Thank you, it may be stress, several of the low level branches appear to have those stress marks at the area where the branch extends from the trunk.
Here's an day shot, one side of the tree is fine, the other side is drying out. Was wondering if anyone has any idea what it is, thank you.
I've got a crimson maple, about 10 years old. Sometime in early August one branch began to dry up, the leaves did. It has slowly spread to 3 or 4...