<<We do not know how the disease is going to run. Do we?>>
Jonathan,
No I don't think we do, certainly plenty of trees down here that have been
exhibiting mild bleeding for may years, but not developed more significant
symptoms.
I was referring more to added stress that retaining them in new development
may pose, predisposing them to progression into a mortality spiral. Also 250
mm stem diameter, so presumably not that old, so could mitigation be a viable
alternative? If they were oak or lime you could argue a long term
contribution if retained, but whilst I wouldn't want to condemn such an
important landscape tree - can the same be said for these HC's?
Difficult one
PJ..
Paul Johnston
Tree Officer
Planning
Fareham Borough Council
www.fareham.gov.uk
(+44)01329 824451
-----Original Message-----
From: Tesh, Jonathan [mailto:Jonathan.Tesh@xxxxxxxxxx.gov.uk]
Sent: 08 February 2010 14:10
To: UK Tree Care
Subject: RE: Horse Chestnut Bleeding Canker
Paul says <there should be a good supporting statement as to why said
trees shouldn't constrain development>
Cheers Paul, but there's the rub. We do not know how the disease is
going to run. Do we? These are otherwise healthy vigorous trees. Mind,
why did they succumb to an infection in the first place? Can young trees
exhibit symptoms and be otherwise fine in the long-term? I am separately
awaiting a Forest Research opinion but the jury seems always to be out
on this matter (except Edmund! - cheers, I feel you are right).
Jon
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