mycelium and young rhizomorphs
strong winds than vigorous younger trees, with thick canopies that act like sails in the wind.
Other actions that may be
taken include branch removal to reduce the size of the crown, compensating for the loss of roots or the reduction of strength in the trunk. Some trees can be supported by props or cables. Where top rots occur, reducing the length of affected branches may be all that is required rather than their complete removal. If a tree suffering from decay is particularly valuable, it may be more sensible to remove the factor that makes it a risk to the public (e.g. diverting a path that runs underneath) than to remove the tree.
Of course there are many other factors that can result in reduced vigour, dieback and crown thinning. These include drought,
waterlogging, soil compaction and the effects of other pests and diseases, and should all be taken into account during the examination conducted by the arboriculturalist. As we have seen, though, if decay fungi are found to be involved it does not automatically mean the end of a tree’s useful life. Even if a tree has died, leaving it in situ will provide a valuable wildlife habitat for invertebrates, birds and small mammals if it is not deemed to be a risk.
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Giant Polymore WORLD CLASS POWER TOOLS 53
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PC126EC
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