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Pear tree producing sap on leaf stems

Hi, could anyone help with the sticky sap that has appeared on my pear tree, it's a dwarf columnar tree purchased 3 months ago..these orange bumps have appeared on every leaf stem, nothing on the trunk of the tree and nothing on the leaves, tree looks healthy and has grown very well in a greenhouse..When bought it had no leaves and was just coming into bud....Thanks in advance for any ideas....


  • Pete.8Pete.8 Posts: 10,309
    It may be soft scale insects
    Have a google at some pics
    Some RHS info here if it is
    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • Logan4Logan4 Posts: 2,585
    Why have you got it in the greenhouse? It should be outside it's very hardy fruit tree.
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