Abstract
Brown leaf spot disease caused by Cylindrocladium was found on Howea belmoreana on Hachijojima Island, Tokyo, Japan, in December 2001. Typical symptoms were incited after artificial inoculation. A culture of white mycelia, isolated from leaf spot symptoms, produced reddish perithecia of a nectriaceous fungus. Based on morphological and molecular analyses, this fungus was identified as Calonectria ilicicola (anamorph: Cylindrocladium parasiticum). Pathogenicity of this fungus on five plants cultivated on Hachijojima Island was confirmed by artificial inoculation. This report is the first on Cylindrocladium brown leaf spot of H. belmoreana caused by C. ilicicola (anamorph: Cy. parasiticum).
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Acknowledgments
We gratefully acknowledge the valuable suggestions of Dr. Takao Kobayashi, Tokyo University of Agriculture. This study was supported in part by grants provided by a research project of the NIAS Genebank in 2006.
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Hirooka, Y., Takeuchi, J., Horie, H. et al. Cylindrocladium brown leaf spot on Howea belmoreana caused by Calonectria ilicicola (anamorph: Cylindrocladium parasiticum) in Japan. J Gen Plant Pathol 74, 66–70 (2008). https://doi.org/10.1007/s10327-007-0068-y
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DOI: https://doi.org/10.1007/s10327-007-0068-y