Spores on Japanese Maple

[medic229]

We recently bought this tree and had it professionally installed. We notice these red spores in the area of the trunk and wondered if they are something we should do something about and what that might be if so. See attached pic.

Thanks for any advise.

Dana
Snohomish, WA

 

[Axmeaquestion]

Could be mite galls, typically seen on the leaves.

 

[Raintree]

Trunk necrosis with the manifestation of nectria canker.