Gum Trees
Q.

gum trees

tommy added on November 16, 2014 | Answered

We have young gum trees at the back of our property. We are on rural land and the trees have been in for about six months. Two trees have round lumps about half to full size of a marble. Can you please advise what this is and how to deal with it?

Thank you
Tommy

    A.
    A.Answers to this queston: Add Answer
    theficuswrangler
    Answered on November 18, 2014

    You don't mention where on the tree these bumps are, which is important. Your description sounds like some kind of gall, or maybe a canker. Galls are usually not terribly dangerous. https://www.gardeningknowhow.com/plant-problems/environmental/treating-leaf-gall-on-plants.htm
    although some galls, and most cankers, are caused by infectious agents: https://www.gardeningknowhow.com/plant-problems/disease/how-to-fix-crown-gall.htm
    https://www.gardeningknowhow.com/plant-problems/disease/weeping-amber-in-trees.htm
    For a good diagnosis you can take some samples to the nearest county extension service, where they can give you treatment advice as well as tips on how to keep your trees as healthy as possible. This link will help you find the nearest office:
    https://www.gardeningknowhow.com/garden-how-to/info/what-is-extension-service.htm

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