Anthracnose of smoke tree and petal anthracnose of stock caused by Colletotrichum acutatum

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  • SUGAWARA K.
    Agricultural Technique Improvement Research Office, Shonai Area General Branch Administration, Yamagata Prefectural Government Sakata Agricultural Promotion division, Shonai Area General Branch Administration, Yamagata Prefectural Government
  • MATSUDATE A.
    Faculty of Agriculture, Yamagata University
  • ITO Y.
    National Agriculture and Food Research Organization, Headquarters
  • NAMAI T.
    Faculty of Agriculture, Yamagata University

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Other Title
  • Ｃｏｌｌｅｔｏｔｒｉｃｈｕｍ　ａｃｕｔａｔｕｍ　によるハグマノキ炭疽病（病原追加）　およびストック花枯炭疽病（新称）
  • 病害短信 Colletorichum acutatumによるハグマノキ炭疽病(病原追加)およびストック花枯炭疽病(新称)
  • ビョウガイ タンシン Colletorichum acutatum ニ ヨル ハグマノキタンソビョウ ビョウゲン ツイカ オヨビ ストック カコタンソビョウ シンショウ

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Abstract

Peduncle blight and leaf spot on smoke tree (Cotinus coggygria) and water-soaked lesions on stock (Matthiola incana) petal were observed in Yamagata Prefecture from 2005 to 2007. The causal fungus of these diseases was identified as Colletotrichum acutatum on the basis of morphological characteristics and rDNA-ITS sequence homology. This report adds C. acutatum as new pathogen of smoke tree anthracnose. Petal anthracnose was coined for the disease on stock because the symptoms were different from the anthracnoses reported previously.<br>

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