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KMID : 0379120170450040381
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Korean Journal of Mycology
2017 Volume.45 No. 4 p.381 ~ p.385
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First Report of Sclerotinia sclerotiorum Causing Sclerotinia Rot on Ixeridium dentatum in Korea
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Park Myung-Soo
Kim Young-Guk
Lee Sang-Won
Park Chun-Geun
Kim Yong-Il
Lee Eun-Song
Chang Jae-Ki
An Tae-Jin
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Abstract
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Sclerotinia rot was observed on cultivated as a succeeding crop in a garlic field in Seosan-si, Korea during the growing season in 2016 and 2017. Symptoms progressed from the initial irregular, water-soaked spots on main stems to wilting and eventually to plant death. White, cottony mycelia and black, irregular sclerotia formed on the basal stem and on soil surfaces. The optimal temperature of hyphal growth and sclerotia germination were 20°C and 25°C, respectively. Sequence analysis of the internal transcribed spacer (ITS) regions revealed that the three strains isolated from are grouped with . Three strains were identified as based on morphological features, ITS sequence, and pathogenicity test. To the best of our knowledge, this work is the first report of causing sclerotinia rot on in Korea.
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KEYWORD
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Ixeridium dentatum, New report, Sclerotinia rot, Sclerotinia sclerotiorum
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