Grand Forks still loses more than 100 trees a year to Dutch elm disease, even as its threat has decreased in recent decades. Dutch elm was first found in Grand Forks in 1979 and reached its height in ...

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 ...

Saskatoon city hall is expecting a big increase in Dutch elm disease cases this year after a record 41 positive diagnoses last year and the removal of 62 trees.

Add Yahoo as a preferred source to see more of our stories on Google. U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm ...

Deep in Glen Affric stands an ancient witch elm once known as the “Last Ent,” a lone survivor of Dutch elm disease that wiped ...

It's been more than three decades since Dutch elm disease was first spotted in Grand Forks. That first victim was a small tree that grew where the Grand Forks water treatment plant now stands. Since ...

Some of the Bismarck-Mandan area streets are a bit less shady these days, thanks to that scourge of elm trees all over North America: Dutch elm disease. But hey, it could be a lot worse. Bismarck has ...

MINNEAPOLIS — Elm trees in the Twin Cities could be in for their worst year since 2004, when Minneapolis lost 10,000 to Dutch elm disease. So far this year, Minneapolis forestry workers have tagged ...

Recently, our diagnostic lab at Kansas State University reported a high volume of Dutch elm disease cases in Kansas. The disease has been present in the United States since the 1920s, when it began ...

The American elm (Ulmus americana) was once a common sight on the Upper Mississippi River, but Dutch elm disease, or DED, has killed many trees. DED is an invasive fungal pathogen that is spread by ...

RENO BOTTOMS - The elm tree that towered over Andy Meier was a survivor. At 37 inches around and about 150 years old, it had so far avoided Dutch elm disease, the fungus that wiped out many of its ...