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Maple tree growth on trunk

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Name: Irene
Email: yami_dartz@yahoo.com
I have a maple tree about 15 feet from water/lake. It has regular green and mustard colored growth on north side of trunk. Recently, however, there is also a beige fungus taking over the north side of tree trunk. Leaves are becoming more sparse and die-back looks like it will happen. What is the growth and will it affect my other maple trees?

Thanks much….Irene

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One Response to “Maple tree growth on trunk”
  1. Chris Mest Says:

    The growth on the trunk and the health of the tree might be unrelated. Please understand that without seeing the tree even a certified arborist such as myself is only taking an educated guess.

    If you live in an area without air pollution the growth on the trunk could be lichen, which does not hurt the tree.
    As to what is causing the decline in health, I would need to see the tree or at least photos of the tree and the environment it is growing in.

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