Occurrences of Gray Mold on Melampodium and Smoke Tree Caused by <I>Botrytis cinerea</I>
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概要
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Water-soaked lesions on petal and leaf spots were observed on melampodium (<I>Melampodium paldosum</I>), and inflorescence rot appeared on the smoke tree (<I>Cotinus coggygria</I>) in Yamagata prefecture, Japan. The pathogenicity of each isolate obtained from diseased plants to host plants was demonstrated by artificial inoculation. These isolates were identified as <I>Botrytis cinerea</I> on the basis of morphological and cultural characteristics and the sequence of the internal transcribed spacer regions of ribosomal DNA (rDNA-ITS) homology. Because no disease of these plants caused by <I>B. cinerea</I> has ever been reported in Japan, we propose to name the disease gray mold ("haiiro-kabi-byo" in Japanese) of melampodium and smoke tree.
- 北日本病害虫研究会の論文
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