By 1989, more than 75 percent had been lost to the disease, which is spread by the elm bark beetle. But not this tree ... and her first thought was to give the tree another treatment. "I was amazed it ...

often recovering within a year of treatment. The best prevention is no pruning between mid-April and mid-October when the beetles are more active. If pruning is unavoidable, such as when trimming ...

Dutch elm disease is better understood; it is a fungus carried from elm to elm by small bark beetles. They slip through the meshes of the strictest quarantine. Spraying will kill them, and the ...

The elm stands alone in Glen Affric, south of Inverness, and its location is credited with protecting it from the beetle that spreads the disease. Recently named Scotland's tree of the year ...