First Report of Foliar Infection of Rosa gymnocarpa by Phytophthora ramorum
Hüberli, D., Reuther, K.D., Smith, A., Swain, S., Tse, J.G. and Garbelotto, M. (2004) First Report of Foliar Infection of Rosa gymnocarpa by Phytophthora ramorum. Plant Disease, 88 (4). p. 430.
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In May 2003, Phytophthora ramorum S. Werres & A.W.A.M. de Cock was isolated from leaflets of wood rose (Rosa gymnocarpa Nutt.), a native, low shrub of the Rosaceae family, at the Jack London State Park in Sonoma County, California. Affected leaflets had cream-to-brown lesions or spots, sometimes delimited by a chlorotic zone. Lesions coalesced with time and spread into the petiole and rachis. Lesions on the stems were not observed.
|Publication Type:||Journal Article|
|Publisher:||The American Phytopathological Society|
|Copyright:||(c) The American Phytopathological Society|
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