UKTC Archive

RE: Fungus on Lime

Subject: RE: Fungus on Lime
From: "David Lonsdale"
Date: Oct 06 2019 11:15:35
Dear All,

Coniophora puteana, a well-known cause of wet-rot in timber, can degrade the 
outer layers of the bark of various tree species if humidity is high 
(typically near ground level).  The underlying inner bark remains intact and 
eventually becomes exposed by the shedding of the decaying outer bark.   The 
exposed inner bark usually looks smoother than the surrounding unaffected 
outer bark; hence the name 'smooth patch' for this condition.

DL
 
-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info <uktc-request@xxxxxx.tree-care.info> 
On Behalf Of AV Arboriculture
Sent: 06 October 2019 11:11
To: UK Tree Care <uktc@xxxxxx.tree-care.info>
Subject: Re: Fungus on Lime

Hi Wayne,

That is interesting - do you know of any research that has shown saprophytes 
to consume tree bark?  That was one of my main concerns.

Mike

Regards, 

Mike Charkow
Principal Arboriculturist
______________________
Arbor Vitae Arboriculture Ltd 

Planning surveys, Tree inspections, Bats in trees inspections, Arboricultural 
consultancy, Soil de-compaction, Root Investigation, Woodland Management. 

[ mailto:info@xxxxxxx.co.uk | info@xxxxxxx.co.uk ] [ https://avtree.co.uk/ | 
www.avtree.co.uk ]
07917XXXXXX
Company Registration Number: SC413171

----- Original Message -----
From: "Wayne Tyson" <wt750mv@xxxxxx.com>
To: "uktc" <uktc@xxxxxx.tree-care.info>
Sent: Saturday, 5 October, 2019 22:53:14
Subject: Re: Fungus on Lime

Ivy tends to promote and maintain a higher humidity in such 
micro-environments, so perhaps its removal might discourage fungal 
development. Closer examination might reveal useful particulars. Sometimes 
saprophytes consume the bark, setting up conditions for entry into the 
heartwood, as well as set up conditions for parasitic species. Even loss of 
heartwood weakens the tree, which can appear to the casual observer to be 
"perfectly healthy."

I am speaking from experience in the USA only. Even in the relatively dry 
climate in which I live now, I have observed such phenomena in association 
with ivy. Some species appear to be more tolerant than others. In susceptible 
species, failure is often the result, even of those "perfectly healthy" ones. 
Any tree professional should perform all of the necessary investigations to 
secure as complete as possible analysis. (No offence to my UK listserv pals, 
but failure to follow those procedures seems to be more common than not here 
in the USA.)

Wayne

On Sat, Oct 5, 2019 at 1:34 PM Rupert Baker <rupert_baker@xxxxxxxx.co.uk>
wrote:

This looks like a fungus I've seen in humid situations at the base of 
various species trees; if it is the same thing it is a harmless 
saprophyte.  Mind you, that is no the basis of a low-res photo...
Atb
Rupert
-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info On Behalf Of AV Arboriculture
Sent: 05 October 2019 13:09
To: UK Tree Care <uktc@xxxxxx.tree-care.info>
Subject: Fungus on Lime

I think this is some form of dry rot - do you agree? It was growing on 
two Lime trees under ivy. I didn't find any bark necrosis, though one 
tree has a small amount of sapwood delignification (possibly 
unrelated). Does anyone know the effects of this on trees?

Mike Charkow



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