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 ...

On the St. Paul campus of the University of Minnesota, rows of tiny elm trees sprout in a test field run by University researchers. These elms are a series of new trees cloned by the University that ...

The Beauly elm has been laser-scanned to create digital images of the tree What is believed to be Europe's oldest elm tree has succumbed to Dutch Elm Disease and is dying, say experts. The wych ...

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 ...

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 ...

including the infamous Dutch elm disease which has devastated elm populations. Moreover, the act of pruning trees is not ...

Budget25: The hiring of two more employees in the forestry division will help city hall improve response times for service ...

The offensive against Dutch elm disease is paying off after the invasive fungus that kills elm trees was detected for the first time in Edmonton in August. The city expected to fight the disease ...

FLS forester Sam Brown said: “Having lived hidden away, many miles from the closest tree of the same species, the old elm of Glen Affric has escaped the ravages of Dutch Elm disease.