Red maple with vertical bark peel from knot hole to ground, tan spongy wood underneath: physical wound, not bugs/disease. Dead bark holds moisture, causes rot.
This "surgery" gives tree best chance to compartmentalize wound.
Car Impact on Maple: Bark Stripping Repair and Borer Prevention
Cytospora Canker in Quaking Aspen: Managing a Treehouse Tree
Large White Grubs in Maple Trunks: Flatheaded Borers
Maple with Holes and Black Bark: Borers and Surface Fungus
Maple Leaf Galls: Harmless Cosmetic Issue
Maple Tree Decline: Moss, Bark Loss, and Mushrooms Signal Aging, Not Just Disease
Sapsucker Damage on Young Oak: Same Culprit, Different Tree
Japanese Maple Borer Infestation: Emergency Spinosad/Neem Treatment
Black Spots on Japanese Maple Bark: Likely Harmless Lichens
Japanese Maple Bark Peeling: Sooty Bark Disease and Lichen—Water, Insecticide, Monitor
Coral Bark Maple Black Sap Spot and Mottled Leaves: Graft Incompatibility
Mature Maple Tar Spot: Management and Fertilization
Saving a Dog-Damaged Young Maple: Wound Care and Borer Prevention
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