growth on plum tree

Discussion in 'Fruit and Nut Trees' started by SandyCaroline, Aug 11, 2012.

  1. SandyCaroline

    SandyCaroline Member

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    Does anyone know what this growth thing is on our plum tree. Have noticed 3 of them.
     

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  2. Ron B

    Ron B Paragon of Plants 10 Years

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    Probably black knot fungus.
     
  3. SandyCaroline

    SandyCaroline Member

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    Thank you. Have looked this up and that is exactly with this is.
     

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