-off symptom was found on southern star, Oxypetalum caeruleum, in Kochi Prefecture, Japan. Two Phytophthora strains with different colony patterns on potato dextrose agar were isolated, and their pathogenicity was confirmed by inoculation of southern star plants and their reisolation from symptomatic plants. Both fungi were identified as Phytophthora palmivora based on morphology, physiology, and sequence analysis of the internal transcribed spacers of nuclear ribosomal DNA. This is the first report of Phytophthora blight of southern star in the world.

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Author notes

  1. Rie Gappa-Adachi

    Present address: Kochi Prefecture Crop Pest Control Center, Hataeda, Nankoku, Kochi, 783-0023, Japan

Authors and Affiliations

  1. Kochi Agricultural Research Center, Hataeda, Nankoku, Kochi, 783-0023, Japan

    Rie Gappa-Adachi, Kazutaka Yano, Shigeharu Takeuchi & Yasuaki Morita

  2. Kochi Prefecture Environmental Agriculture Promotion Division, Marunouchi, Kochi, 780-0850, Japan

    Shigeharu Takeuchi

  3. Chiba Prefectural Agriculture and Forestry Research Center, Daizenno, Midori-ward, Chiba, 266-0006, Japan

    Seiji Uematsu

Authors
  1. Rie Gappa-Adachi
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  2. Kazutaka Yano
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  3. Shigeharu Takeuchi
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  4. Yasuaki Morita
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  5. Seiji Uematsu
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Corresponding author

Correspondence to Rie Gappa-Adachi.

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Gappa-Adachi, R., Yano, K., Takeuchi, S. et al. Phytophthora blight of southern star (Oxypetalum caeruleum) caused by Phytophthora palmivora in Japan. J Gen Plant Pathol 78, 39–42 (2012). https://doi.org/10.1007/s10327-011-0351-9

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  • DOI: https://doi.org/10.1007/s10327-011-0351-9

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