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Cutting rot of chrysanthemum (Chrysanthemum morifolium) caused by Plectosporium tabacinum

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Abstract

Cutting rot of chrysanthemum was found on cuttings of cv. Jimba No.2 in 2008. The cuttings were imported, then transplanted in Aichi Prefecture. Root development was not initiated in about 30% of the cuttings. The cut stem ends developed black discolouration and decay. When healthy cuttings were the fungus isolated from diseased cuttings, these cuttings developed the same disease symptoms. The characteristics and morphology of the fungal culture were identical to those of Plectosporium tabacinum. We propose that the new disease be named cutting rot of chrysanthemum.

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Acknowledgments

We thank Dr. T. Sato from the National Institute of Agrobiological Sciences for advice on identification of the species. We are also grateful to members of the Aichi Agricultural Research Center for their cooperation and support in performing the experimental procedures.

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Authors and Affiliations

  1. National Institute of Floricultural Science, 2-1 Fujimoto, Tsukuba, 305-8519, Japan

    Mamoru Satou, Yoshiaki Chikuo, Yosuke Matsushita & Katsuhiko Sumitomo

Authors
  1. Mamoru Satou
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  2. Yoshiaki Chikuo
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  3. Yosuke Matsushita
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  4. Katsuhiko Sumitomo
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Correspondence to Mamoru Satou.

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Satou, M., Chikuo, Y., Matsushita, Y. et al. Cutting rot of chrysanthemum (Chrysanthemum morifolium) caused by Plectosporium tabacinum . J Gen Plant Pathol 76, 225–228 (2010). https://doi.org/10.1007/s10327-010-0232-7

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  • DOI: https://doi.org/10.1007/s10327-010-0232-7

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