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Occurrence of Pythium Ultimum Var. Ultimum in a Greenhouse on Spitsbergen Island, Svalbard

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Abstract

Pythium ultimum var. ultimum was isolated from carrot seedlings with damping off and from soil used for growing the plant in a greenhouse on Spitsbergen Island, Svalbard. The fungus caused severe damping off of carrot, cucumber and tomato seedlings after artificial inoculation. The rDNA internal transcribed spacer sequences of the Svalbard isolate were identical to those of Canadian and Japanese isolates of P. ultimum var. ultimum. The results suggest that the pathogen in the greenhouse on Svalbard was probably introduced from temperate regions through contaminated plants and/or soil imported to the island. This is the first record of P. ultimum var. ultimum within the Arctic zone.

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Authors and Affiliations

  1. Graduate School of Agriculture and Biological Sciences, Osaka Prefecture University, Sakai, Osaka, 599-8531, Japan

    Motoaki Tojo

  2. National Institute of Advanced Industrial Science and Technology, Toyohira-ku, Sapporo, 062-8517, Japan

    Tamotsu Hoshino

  3. Department of Plant Pathology, The Norwegian Crop Research Institute, char 197s, Norway

    María Luz Herrero, Sonja Sletner Klemsdal & Anne Marte Tronsmo

Authors
  1. Motoaki Tojo
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  2. Tamotsu Hoshino
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  3. María Luz Herrero
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  4. Sonja Sletner Klemsdal
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  5. Anne Marte Tronsmo
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Tojo, M., Hoshino, T., Luz Herrero, M. et al. Occurrence of Pythium Ultimum Var. Ultimum in a Greenhouse on Spitsbergen Island, Svalbard. European Journal of Plant Pathology 107, 761–765 (2001). https://doi.org/10.1023/A:1011940416952

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  • DOI: https://doi.org/10.1023/A:1011940416952

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