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I have a Common Walnut (diameter 440mm at 1.5m above the ground) in my garden that dropped approx 50% of its leaves over the summer of 2019. This year (2020) the same tree leafed very weakly - approx 30% of normal leaf cover. Then in June/July it has gradually dropped all its leaves and partly grown nuts/fruit. Over recent years the tree has started to be crowded out by others (younger) trees from a neighbouring property. Should I ask for the neighbouring trees to be pruned? Also - this year (2020) in the same part of the garden another tree a Pissards Plum (diameter 400mm at 1.5m above ground) has leafed weakly and then in July also dropped most of its leaves. This tree is not crowded by other trees. I am concerned about the condition of the Walnut (it has no leaves) but I am now also concerned that the Pissards Plum is going the same way. Could it be the same problem (whether light, insect/pest, blight/dieback, etc) causing both trees to drop their leaves? Is there anything I could do to help the trees recover or investigate what is causing them to drop? Thank you for any help.
Hello all - A new poster to the ArbTalk forum here. I am generally speaking a forest manager, but have been asked to look at some Wild cherries in the garden of a neighbour as a favour. The leaves on said cherries have been "curling up and dying" - my first thought was bacterial canker but they had not seen any resin bleeding or oozing so had to rethink that one. There are some 9-10 trees in their garden infected, with a small Rowan close up underneath one of the said trees also showing some signs of an infection. Some pictures here: view of the whole tree: It seems so far from the reading I have done on this website and elsewhere it is not bacterial canker or any environmental factors, such as poor drainage or soil conditions. The only thing I can seem to find which matches is something called leaf spot - link to RHS site here The only advice for treatment of this condition seems to be to remove as much foliage as possible to reduce pathogen / inocculum levels and to possibly treat the tree with a copper fungicide to limit the spread. Does anybody have experiences with this or similar diseases, and can you advise on the effectiveness of above treatments? Any advice or differing diagnoses much welcomed. many thanks, Luke Edit - the links to pictures above appear to be broken - can anyone suggest where to post images to make it easy to share them online? Many thanks
Hi There I've just received an e-mail from a good client in the South Yorkshire area. Her large sycamore (mature) has just come into leaf and only on a few branches. She is very concerned as she loves the tree. Has anyone else come across this. The tree has been pruned last year but only a few branches <15cm diameter. A few trees have been removed within the near vaccinity so would increased wind exposure cause this? But other sycamores close have NOT been affected by late / little leafing. Any help would be great. Does anyone know of this happening with sycamores in the area or nationally? Kind Regards Rich