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First Report of Rhizoctonia Foliar Blight of Soybean in South Carolina

M. R. Williamson, C. S. Rothrock, and J. D. Mueller

October 2006


Rhizoctonia foliar blight of soybean is found in tropical and subtropical areas worldwide. In the US, it is found mainly in the states of the Gulf Coast region. On 13 September, 2005, the Clemson University Plant Problem Clinic received a soybean sample from Florence County, SC showing severe foliar blight. The cultivars Northrup King 7325 and 76-L9 were affected. Hyphae typical of Rhizoctonia species were observed on the foliar lesions, and the genus was confirmed by microscopic examination.


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