Sudden Oak Death is not going away in Napa Valley
Sudden Oak Death, the killer of millions of oaks and tanoaks, persists in California forests and oak woodlands, and it is not going away, writes Napa arborist Bill Pramuk.
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Sudden Oak Death, the killer of millions of oaks and tanoaks, persists in California forests and oak woodlands, and it is not going away, writes Napa arborist Bill Pramuk.
As Oregon deals with an unprecedented drought, many dead trees are discovered. Tree health expert Danny DePinte was astounded to witness a stretch of dead fir that appeared to go on forever while flying above Oregon's forests.
Oregon State University Extension Office Sudden oak death (SOD), caused by a non-native pathogen Phytophthora ramorum, has killed more than 1 million oak and tanoak trees in 15 coastal counties in California and thousands of tanoaks in Curry County, Oregon.
More than 40 earthquakes, ranging in magnitude from 3.5 to 5.8, have jolted the Oregon coast, drawing the attention of millions of people in the area.