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 ...

Also known as white elm, soft elm, and water elm, American elm is a medium-sized tree with a distinct vase-like form that has long been esteemed for its elegance. Today, however, this species is ...

The concepts, techniques, and gene cassettes we develop for the American chestnut will have broad applications in managing diseases affecting other important tree species such as Dutch-elm disease and ...

PROFILE of the American elm tree, which will probably become extinct due to the Dutch elm disease. Among the tree's good qualities are that it is beautiful in line & form; it is adaptable ...

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 ...

American elms are elegant and beautiful native North American trees. Sadly, their numbers have been decimated by Dutch elm ...

Video | An elm tree in Brattlebrook Park is protected from Dutch Elm Disease by Elm Watch. PITTSFIELD — It's been a while since Priscilla Rafuse would play in Brattle Brook Park under the giant ...

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.

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 ...