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Tree problem
Hi,
We have a large blossom tree in our back garden alongside a much smaller tree of the same species. In spring, the trees blossomed. But during the summer months, we have noticed an ever increasing patch of brown leaves which are very dry in the large tree, these leaves are brittle. In the smaller tree, there are no leaves at all. It does grow a new batch leaves from a end of a branch but these turn brown and dry out. Neither tree looks to be dead but both are clearly under some kind of distress. I can't imagine it is a water issue due to the weather. Once the leaves drop, we plan on pruning it right back and in the meantime I have been treating the small one with standard bug spray but doesn't seem have improved things much. Is it some kind of blight or other disease? Any advice appreciated.
. Thanks, Rob --
We have a large blossom tree in our back garden alongside a much smaller tree of the same species. In spring, the trees blossomed. But during the summer months, we have noticed an ever increasing patch of brown leaves which are very dry in the large tree, these leaves are brittle. In the smaller tree, there are no leaves at all. It does grow a new batch leaves from a end of a branch but these turn brown and dry out. Neither tree looks to be dead but both are clearly under some kind of distress. I can't imagine it is a water issue due to the weather. Once the leaves drop, we plan on pruning it right back and in the meantime I have been treating the small one with standard bug spray but doesn't seem have improved things much. Is it some kind of blight or other disease? Any advice appreciated.

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Have a look along the branches and trunk for signs of canker. That’s a common cause of die back in fruit trees. You’ll see sticky stuff exuding from the branch.