College of Agricultural, Human, and Natural Resource Sciences

Department of Plant Pathology

Stopping the Spread of Sudden Oak Death

Sudden Oak Death (SOD) has killed millions of oak trees in California, but since receiving its common name in 1995, SOD has also been found infecting flowers in Washington State nurseries. The latest tally for the cost of the Washington campaign to contain Phytophthora ramorum, the fungus-like organism that causes SOD, is more than $400,000 in destroyed nursery plants over two years. These losses, coupled with additional measures such as quarantine, labor, and disposal, have driven some Washington nurseries out of business. Read more about Dr. Gary Chastagner’s research featured in WSU’s On Solid Ground.

Department of Plant Pathology, PO Box 646430, Washington State University, Pullman WA 99164-6430, 509-335-9541, Contact Us
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