Dutch elm disease was introduced to the United States in the early 1920s. It quickly decimated our American elms, killing hundreds of thousands of trees. The disease first appeared in Kansas in 1957 ...

ST. PAUL -- Since 1999, the University of Minnesota has been cooperating with the Minneapolis Park and Recreation Board to evaluate and select elms for use in Minnesota. Many new Hybrid and American ...

Q: I understand there's been progress in developing Dutch elm disease-resistant American elms that are also relatively fast growing. Do you have any information and varieties you can recommend? - Dan ...

Dutch elm disease is the grim reaper of United States’ elm trees. Since the 1930s, it caused wilt and death for native elm species all over the country, spreading from tree to tree through root grafts ...

More than 70 years after Dutch elm disease began to wipe out 90 percent of the magnificent American elms that lined the streets of so many cities and towns, a handful of resistant varieties are ...

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 ...