Three new <Emphasis Type="Italic">Ophiostoma</Emphasis> species isolated from Japanese red pine |
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| Authors: | Hayato Masuya Shigeru Kaneko Yuichi Yamaoka |
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| Institution: | (1) Tohoku Research Center, Forestry and Forest Products Research Institute, 92-25 Nabeyashiki, Shimo-Kuriyagawa, Morioka, Iwate, 020-0123, Japan;(2) Kansai Research Center, Forestry and Forest Products Research Institute, Kyoto, Japan;(3) Laboratory of Plant Pathology and Mycology, Institute of Agriculture and Forestry, University of Tsukuba, Ibaraki, Japan |
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| Abstract: | Three new species of Ophiostoma found on Japanese red pine are described as Ophiostoma pusillum sp. nov., O. botuliforme sp. nov., and O. nigrogranum sp. nov. Ophiostoma pusillum is characterized by oblong ascospores and a Hyalorhinocladiella anamorph. Ophiostoma botuliforme has ostioles covered with a hyaline gelatinous cap, allantoid ascospores, and a Pesotum anamorph with hyaline to pale brown stipes. Ophiostoma nigrogranum has hyaline ostiolar hyphae with rounded tips, allantoid ascospores, and sclerotium-like structures.Contribution no. 172, Laboratory of Plant Pathology and Mycology, Institute of Agriculture and Forestry, University of Tsukuba |
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| Keywords: | Ophiostoma botuliforme Ophiostoma nigrogranum Ophiostoma pusillum Pinus densiflora |
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