• 09.10.2018
  • Written by  UC blogs Feed

Dry conditions keep sudden oak death in check, yet significant outbreaks continue

imageSudden oak death, which has killed millions of trees in California over the past 20 years, is spreading more
imageSudden oak death, which has killed millions of trees in California over the past 20 years, is spreading more slowly, according to California's most recent citizen-science sudden oak death survey. The 2018 SOD Blitz results indicate Phytophthora ramorum (the pathogen known to cause SOD) infection is currently less prevalent in many wildland urban interface areas, though significant outbreaks are still occurring in some locations. Overall, 3.5 percent of the trees (based on those areas......

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