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trees
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I have a sugar maple tree that has been in my back yard for at least 35 years I have had no prombles with it untill now. There are large black spots on the leaves. What causes this and how do I fix it?
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Hi CJ,
Sounds like tar spots. Take a look here.
http://www.cfl.scf.rncan.gc.ca/collections-cfl/fichemaladie_ e.asp?id=12
http://maple.dnr.cornell.edu/Ext/diseases.asp
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