Decay and ill health in trees



When a trees defences are weakened by outside factors such as extremes of weather or damage to the delicate cambium layer beneath the bark, they can become liable to attack from a number of agents. These agents may be fungal, viral or bacterial and may act to cause ill health or decay in trees. The presence of viral or bacterial pathogens are more commonly noticeable by signs of dieback, foliar chlorosis or bleeding, whereas fungal pathogens predominately cause wood degradation leading to possible root, stem or branch failure and can therefore be of danger to persons or property located close to the trees.

Different types of pathogens can cause varying degrees of damage to a trees health or structure and accurate identification and diagnosis can help to avoid future problems.

Identification and diagnosis

We have staff who have qualifications and a number of years experience in the identification and diagnosis of ill health in trees, particularly fungal pathogens.

We are able to offer a service of identification for most known wood decay fungi, although fungal fruiting bodies may only be present and visible on trees for a short period. Should you wish to use our services, you may aid us in our work by photographing, recording and locating fungal fruiting bodies, as they may not be apparent during a site visit.


Decay detection

Cotswold Tree Surgeons have decay detection devices able to measure and map the extent of cavities and rot, which may enable viable management recommendations.

Management recommendations

Based on our identification and diagnosis we will be able to offer management solutions to maintain trees in a safe and healthy manner where practicable with regard to their surroundings.

Report writing

Where remedial works or tree removal is necessary to large important trees, it may be necessary to produce a report to highlight existing health condition and potential structural or safety issues. Where such trees are of high local importance, particularly those within conservation areas or protected by Tree Preservation Order then the Local Authority may require such a report to substantiate a works application.

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