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Dieback in Landscape Trees

The stress of hot, dry conditions in midsummer can prompt leaf scorch in many landscape trees. However, extensive canopy dieback or tree collapse, particularly on one side of a tree, may indicate Verticillium wilt disease. Numerous cases of this vascular wilt disease have been confirmed by the UK Plant Disease Diagnostic Laboratory (UK-PDDL) in recent weeks. 

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Monday, August 19, 2019