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http://dx.doi.org/10.5423/RPD.2010.16.3.320

Sclerotium blight of Neofinetia falcata Caused by Sclerotium rolfsii in Korea  

Han, Kyung-Sook (Horticultural & Herbal Crop Environment Division, National Institute of Horticultural & Herbal Science, Rural Development Administration)
Lee, Seong-Chan (Horticultural & Herbal Crop Environment Division, National Institute of Horticultural & Herbal Science, Rural Development Administration)
Han, You-Kyoung (Horticultural & Herbal Crop Environment Division, National Institute of Horticultural & Herbal Science, Rural Development Administration)
Kim, Su (Horticultural & Herbal Crop Environment Division, National Institute of Horticultural & Herbal Science, Rural Development Administration)
Kim, Dong-Hwi (Horticultural & Herbal Crop Environment Division, National Institute of Horticultural & Herbal Science, Rural Development Administration)
Publication Information
Research in Plant Disease / v.16, no.3, 2010 , pp. 320-322 More about this Journal
Abstract
The Sclerotium blight was found on Neofinetia falcata at Yong-in city, Gyenggi-do, Korea. The symptom occurred low leaves yellowish and wilt of a whole plant. Severely infected plants were blighted and dies eventually. White mycelial mats appeared on the surface of basal stem and bulbs and the sclerotia were formed on stems, roots, and sphagnum moss. The sclerotia were spherical in shape, 1~3 mm in size and white to brown in color. The optimum temperature for the growth and sclerotia formation was $25{\sim}30^{\circ}C$ on PDA. On the pathogenicity test, the first symptom was appeared 5 days after inoculation and development to severe stem rot and blight. The causal fungus was identified as Sclerotium rolfsii and we suggested to call that the new Sclerotium blight on Neofinetia falcata caused by Sclerotium rolfsii in Korea.
Keywords
Neofinetia falcata; Orchid; Sclerotium rolfsii; Sclerotium blight;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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