A new Phytophthora species is threatening production nurseries (native plant nurseries often used in restoration projects). Classified as water molds, Phytophthoras are fungus-like organisms (Oomycetes) that can infect the roots of a plant or tree, or can cause a canker disease in the stem or branches, depending on the species. Other Phytophthoras include P. infestans, that caused the Irish Potato Famine, and P. ramorum, that causes sudden oak death and ramorum leaf blight, that has killed hundreds of thousands of oaks and tanoaks along the north coast of California since the early 1990s. For more information, please call our office at 707-445-7351. For more information on sudden oak death, check out our webpage cehumboldt.ucanr.edu/Sudden_Oak_Death/ or visit the California Oak Mortality Task Force at suddenoakdeath.org.
Posted on: Mon, 12 Jan 2015 20:52:22 +0000
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