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Symptoms of ash dieback

What are the symptoms?

The wide range of symptoms associated with ash dieback includes (see pictorial guide below - click on image to see larger version with description):

  • Foliage wilt and discolouration
  • Brown / orange discolouration of bark with diamond shape
  • Dieback of shoots, twigs or main stem resulting in crown dieback
  • Necrotic lesions and cankers along the bark of branches or main stem
  • Epicormic branching or excessive side shoots along the main stem