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The First Report of Postharvest Stem Rot of Kohlrabi Caused by Sclerotinia sclerotiorum in Korea

机译:韩国首发核盘菌菌核病导致大头菜收获后腐烂的首次报道

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摘要

In March 2014, a kohlrabi stem rot sample was collected from the cold storage room of Daegwallyong Horticultural Cooperative, Korea. White and fuzzy mycelial growth was observed on the stem, symptomatic of stem rot disease. The pathogen was isolated from the infected stem and cultured on potato dextrose agar for further fungal morphological observation and to confirm its pathogenicity, according to Koch's postulates. Morphological data, pathogenicity test results, and rDNA sequences of internal transcribed spacer regions (ITS 1 and 4) showed that the postharvest stem rot of kohlrabi was caused by Sclerotinia sclerotiorum. This is the first report of postharvest stem rot of kohlrabi in Korea.
机译:2014年3月,从韩国Daegwallyong园艺合作社的冷藏室中收集了一个大头菜茎腐病样品。在茎上观察到白色且模糊的菌丝生长,这是茎腐病的症状。根据科赫的假设,从感染的茎中分离出病原体,并在马铃薯葡萄糖琼脂上进行培养,以进一步进行真菌形态学观察并确认其致病性。形态数据,致病性测试结果以及内部转录间隔区(ITS 1和4)的rDNA序列表明,大头菜的收获后腐烂是由核盘菌核盘菌引起的。这是韩国大头菜采后茎腐的首次报道。

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