I have been finding out a little more about treating trees. The most recent publicity was about the oak processionary moth, which has killed off oak trees in some parts of London. Brent did have an issue of this sort in King Edward VII park, but fortunately there is an established chemical treatment which Gristwood and Toms (our contractor) were able to implement.
Most of Brent's oaks are in our parks. Our bigger problem is with ash trees, where there is no identified solution for ash tree dieback. We have several hundred ash trees on our streets and many more in our parks.
Incidentally, anyone interested in urban trees might want to be part of the tree survey currently being undertaken by the Natural History Musuem. It is intended to give a baseline for the study of the damage done not just be diseases, but also the effect of climate change.
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