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Red Bumps on Maple Trees

Discussion in 'Homeowner Helper Forum' started by Beth Davis, May 20, 2001.

  1. Beth Davis

    Beth Davis New Member

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    This spring small red egg like protrusions appeared on our red maple. We thought they were eggs and treated for insects. The red protursions turned green and are growing like warts. Any ideas what it is and how to make it go away?
     
  2. Treeman14

    Treeman14 Addicted to ArboristSite

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    Beth,
    Are they located on the leaves, branches, or trunk? It sounds like it may be galls.
     
  3. Beth Davis

    Beth Davis New Member

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    Yup, Galls they are. Figured it out after spending some more time on line. The tree is relatively young (5 - 6 years) and everything I find says there much to be done about it. Any advice?
     
  4. Treeman14

    Treeman14 Addicted to ArboristSite

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    Beth,
    If they are on the leaves or smaller twigs, they can be clipped off if the trees aren't too big. They don't really present any long-term problems for most trees. They often occur in cycles and nature seems to take care of them before they can do much damage.
     
  5. John Paul Sanborn

    John Paul Sanborn Above average climber

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    A mite gall, just an aesthetic problem. Dormant oil sprays can give some contol if it gets bad, or you dont like it.
     
  6. Beth Davis

    Beth Davis New Member

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    Thank you, both. I'll just take a pill and chill out and maybe pluck a leave or 10.

    blessings, beth
     
  7. sgbotsford

    sgbotsford ArboristSite Lurker

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    It can get quite unsightly. The critters overwinter in cracks in the bark and in the duff under the tree. I've seen mention of both dormant oil and lime-sulfur for killing the bugs, but not from a source I consider authoritative. Given that I've seen maples on lists for being intolerant of dormant oil, I would hesitate.
     

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