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KMID : 1160220140420010079
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Mycobiology
2014 Volume.42 No. 1 p.79 ~ p.81
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Outbreak of Rust Caused by Coleosporium asterum on Solidago virgaurea var. gigantea in Ulleung-do
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Back Chang-Gi
Nam Gu-Youn
Lee Seung-Yeol
Jung Hee-Young
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Abstract
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From June to October 2012, severe outbreaks of rust disease on Solidago virgaurea var. gigantea were observed in 5different regions of Ulleung-do, Korea. Typical rust symptoms appeared as yellow spots, uredinia on leaves, and massiveurediniospores covering the entire plant. Severely infected plants became discolored and died. On the basis of its morphologicaland molecular characteristics, the causal agent was identified as Coleosporium asterum. This pathogen has been reported as rustdisease on S. virgaurea in the Canada and United States. In Korea, rust disease on S. virgaurea var. gigantea was reported asUromyces rudbeckia in 1992. To the best of our knowledge, C. asterum is a novel rust pathogen on S. virgaurea var. gigantea inKorea.
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KEYWORD
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Coleosporium asterum, Korean goldenrod, Phylogenetic analysis, Rust disease, 28S rDNA
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