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| 1 | 2 |  » Stats |
Members: 50,142
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Top Poster: glsammy (15,069)
| | Welcome to our newest member, Posbyonechop | |  | 
11-10-2009, 05:09 PM
|  | Commander of the Wild Empire | | Join Date: Aug 2008 Location: Saddleworth
Posts: 4,134
| |  alder leaf rust?
Firstly, apologies Chris, couldnt find fungal plant parasites, so new thread for this.
Secondly, is it a fungus!?
On fairly old damp on the ground Alder leaf yesterday, looks a bit like a rust, maybe Phragmidium spp?
Then again, thats just a wild card from me............   
Cheers
Ken
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Sensible Mole, said Ratty, perceiving Old Burton Beer..... |
11-10-2009, 05:14 PM
|  | Commander of the Wild Empire | | Join Date: Oct 2008 Location: Huddersfield, West Yorkshire
Posts: 3,648
| | | Re: alder leaf rust?
hi Ken
is that an alder leaf? - certainly not the native Alnus glutinosa - it's not a fungus, it's an eriophyid mite gall (an 'erineum'); knowing the exact host would be useful: might it be grey alder Alnus incana?; if it is an Alnus the most likely gall causer would be Acalitus brevitarsus - though the main book on galls does not comment about galls on hosts other than the native alder "due to lack of knowledge"
the plant parasites thread is on page 2 - though I'm about to post something on it soon, so it will move 
cheers
Chris
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"You must know it's right - The spore is on the wind tonight"
--Steely Dan, "Rose Darling"
Last edited by Chris Yeates; 11-10-2009 at 05:20 PM.
|
11-10-2009, 05:19 PM
| | Commander of the Wild Empire | | Join Date: Aug 2008 Location: Saddleworth
Posts: 4,134
| | | Re: alder leaf rust?
quite right Chris - incana I think, possibly cordata - I thought it might not be a fungus, but ..................mites again eh? 
Cheers
Ken
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Sensible Mole, said Ratty, perceiving Old Burton Beer..... |
11-10-2009, 05:22 PM
| | Commander of the Wild Empire | | Join Date: Oct 2008 Location: Huddersfield, West Yorkshire
Posts: 3,648
| | | Re: alder leaf rust?
Quote:
Originally Posted by diggleken  quite right Chris - incana I think, possibly cordata - I thought it might not be a fungus, but ..................mites again eh?
Cheers
Ken | this has encouraged me to post on an interesting situation which appears to be happening with rusts on Alnus - so thanks for reminding me Ken
cheers
Chris
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"You must know it's right - The spore is on the wind tonight"
--Steely Dan, "Rose Darling" |
11-10-2009, 05:23 PM
| | Commander of the Wild Empire | | Join Date: Aug 2008 Location: Saddleworth
Posts: 4,134
| | | Re: alder leaf rust?
My pleasure...........even though I didnt know! 
Cheers
Ken
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