EPPO Global Database

Phytophthora alni subsp. alni(PHYTAL)

Distribution details in United States of America (Alaska)

Current pest situation evaluated by EPPO on the basis of information dated 2008: Present, restricted distribution
From CABI Disease map 1040 (2008): Present, no details
EPPO Reporting Service (2010/079) : first found in Alaska in 2007 (first record for North America), causing widespread dieback and mortality. P. alni subsp. uniformis was isolated from soil beneath diseased Alnus incana subsp. tenuifolia trees on the Kenai Peninsula and near Denali National Park.
Adams GC, Catal M, Trummer L, Hansen EM, Reeser P, Worrall JJ (2008) Phytophthora alni subsp. uniformis found in Alaska beneath thinleaf alders. Plant Health Progress. http://www.forestpathology.org/pdfs/adams2008Palni.pdf

Trummer L (2009) Alder Phytophthora (Phytophthora alni subsp. uniformis) in Alaska. http://www.fs.fed.us/r10/spf/fhp/phytophthora/uniformis.html