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Ash dieback: Insect threat to fungus-resistant trees
Ash trees which can resist the killer dieback fungus may be more vulnerable to attacks by insects, according to new research.
Scientists from the universities of Exeter and Warwick examined trees which are resistant to ash dieback and – unexpectedly – found they had very low levels of chemicals which defend against insects.
With efforts under way to protect ash trees from dieback, the scientists warn that selecting trees for fungal resistance could put them at risk from insects.