Black spots on maple leaves

My maple trees have black spots on the leaves. The width of the spot varies – most about width of finger tip. I’m in upstate NY. What could this be and how should I treat this?

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1 Comment To "Black spots on maple leaves"

#1 Comment By robinholly On 09/08/2015 @ 10:02 pm

Mine has the same thing. It can be a fungus but it is very hard spraying a tree. They are going to lose all their leaves soon anyway. But be vigilant about sanitation and dispose of the fallen leaves instead of composting them.

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