Sudden Oak Death – SOD Blitz Survey & COVID-19

Sudden Oak Death, or SOD, is an exotic introduced disease that has killed hundreds of thousands of native oak and tanoak trees in California. Phytophthora ramorum, the causal agent of SOD, is a microscopic organism that is spread during periods of relatively warm, rainy weather; late spring in northern California. Click on the links below for more information:

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Fall 2015 Meeting Schedule
SOD Blitz 2015 Results