Thank you all for your interest.

Maybe the id is academic but it links with a greater interest of mine -
fungi (a subject which seems to become harder the more I try to learn!)

I have Googled P. mucronatum/tuberculatum and amongst quite a few hits I
came up with this:

http://www.rsnz.org/publish/nzjb/1970/23.pdf

an article which shows the aeciospore differences under the m'scope. (I
also had to Google the term aeciospore to understand what that means!)

I went down to the reserve to collect it at lunchtime but much of the
powdery aeciospore mass has been blown or washed away. I have a ancient
microscope which just about copes with fungal spores so will look tonight.
However, I have no way of measuring size but will try to compare with
'reference' spores of a known fungus. Otherwise the Notts recorder may be
able to oblige.

Richard


>From: Scotty Dodd <jaapiella@...>
>Reply-To: british_galls@...
>To: british_galls@...
>Subject: RE: [british_galls] My first fungi induced gall
>Date: Mon, 4 Jun 2007 22:46:10 +0100 (BST)
>
>Hello Richard and all
>
> In the event that you do not own a high powered microscope some members
>or organisations may be able to identify it for you. One suggestion would
>be the mycology dept at Kew.
>
> Good luck and I hope that you are able to work it out!
>
> Scotty
>
>Malcolm Storey <malcolm.storey@...> wrote:
> Hi Richard,
> P. mucronatum is far commoner, esp on R. canina, (P. tuberculatum is
>more
> often on cultivated spp) but you'd need to check details of the
>aeciospores
> under the microscope to be absolutely certain.
> HTH
> Malcolm Storey
>
> > -----Original Message-----
> > From: british_galls@...
> > [mailto:british_galls@...] On Behalf Of R R
> > Sent: 04 June 2007 19:58
> > To: british_galls@...
> > Subject: [british_galls] My first fungi induced gall
> >
> > Hello all,
> >
> > 'British Plant Galls' arrived today! Quite appropriate as this
>weekend I
> > found my first fungi induced gall on Rosa canina Dog Rose. My new
>book
> > tells me that the fungus is likely to be Phragmidium tuberculatum or
>P.
> > mucronatum, most Rosa rusts tending to be the former.
> >
> > Is anyone able to add any more to this please?
> >
> > http://uk.ph.groups.yahoo.com/group/british_galls/photos/view/f9aa?b=2
> >
> > Thanks
> >
> > Richard
> >
> > PS also found a second Quercus with a small cluster of Andricus
>curvator
> > galls.
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
>
>
>
>
>
>
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