Forest Service's laboratory in Delaware, Ohio, this project is working to establish DED-tolerant trees in the wild where their resistance characteristics will evolve to combat an ever-mutating Dutch elm disease
Dutch elm disease
is native to Asia but was accidentally introduced to Europe in 1910.
A worst case scenario would be one or more of our beautiful oaks proving so susceptible that a plague comparable to Dutch elm disease
or chestnut blight would sweep major ecosystems, even continent-wide.
That tree is descended from and replaced the John Quincy Adams [American] Elm, which was planted during the administration of the sixth president but succumbed to Dutch elm disease
Since the epidemic in the 1970s, Dutch Elm Disease
has killed 60 million trees in the UK - but between 25,000 and 30,000 remain in Brighton.
Because elm trees are rare and increasingly become susceptible to Dutch elm disease
as they reach sexual maturity, the lack of a pollen donor isn't too surprising," she wrote.
Seeking services to fell, limb, and buck as needed, dutch elm disease
(DED) trees from specified provincial parks and recreation sites.
Too bad Dutch elm disease
, caused by a fungus that blocks water circulation within the trunk, ravaged these trees in parts of Europe and North America during the last century.
Chalara ash dieback, which could kill millions of ash trees, was first identified in the UK in 2012 and experts fear it could have the same devastating impact on the country's woodlands and landscape as Dutch elm disease
in the 1970s.
Then Dutch elm disease
devastated Britain in the 1970s and almost every tree on my parents' estate was lost.
Teacher Mr Stephen Broadberry said the shortage of trees in Greenhead Park - a result of Dutch elm disease
- had inspired the project.
1975: Dutch elm disease
, which has so far attacked three million trees in Britain, is spreading, according to Forestry Commission officials.