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KMID : 1160220160440040335
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Mycobiology
2016 Volume.44 No. 4 p.335 ~ p.337
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New Rust Disease of Korean Willow (Salix koreensis) Caused by Melampsora yezoensis, Unrecorded Pathogen in Korea
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Yun Yeo-Hong
Ahn Geum-Ran
Yoon Seong-Kwon
Kim Hoo-Hyun
Son Seung-Yeol
Kim Seong-Hwan
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Abstract
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During the growing season of 2015, leaf specimens with yellow rust spots were collected from Salix koreensis Andersson, known as Korean willow, in riverine areas in Cheonan, Korea. The fungus on S. koreensis was identified as the rust species, Melampsora yezoensis, based on the morphology of urediniospores observed by light and scanning electron microscopy, and the molecular properties of the internal transcribed spacer rDNA region. Pathogenicity tests confirmed that the urediniospores are the causal agent of the rust symptoms on the leaves and young stems of S. koreensis. Here, we report a new rust disease of S. koreensis caused by the rust fungus, M. yezoensis, a previously unrecorded rust pathogen in Korea.
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KEYWORD
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ITS, Melampsora yezoensis, Rust, Salix koreensis
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