Very much like Massaria.
Mike
-----Original Message-----
From: David Lonsdale [mailto:d.lonsdale2@xxxxxxxxxxx.com]
Sent: 29 December 2011 10:57
To: UK Tree Care
Subject: RE: Drought, trees and fungal activity
Biscogniauxia nummularia widely occurs on beech in southern Britain. It was
only after the 1976 drought that we started finding it frequently in strip
cankers. Before that drought, we had been finding it mainly on small beech
trees that had been ring-barked at the base by grey squirrels or other
mammals.
We used to accept the myth that functional sapwood was largely free from
fungi or bacteria, and so we wrongly assumed that B. nummularia was merely
colonising trees while they were dying from a combination of suppression and
squirrel damage. We later found that it was present as an endophyte in the
sapwood of the tree and can be triggered into activity (wood decay and then
fruiting in the bark) by various kinds of physiological stress (especially
drought), often in combination with wounding that leads to aeration of a
column of sapwood. In some cases only, this involves strip-cankering.
David L.
-----Original Message-----
From: Rupert Baker [mailto:rupert_baker@xxxxxxxx.co.uk]
Sent: 28 December 2011 12:48
To: UK Tree Care
Subject: RE: Drought, trees and fungal activity
Thanks for that Luke; i had a quick read. One query it raised with me was
its reference to Biscogniauxia nummularia; which I see around quite a lot,
but have never associated with the strip cankers it mentions? Perhaps 'cos
I'm in the soft and humid SW of England
Rupert
-----Original Message-----
From: luke steer [mailto:luketreescapes@xxxxxxxxxxx.com]
Sent: 28 December 2011 12:13
To: UK Tree Care
Subject: Drought, trees and fungal activity
Dear all,
Thos of you following the thread on Ganoderma and wood decay fungi in live
trees may find this FC publication interesting:
http://www.forestry.gov.uk/pdf/fcrn004.pdf/$FILE/fcrn004.pdf
Regards
Luke Steer
Chartered Arboriculturist
Treescapes Consultancy Ltd.
Office: 01539X XXXXX
Mobile: 07734 XXXXXX
Web: www.treescapesconsultancy.co.uk
--
The UK Tree Care mailing list
To unsubscribe send mailto:uktc-unsubscribe@xxxxxx.tree-care.info
The UKTC is supported by The Arbor Centre
http://www.arborcentre.co.uk/
--
The UK Tree Care mailing list
To unsubscribe send mailto:uktc-unsubscribe@xxxxxx.tree-care.info
The UKTC is supported by The Arbor Centre
http://www.arborcentre.co.uk/
--
The UK Tree Care mailing list
To unsubscribe send mailto:uktc-unsubscribe@xxxxxx.tree-care.info
The UKTC is supported by The Arbor Centre
http://www.arborcentre.co.uk/
This email was received from the INTERNET and scanned by the Government
Secure Intranet anti-virus service supplied by Cable&Wireless Worldwide in
partnership with MessageLabs. (CCTM Certificate Number 2009/09/0052.) In case
of problems, please call your organisation’s IT Helpdesk.
Communications via the GSi may be automatically logged, monitored and/or
recorded for legal purposes.
************************************************************************************
This email and any files transmitted with it are private and intended solely
for the use of the individual or entity to whom they are addressed. Any views
or opinions presented are solely those of the author and do not necessarily
represent those of Royal Parks unless otherwise specifically stated. If you
have received this email in error please return it to the address it came
from telling them it is not for you and then delete it from any computer.This
email system is monitored to secure its effective operation and for other
lawful business purposes.
************************************************************************************
The original of this email was scanned for viruses by the Government Secure
Intranet virus scanning service supplied by Cable&Wireless Worldwide in
partnership with MessageLabs. (CCTM Certificate Number 2009/09/0052.) On
leaving the GSi this email was certified virus free.
Communications via the GSi may be automatically logged, monitored and/or
recorded for legal purposes.
--
The UK Tree Care mailing list
To unsubscribe send mailto:uktc-unsubscribe@xxxxxx.tree-care.info
The UKTC is supported by The Arbor Centre
http://www.arborcentre.co.uk/
