Mycopappus quercus sp. nov., causing frosty mildew inQuercus acutissima |
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Authors: | Yasuo Suto Mikiko Kawai |
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Institution: | (1) Shimane Prefecture Forest Research Center, Shinji-cho, Yatsuka-gun, 699-0401 Shimane, Japan;(2) Present address: 5-11-46, Agenogi, 690-0015 Matsue-shi, Shimane, Japan |
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Abstract: | The causal fungus of frosty mildew inQuercus acutissima was taxonomically studied. Brown spots with conical white to yellowish tufts of the causal, fungus developed on the leaves,
followed by successive defoliation. The fungus was regarded as a new species ofMycopappus, M. quercus, from the morphology of the multicellular propagules. The ascogenous stage and true conidia of the fungus were not observed,
although sclerotia were formed on the fallen diseased leaves. |
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Keywords: | frosty mildew Mycopappus quercus Quercus acutissima |
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