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A number of different agents can induce this condition and each has different management approaches.
It is essential to determine the cause of the bleeding in oak so that the correct management practices are applied.
Forest Research Tree Health Diagnostic and Advisory Service (THDAS) can help diagnose the cause of bleeding but there may be a charge for this service.
The following are tips on the kind of information that would assist THDAS:
Once you have a correct diagnosis of the cause of the bleeding, and if the condition is described as acute oak decline with symptoms of extensive stem bleeding, then follow the specific advice for the management of extensive stem bleeding on oak.
Separate advice on the management of oaks and other trees affected by Phytophthora ramorum (often referred to in the USA as “Sudden Oak Death”) is given in:
“Phytophthora ramorum – A practical guide for established parks and gardens, amenity landscapes and woodland areas”.
This isavailable free from:
London SW1A 2XX
Tel: 08459 556000
orcan be downloaded from the Defra website:
Phytophthora ramorum – A practical guide for established parks and gardens, amenity landscapes and woodland areas
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