EPPO Global Database

Phytophthora lateralis(PHYTLA)

Distribution details in United States of America (Oregon)

Current pest situation evaluated by EPPO on the basis of information dated 2020: Present, no details
From CABI Disease map 473 (2012): Present, no details
Southwestern coastal Oregon, and introduced there in 1952 (Hansen et al., 2000).
* Hansen, E.M.; Goheen, D.J.; Jules, E.S.; Ullian, B. (2000) Managing Port-Orford-Cedar and the introduced pathogen Phytophthora lateralis. Plant Disease 84(1), 4-14.

* Jules ES, Steenbock CM, Carroll AI (2014) Update on the 35-year expansion of the invasive root pathogen, Phytophthora lateralis, across a landscape of Port Orford cedar (Chamaecyparis lawsoniana). Forest Pathology doi:10.1111/efp.12158
------- Studies on the expansion at one site in Oregon: spread has slowed down but new introductions from other areas continue to take place.

* Peterson EK, Rupp F, Eberhart J, Parke JL (2020) Root rot of Juniperus and Microbiota by Phytophthora lateralis in Oregon horticultural nurseries. Plant Disease104(5), 1500-1506
------- in nurseries.

USDA. Forest Service. Pacific Northwest Region. Port-Orford-Cedar root disease by Roth, L.W.; Harvey Jr, R.D.; Kliejunas, J.T. http:// http://www.fs.fed.us/r6/nr/fid/fidls/poc.html
Situation in neighbouring countries
Country State Status
Canada British Columbia Present, no details view...
Canada Present, restricted distribution view...