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Forest Research home > Resources & services > Access our resources > Tree health and protection

Tree Health Diagnostic and Advisory Service

Range of services:

Diagnostic service

Photo of culturing in the laboratory
  • Woodlands in both public and private ownership
  • Trees on farmland, in hedgerows, shelterbelts and screens
  • Christmas tree plantations
  • Trees in forest and horticultural nurseries
    Publicly owned amenity trees
  • Privately owned amenity trees subject to a Tree Preservation Order (TPO) or situated in a Conservation Area.

Flat rate charge for the initial investigation which in many cases may be all that is needed to resolve the problem. Additional work, which may involve culturing from specimens or a site visit, will incur additional charges but will not be undertaken without the prior agreement of the customer.

Please use our standard Report Form and Supplementary Sheet (below) for written and email requests:

Reporting suspected cases of Chalara die back of ash

If you are reporting a suspected case of Chalara die back of ash, please use this online reporting form.

There is no fee associated with this service.

Further information on Chalara die back of ash and details on symptoms guidance.

Identification service

Photo of culture in petri dish Photo of laetiporus growth
  • Fungal fruit bodies
  • Pathogens obtained from diseased specimens by culturing or incubation
  • Fungi supplied as pure cultures.

Advisory service

Bleeding in crown of horse chestnut Oak mildew

General information and advice, usually free of charge, on all aspects of tree disease and disorders and allied subjects. If the problem falls outwith our area of interest we can often direct inquirers to our specialists in Forest Research or in other establishments.

Advisory service standards of service

Explaining some of our work on video

Tree pest/disease alerts and advisory notes

Signs and symptoms of tree pests and diseases and advice on what to do if you suspect the pest or disease is present.

Alerts and advisory notes

Report forms

When reporting tree problems for diagnosis please use our standard Report Form and Supplementary Sheet (below) for written and email requests:

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