Alternaria porriによるリ-キおよびニンニクの黒斑病(新称)
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概要
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Undescribed diseases of leek (<I>Allium porrum</I> L.) and garlic (<I>Allium sativum</I> L.) have occurred in Miyagi Prefecture from 1993 and 1995, respectively. In both crops, leaves and sheaths were mainly affected, and the symptoms were elliptical brown to purple lesions, becoming zonate with the developing of the causal fungi on lesions. Pathogenicity to each host plant was demonstrated by the inoculation of isolates from both diseased plants, and the isolates were identified as <I>Alternaria porri</I> (Ellis) Ciferri on the basis of morphological and cultural characteristics. This is the first report on purple blotch of leek and garlic in Japan.
- 北日本病害虫研究会の論文
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