Ginkgo; Unknown Wound/Lesion

After last night’s Live Stream all the Ginkgo experts will be out of the woodwork (HA!) so maybe it’s the time to ask this…

I saw this GB for sale at a local meeting last fall and noticed these whitish lesions on the base. To me they looked similar to Eastern Filbert Blight. My understanding is that GB is not prone to many diseases, so i’m curious what they might be.



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Meant to include this marked up image in the OP. Sorry!