Sudden Oak Death is a tree disease caused by the plant pathogen Phytophthora ramorum. The disease kills some oak species and has had devastating effects on forests in California and Oregon. Read more about Sudden Oak Death.
Areas of Interest
P. ramorum in Wildlands The information in this section is geared toward land management, forestry and arboriculture professionals, including Best Management Practices.
EU1 lineage confirmed in U.S. forests for the first time, suggesting pathogen spread from nurseries to wildlands. Read more…
Five new waterways confirmed in northern California. Read more…
Additional P. ramorum finds at Kitsap County, WA botanical garden. Read more…
Redwood National Park continues “slow the spread” treatments. Read more…
Resources on P. tentaculata, recently found in native plant nurseries and restoration sites.
Help stop the spread of forest pests – including Sudden Oak Death – on firewood! Check out the website of the California Firewood Task Force.
Calendar of Events
8/23 – 8/28 – 5th International Workshop on the Genetics of Tree-Parasite Interactions; Orléans, France
9/21 – 9/25 – 63rd Western International Forest Disease Work Conference; Newport, Oregon
10/21 – SOD Treatment Workshop; UC Berkeley
11/4 – 11/5 – Annual Meeting of the California Forest Pest Council; Wildland Fire Training & Conference Center, McClellan CA