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