Weird Black Tar stuff under Maple Tree

rrascherMay 6, 2011

I have a maple tree which has some weird black tar looking stuff around the base of the tree. When I first see the stuff it looks black and has a fine texture and is soft and it turns brown over time. I also see some yellow spots on some of the leaves. Not sure what this is but it looks like my tree may be in trouble as its leaves are not as full as my other maple. Any suggestions?



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ken_adrian Adrian MI cold Z5

not much to go on.. a pic would sure help ...

WAG .... slime mold ... check out the link .. then flip to the WEB side


Here is a link that might be useful: link

    Bookmark   May 6, 2011 at 11:29AM
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Probably sooty mould growing on honeydew (a.k.a. 'aphid pee').


    Bookmark   May 6, 2011 at 2:01PM
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Dan Staley

Any suggestions?

Some pictures.


    Bookmark   May 6, 2011 at 2:16PM
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