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Hello My lovely acer has just taken a turn for the worst On one side all of the foliage has suddenly died I then noticed what looks like a white fungus with brown spores in the middle on the trunk I have sprayed it with a fungus spray, does anyone know what this could be? Will the tree survive? Should I repot it (it's in a container) ? Any advice much appreciated Regards Nadger


  • PalustrisPalustris Posts: 4,252

    Sounds more like Oyster scale than a fungus. Spray with a soap based insecticide, or gently scrub them off with soap, or if only a few dab with methylated spirits. They are sap suckers which is why the tree maybe suffering.

  • DovefromaboveDovefromabove Posts: 86,989

    Nadger the badger - I think a photograph would be helpful - to post a pic on here you click on the green tree icon on the toolbar above where you type your post, and follow the instructions. image

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

  • Thanks berghill,just the name oyster-scale

    Describes the problem perfectly

    Have washed down with soapy water

    Should I repot in new soil?

    Sorry dove I may be a bit dim but I can not see the tree icon!!
  • PalustrisPalustris Posts: 4,252

    I wouldn't, not yet.. scrape the top 2 inches off and replenish with fresh and feed with a general purpose fertiliser to see what happens.

  • DovefromaboveDovefromabove Posts: 86,989

    Are you posting on a laptop/pc?  Some phones/tablets don't show the toolbar image

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

  • Phone!
  • Thanks for the advice berghill
  • eccleseccles Posts: 2

    Hi, I hope someone can help. I have in my soil what looks like bits of ash, and this smells musty. Any ideas please?

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