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Pythium wilt of lettuce caused by Pythium uncinulatum in Japan

  • Fungal Diseases
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Abstract

Pythium wilt of lettuce was found in two fields in Hyogo Prefecture, Japan in January 2007. On the basis of morphological characteristics and the rDNA-ITS sequences, the causal organism was identified as Pythium uncinulatum, unknown in Japan. A pot inoculation test demonstrated that P. uncinulatum was pathogenic to lettuce and garland chrysanthemum (both in Compositae), but no symptoms developed on nine species of vegetable plants from Amaranthaceae, Apiaceae, Brassicaceae, Cucurbitaceae, Liliaceae, or Solanaceae.

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Acknowledgments

We thank Dr. Janice Y. Uchida of the University of Hawaii at Manoa for her critical reading of the manuscript.

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Authors and Affiliations

  1. Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheries, Kasai, Hyogo, Japan

    Katsunari Matsuura & Takeshi Kanto

  2. Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, 599-8531, Japan

    Motoaki Tojo

  3. Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

    Shihomi Uzuhashi & Makoto Kakishima

Authors
  1. Katsunari Matsuura
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  2. Takeshi Kanto
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  3. Motoaki Tojo
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  4. Shihomi Uzuhashi
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  5. Makoto Kakishima
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Corresponding author

Correspondence to Motoaki Tojo.

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Matsuura, K., Kanto, T., Tojo, M. et al. Pythium wilt of lettuce caused by Pythium uncinulatum in Japan. J Gen Plant Pathol 76, 320–323 (2010). https://doi.org/10.1007/s10327-010-0260-3

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  • DOI: https://doi.org/10.1007/s10327-010-0260-3

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