Beech leaf disease: A new problem for Ontario trees

Early-stage leaf striping (Photo by John Pogacnik, Ohio Department of Natural Resources)

Early-stage leaf striping (Photo by John Pogacnik, Ohio Department of Natural Resources)

Beech bark disease began ravaging beech trees in Ontario in the late 1990s, after spreading west from Atlantic Canada. But recently, a new beech disease has emerged in the province. Beech leaf disease was first detected in North America in 2012 in...

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