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Olive tree

DIANA40DIANA40 Posts: 2
in Problem solving

My olive tree is about 6 foot tall in a large square container. I have had it about 5 years. Last summer it acquired loads of little black round 'things' don't know what they were. no insect inside. looked a bit like egg cases but never saw any insects. I picked them all off whenever I saw them. Now it looks rather sickly with the leaves turning yellow.  Please can anyone help with diagnosis and treatment.

Thanks

Posts

  • DovefromaboveDovefromabove Posts: 88,143
    Could they have been scale insects?

    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • Pete.8Pete.8 Posts: 11,340

    olives? image

    The 2 main pests for olives are, as Dove has mentioned above - scale insects and olive scab. Yours may be scale insects.
    Do you see any fluffy stuff (like cotton wool) under the black blobs? if so, it's scale insect.
    A pic of the tree would help if poss


    Billericay - Essex

    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • DIANA40DIANA40 Posts: 2

    Thanks for reply. There aren't any black blobs now but I can't remember much fluffy stuff like cotton wool. If they were scale insects, have they gone away or is the tree infected and they will appear again when the weather warms up?

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