I’m seeing very encouraging results from the surgical procedures I have been performing on oaks with stem canker infections. Here is the sequence of steps. The above photo is of a recent (less than one year) stem canker infection, possibly Sudden Oak Death, of a young coast live oak. The next step is to remove the infected tissue using a hand axe. The photo below shows a partial state of canker removal.
The next photo shows the infected canker tissue entirely removed.
in 2015 I began applying fire mimicry treatments to a grove of sick coast live oaks. Yesterday I checked on their status. Here are the photographic comparisons showing that the density and greenness of the oak canopies has increased noticeably after four years of treatments. However, two severely diseased oaks did not respond to the treatments during this period and had to be removed. Fortunately, the remaining oaks appear healthier and the prognosis for recovery is good.
Last year I initiated fire mimicry treatments on a grove of coast live oaks in Kentfield, CA. Here are the results . . .
Enjoy!
Sudden Oak Life 
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