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Two new species of powdery mildew fungi from Japan

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Mycoscience

Abstract

The following two new species of powdery mildew fungi were found onStephania cephalantha (Menispermaceae) andViburnum opulus var.calvescens (Caprifoliaceae) in Japan:

  1. 1.

    Erysiphe stephaniae onS. cephalantha has smaller cleistothecia and more asci present in the cleistothecium, which include remarkably larger ascospores, thanErysiphe pisi, which has been previously described on the same host plant from Taiwan.

  2. 2.

    Microsphaera shinanoensis onV. opulus var.calvescens is easily distinguishable fromMicrosphaera alni, hitherto known on this plant, and otherMicrosphaera fungi onViburnum plants by the shape of its appendages and the numbers of its asci and ascospores.

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Authors and Affiliations

  1. Faculty of Agriculture, Tokyo University of Agriculture, Sakuragaoka 1-1-1, Setagaya-ku, 156, Tokyo, Japan

    Seinosuke Tanda

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  1. Seinosuke Tanda
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Tanda, S. Two new species of powdery mildew fungi from Japan. Mycoscience 35, 49–52 (1994). https://doi.org/10.1007/BF02268527

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