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Hazelnut tree (Barcelona) –

Why are the leaves curling up? Not discolored. No obvious signs of pests or mold. The other compatible hazelnut tree is not curling like that. (I forget the name of the other tree’s variety)

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1 Comment To "Hazelnut tree (Barcelona) –"

#1 Comment By Downtoearthdigs On 06/25/2017 @ 10:36 pm

Curling leaves can indicate a pest or disease issue.
These articles will help you pinpoint the issue.

You may also want to check with your County Extension Office for issues specific to your region.

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