Mycobiology.
2012 Dec;40(4):263-264. 10.5941/MYCO.2012.40.4.263.
First Report of Sclerotium Rot on Cymbidium Orchids Caused by Sclerotium rolfsii in Korea
- Affiliations
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- 1National Institute of Horticultural and Herbal Science, Rural Development Administration, Suwon 441-440, Korea. kshan9@korea.kr
- KMID: 1428541
- DOI: http://doi.org/10.5941/MYCO.2012.40.4.263
Abstract
- Sclerotium rot was found on Cymbidium orchids at Seosan-si, Chungcheongnam-do, Korea, in July, 2010. Symptoms occurred on low leaves, which turned yellowish, after which the entire plant wilted. Severely infected plants were blighted and eventually died. White mycelial mats and sclerotia appeared on pseudobulbs. Based on the mycological characteristics and pathogenicity, the causal fungus was identified as Sclerotium rolfsii. This is the first report of new Sclerotium rot on Cymbidium spp. caused by S. rolfsii in Korea.
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