SF Gate
Sudden Oak Death (SOD), a deadly disease for oak trees, is on the rise in California. According to a
survey conducted by UC Berkeley scientists, the number of infected trees has almost doubled since 2018.
Matteo Garbelotto, the director of the UC Berkeley Forest Pathology and Mycology Laboratory, has been involved in conducting the survey of 14 California counties (stretching from Humboldt to Monterey) for the past 12 years. This year, two aspects of the results stood out to him.
“We found this year the most sharp increase ever in the number of trees affected,” said Garbelotto. However, this was expected due to the wet winters we’ve had in California for the past two years — the spores spread faster with significant rainfall.
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By Madeline Wells | 11 Nov 2019
