Maple tree fungus - Ask Extension
What is this black “fungus” looking growth on my Autumn Spkendor maple tree. The smaller limbs off this branch are dying.
Knowledgebase
Maple tree fungus #843061
Asked July 28, 2023, 1:38 PM EDT
What is this black “fungus” looking growth on my Autumn Spkendor maple tree. The smaller limbs off this branch are dying.
Hennepin County Minnesota
Expert Response
Your photos are too dark to make a definitive diagnosis. It might be oystershell scale. Look here:
https://apps.extension.umn.edu/garden/diagnose/insect/trees-shrubs/not-obvious/oystershellscale.html
You probably should have a certified arborist assess it:
https://www.treesaregood.org/findanarborist
https://apps.extension.umn.edu/garden/diagnose/insect/trees-shrubs/not-obvious/oystershellscale.html
You probably should have a certified arborist assess it:
https://www.treesaregood.org/findanarborist
