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What are hazelnut tree diseases?

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Answered 2008-08-17 15:05:02

Hi My Hazelnut Tree (5 years old) has within a week suddenly developed dry, curled up leaves. Approximately 90% of the leaves on the tree tree have been effected. I have pruned these branches, but wonder what I can do to treated the rest of the tree and also what has caused this to happen. Look forward to all your answers. Catherine

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