I’m seeing very encouraging results from the surgical procedures I have been performing on oaks with stem canker infections. Here is a 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.
Afterwards the wound is cauterized with a blow torch.
Then a mineral poultice is applied to the wound.
Finally, the oak is fertilized with compost tea and soil minerals, and a limewash is applied to the entire trunk of the oak.
I plan to follow the progress of this oak over then next several years.
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