foliar pathogen

Stop Sudden Oak Death This Fall

Sudden oak death (SOD) is the common name for a fatal tree disease caused by Phytophthora ramorum, a species of oomycetes that are similar to fungi. SOD is one of 59 species of Phytophthora, all of which cause disease in plants, such as coast live oak, California black oak, Shreve oak, tan oak, and canyon […]

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