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Apple-cedar rust???


 
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dormouse
Rank attained: Rowan Tree
Rank attained: Rowan Tree


Joined: 05 Oct 2011
Posts: 140
Location: North Dublin

PostPosted: Sun Jan 29, 2012 8:58 pm    Post subject: Apple-cedar rust??? Reply with quote

Hi - I planted an Elstar apple tree in October. I just noticed today that some branches have small orange 'pimples' about the size of a match head. It struck me as strange. After a bit of research I came across apple-cedar rust. This is a totally amateur dignosis as this is the first tree I ever planted, and I'm hoping it is not this. I read that symtoms tend to manifest in spring/early summer on the leaves of trees so hopefully I'm wrong.
Any thoughts please? If it is, is there anything I can do or should I just get rid of it now?
Thanks a lot
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Greengage
Rank attained: Chlorophyll for blood


Joined: 09 Nov 2011
Posts: 2746
Location: Kildare

PostPosted: Mon Jan 30, 2012 5:19 pm    Post subject: Reply with quote

sounds like coral spot. Remove infected piece and monitor plant.
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dormouse
Rank attained: Rowan Tree
Rank attained: Rowan Tree


Joined: 05 Oct 2011
Posts: 140
Location: North Dublin

PostPosted: Mon Jan 30, 2012 8:59 pm    Post subject: Reply with quote

Thanks a lot Greengage, I think you hit the nail on the head. I read up on it and it fits perfectly.Thing is the infection is on the upper part of the main trunk rather than a side branch. Wish I had a photo, but all the side branches are below this single upright part of the trunk.
If I did manage to contain it by pruning do you think it would be pointles carrying on with this tree? It is about 6 foot high at the moment (m26) and the part I would need to prune out is about a foot and a half. Would it be forever stunted?
Thanks
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Greengage
Rank attained: Chlorophyll for blood


Joined: 09 Nov 2011
Posts: 2746
Location: Kildare

PostPosted: Tue Jan 31, 2012 5:15 pm    Post subject: Reply with quote

So long as you dont prune below the graft it may be ok but you will have to wait a while for it to develop. Pruning back will stimulate doemant buds to develop, these can be trained as espaliers very low, check out pics here. http://www.woodbridgefruittrees.com.au/woodbridgefruittrees/content/10-espaliers. dont mind the site its the pictures you need to look at. Get a sharp blade peel back the bark lower down if it is green underneath you have a chance if it is brown afraid its dead start again get a new plant from reliable supplier.
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dormouse
Rank attained: Rowan Tree
Rank attained: Rowan Tree


Joined: 05 Oct 2011
Posts: 140
Location: North Dublin

PostPosted: Tue Jan 31, 2012 8:47 pm    Post subject: Reply with quote

It's well above the graft union. Took another look at it today and the infected section is dead and everything below it is living wood and not infected (I scratched the bark). So out it comes and fingers crossed for the rest. The espalier is a nice idea. Thanks a lot for your help!
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