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I have 2 and 1/2 year old cordon on it are 2 pears. This is a photo of leaves on one of them. Is this rust? What can rid it of it or is it going to be a permanent problem? Would the best thing be to dig it up befor tree gets any bigger, and infection spreads?? At th moment cannot see it on other pear and is not on the 3 apples also on the cordon.
Variety is 'Louise Bonne of Jersey'. The other one is Concorde
Sorry about smudgy photo. Hoping Santa will bring new camera for Christmas!
But before that want to add cherry 'Stella' to garden but not in same area.
I would say that is a mineral deficiency, could be wrong.A lack of Potash, Magnesium, Nitrogen. They should have an all round feed in your garden Centre with instructions for feeding, you could use up any tomato feed you have left and water it onto the roots, see what happens.The normal time for feeding would be January or February but you could give a good mulch of compost and manure though the tree will be resting in the winter months.Another year will lose you nothing so keep it and see what comes, they do not like thin soil so a mulch each year or twice a years does no harm.
Are there any growths on the lower side of the leaves like the picture below?
Yes. That is what my bad photo was supposed to ahow.
Then it is pear leaf rust gall. The liink below describes the RHS's advice on the matter. Hope this helps.http://apps.rhs.org.uk/advicesearch/profile.aspx?pid=236
Thanks. Followed the link and it helped