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Honey Fungus, the root of your unhealthy tree?

Honey Fungus can be a very serious problem for your trees. Some species of Honey Fungus are parasitic and can cause considerable damage to coniferous forestry plantations and gardens alike. However, most species are saprophytic ( only degrade dead or dying woody material.) It is essential to identify the species of Honey Fungus present before embarking on any course of remedial action.

Diagnosis & Symptoms:

  • A tree has suddenly died or has died after a period of increasing ill health.

  • The crown of a tree shows a general deterioration over a period of time.

  • A tree has blown over to reveal a decayed root system.

  • Gum, resin or a waterey liquid may seep from the tree stem.

  • Brown or honey coloured toadstools appear in clumps (in autumn, typically) on or near the stem base.

  • The bark at the base of the stem is dead. Underneath the bark is a sheet of white or cream substance.

Honey fungus kills the roots of the host plant. It then degrades the root system and the lower stem leaving the tree potentially unstable and liable to fail.

The fungus spreads from infected plants by direct contact with the roots of neighbouring plants. It also spreads through the soil by means of the bootlace or rhizomorph structures.

In order to attempt to remove Honey Fungus, we suggest digging out and dispose of all infected areas, including the whole of the root system.

It may be possible in some situations to protect trees and shrubs with a sunken barrier.

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