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KMID : 1160220140420040409
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Mycobiology
2014 Volume.42 No. 4 p.409 ~ p.411
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The First Report of Postharvest Stem Rot of Kohlrabi Caused by Sclerotinia sclerotiorum in Korea
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Kim Joon-Young
Aktaruzzaman Md.
Afroz Tania
Hahm Young-Il
Kim Byung-Sup
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Abstract
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In March 2014, a kohlrabi stem rot sample was collected from the cold storage room of Daegwallyong HorticulturalCooperative, Korea. White and fuzzy mycelial growth was observed on the stem, symptomatic of stem rot disease. The pathogenwas isolated from the infected stem and cultured on potato dextrose agar for further fungal morphological observation and toconfirm its pathogenicity, according to Koch’s postulates. Morphological data, pathogenicity test results, and rDNA sequences ofinternal transcribed spacer regions (ITS 1 and 4) showed that the postharvest stem rot of kohlrabi was caused by Sclerotiniasclerotiorum. This is the first report of postharvest stem rot of kohlrabi in Korea.
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KEYWORD
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Kohlrabi, Pathogenicity, Postharvest disease, Sclerotinia sclerotiorum, Sclerotinia stem rot
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