Black-grey blotchiness on maples

Discussion in 'Maples' started by eq72521, May 7, 2008.

  1. eq72521

    eq72521 Active Member

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    Location:
    Kennebunk, ME Z5B
    Can someone tell me what the black grey blotcheness may represent?
    I get this on some cultivars, and sometimes the branch dies back, sometimes not. This dissectum has also got some other bark markings which I am not sure is disease.

    I am not sure to cut it back or not. In either case that seems to be treating the symptoms not the problem, which I am interested it.

    Any thoughts?
     

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