Abstract
In 2007, a rust disease of ohia (Metrosideros polymorpha) was found in Japan. We identified this pathogen as Puccinia psidii based on its morphological characters and the internal transcribed spacer (ITS) sequence of the ribosomal DNA. This pathogen was pathogenic on Eucalyptus amplifolia and E. rudis in addition to previously reported host species. This is the first report in Japan of a rust disease on ohia and the occurrence of its causal fungus, P. psidii.
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Acknowledgments
This study was supported in part by a grant-in-aid of the research project for utilizing advanced technologies in agriculture, forestry and fisheries (No. 18037) administered by the Ministry of Agriculture, Forestry and Fisheries in Japan. We are deeply grateful to T. Ozaki, Exotic Plants Inc., for providing plants for inoculations.
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Kawanishi, T., Uematsu, S., Kakishima, M. et al. First report of rust disease on ohia and the causal fungus, Puccinia psidii, in Japan. J Gen Plant Pathol 75, 428–431 (2009). https://doi.org/10.1007/s10327-009-0202-0
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DOI: https://doi.org/10.1007/s10327-009-0202-0