A new Phytophthora ramorum outbreak has been identified on the
Rogue River-Siskiyou National Forest 10 miles east of Brookings, OR.
The site is ½ mile east of the current quarantine boundary; therefore,
an emergency quarantine was put into effect, bringing Oregon’s Sudden
Oak Death (SOD) quarantine area to 229 square miles. The outbreak was
found when two dead tanoaks were identified in the Wheeler Creek
drainage near Chimney Camp during April aerial surveys conducted by the
Oregon Department of Forestry and the USDA Forest Service. Subsequent
ground surveys in the area identified 16 trees that are culture-positive
for P. ramorum. A hiking trail close to the site has been
closed to the public since early June while officials work to eradicate
the infestation. Approximately 50 acres are being treated.
From August COMTF newsletter.
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