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A New Rhizoctonia Fungus on Turfgrass in Ontario

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Title: A New Rhizoctonia Fungus on Turfgrass in Ontario
Author: Gowan, Russ; Olds, Darcy; Hsiang, Tom
Abstract: The fungal genus Rhizoctonia contains many species, which cause diseases of plants (Tredway and Burpee 2001, Smiley et al. 2005). Turf diseases include brown patch caused by R. solani and yellow patch caused by R. cerealis. Other Rhizoctonia species which cause diseases on turfgrass are R. zeae and R. oryzae. These two organisms are probably variants of a single fungal species named Waitea circinata (Oniki et al.) and both cause a single disease that has several different names, including hot weather brown patch, leaf and sheath spot, leaf and sheath rot, leaf and sheath blight, sheath spot, Rhizoctonia patch or brown ring patch, among others. For simplicity,it will be referred to in this article as sheath spot.
Date: 2006-06
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Related Publications: Gowan, R., Olds, D., Hsiang, T. "A New Rhizoctonia Fungus on Turfgrass in Ontario" GreenMaster 41.3 (June 2006): 28-30

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