something growing on my cedar tree

Discussion in 'HortForum' started by gagee, Apr 8, 2010.

  1. gagee

    gagee Member

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    Can anyone tell me what this is? There are several of them on one of my cedar trees. It is about the size of a baseball. Not a hornet's nest. Kind of hard. I didn't want to touch it. When you shake the branch stuff falls off it it. I thought they were worms, but it looked like bristles. I can take more pictures if necessary. I have never seen these before. Not sharp like a pine cone.
     

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  2. Michael F

    Michael F Paragon of Plants Forums Moderator 10 Years

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    The tree is a juniper, not a cedar. The 'thing' is a rust disease, Gymnosporangium juniperi-virginianae.
     
  3. gagee

    gagee Member

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    can you get rid of them? will they get on other trees
     
  4. Ron B

    Ron B Paragon of Plants 10 Years

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    For additional information copy scientific name of causal agent and feed it to Google.
     

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