Dutch elm disease (DED) is a devastating fungal disease caused by the pathogen Ophiostoma novo-ulmi, which has significantly impacted elm populations, particularly in North America and Europe.

If the fungus passes the roadblock, then the first signs of Dutch elm disease – yellowing leaves and defoliation – might begin. “The truth is, trees recover all the time because of their defenses,” ...

However, almost all mature American elm trees have been killed in the last 50 years by Dutch elm disease, which is caused by a fungus, Ophiostoma novo-ulmi, introduced from Asia. Elm bark beetles ...

Dutch elm disease has claimed the life of a 100-year-old elm tree in the Waikato, despite the tree being vaccinated. The fatal and fast-spreading disease is caused by a species of fungus and ...

As part of ongoing research work for almost 15 years, researchers are working to study trees that appear to be resistant to Dutch elm disease and propagate clones of the trees that will then be ...

Up to 50 elms are being felled in a wood near Brighton Up to 50 elm trees infected with Dutch elm disease are being felled. Brighton and Hove City Council said the work is necessary to prevent the ...

Aug 26, 2021 Aug 26, 2021 Updated Jun 6, 2022 For decades, the city's forestry workers battled Dutch elm disease with projects to spraying healthy trees and removing dead or diseased trees.