Mycobiology.
2014 Mar;42(1):79-81.
Outbreak of Rust Caused by Coleosporium asterum on Solidago virgaurea var. gigantea in Ulleung-do
- Affiliations
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- 1School of Applied Biosciences, Kyungpook National University, Daegu 702-701, Korea. heeyoung@knu.ac.kr
- 2Ulleunggun Agriculture Technology Center, Ulleung 799-802, Korea.
- 3Institute of Plant Medicine, Kyungpook National University, Daegu 702-701, Korea.
Abstract
- From June to October 2012, severe outbreaks of rust disease on Solidago virgaurea var. gigantea were observed in 5 different regions of Ulleung-do, Korea. Typical rust symptoms appeared as yellow spots, uredinia on leaves, and massive urediniospores covering the entire plant. Severely infected plants became discolored and died. On the basis of its morphological and molecular characteristics, the causal agent was identified as Coleosporium asterum. This pathogen has been reported as rust disease on S. virgaurea in the Canada and United States. In Korea, rust disease on S. virgaurea var. gigantea was reported as Uromyces rudbeckia in 1992. To the best of our knowledge, C. asterum is a novel rust pathogen on S. virgaurea var. gigantea in Korea.
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