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Identifying the cause of tree deaths...

Posted by Kirsty McGeorge on February 1, 2016 at 6:01pm in Groundscare and Tree Surgery

I have a customer who I am in discussion with about landscaping their garden. Last spring they lost a lot of the trees they had there and they described the sequence as the trees came out into leaf as normal but then all the leaves turned brown and curled up and they were all dead within a few weeks. Apparently it started with the lilacs then the willow then the prunus varieties. A previous gardener believes it to be Phytophthora canker, unfortunately the trees are now gone so no further examination of them can be carried out. A yew, an old prunus and a sycamore have survived in the garden but apparently the whole neighbourhood has been affected by it. Does anyone know much about this and know if these symptons sound like Phytophthora? As we want to replant it is essential to choose the right shrubs and trees that will be resistant to this disease. 

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Tags: tree health, tree diseases, phytophthora
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Replies

  • john jones February 1, 2016 at 9:50pm

    Lilac, willow and prunus sounds like a fairly good list for honey fungus. Last spring was very dry at times so things could have gone bad quickly. Are the trees completely gone as in stumped out? I would have a poke around in any debris. Try and have a look in neighbour's gardens if everyone is friendly. 

  • PRO
    Geoffrey King February 2, 2016 at 9:59pm

    Same thing has happened in a garden we do, but the client knows it's honey fungus.  It's killed a huge Hebe, conifers, spruce, hazel, holly, over a period of several years, travelling through the soil.

    Another customer said about planting, whatever in brown paper bags, by the time paper degrades, the fungus has moved on to new victims

  • PRO
    Andy February 3, 2016 at 9:13am
    No expert on killers of trees but sounds like honey fungus. Have it around here and it takes time but will eventually kill all infected plants.
  • Kirsty McGeorge February 3, 2016 at 11:27am

    Thanks everyone that does seem to make sense and I have passed the information on. 

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