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  • Answered by
    Heather on
    July 11, 2011
    Certified Expert
    A.

    Many maple bark diseases are caused by a fungus. You can treat many with a fungicide such as neem oil or liquid copper .

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  • Answered by
    Heather on
    July 11, 2011
    Certified Expert
    A.

    This is true. It is a method called topping. But, it only works to a certain extent as the tree will choose new branches from those horizontal growing branches to grow upward and topping also causes problems with the tree. Here is more information on topping:
    https://www.extension.iastate.edu/publications/sul7.pdf

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  • Answered by
    Heather on
    July 14, 2011
    Certified Expert
    A.

    It is a maple tree and it sounds like you have borers. This article will help:
    https://extension.colostate.edu/pubs/insect/05530.html

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  • Answered by
    Becca062 on
    July 12, 2011
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  • Answered by
    Nikki on
    July 18, 2011
    Certified Expert
    A.

    Unfortunately, I think you're doing all you can right now. You'll just have to wait it out.

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  • Answered by
    Nikki on
    July 28, 2011
    Certified Expert
    A.

    In order to keep the trees healthy, you do not want to cover the roots (which it sounds like you knew already), but you can fill in around them a bit. That would be fine.

    This section of the site has some information on gardening in the shade. You can find some suggestions on what to grow in this section:
    https://www.gardeningknowhow.com/shade

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