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Sudden Oak Death and Associated Diseases Caused by Phytophthora ramorum

    Affiliations
    Authors and Affiliations
    • J. M. Davidson , Pacific Southwest Research Station, USDA Forest Service, P.O. Box 245, Berkeley, CA 94701, and Department of Plant Pathology, One Shields Ave., University of California, Davis 95616
    • S. Werres , Biological Research Centre for Agriculture and Forestry, Institute for Plant Protection in Horticulture, Messeweg 11/12, D-38104 Braunschweig, Germany
    • M. Garbelotto , Department of Environmental Science, Policy and Management, Ecosystem Science Division, 151 Hilgard Hall, University of California, Berkeley 94720
    • E. M. Hansen , Department of Botany and Plant Pathology, Oregon State University, Corvallis 97331
    • D. M. Rizzo , Department of Plant Pathology, One Shields Ave., University of California, Davis 95616

      Diagnosis of Sudden Oak Death, ramorum leaf blight, and ramorum shoot dieback on a wide variety of hosts are discussed in detail, including the symptoms and signs, host range, taxonomy, and geographic distribution, as well as methods of isolation, identification, and storage of Phytophthora ramorum, the pathogen which causes Sudden Oak Death.

      Accepted for publication 6 June 2003. Published 7 July 2003.