The National Park Service is using IV-like needles to save the beloved trees lining the National Mall and surrounding parks in Washington, D.C., that are infected by Dutch elm disease. The fungal ...

The American elm trees, each about 2 years old and 4 to 6 feet tall, were cloned by University of Minnesota researchers to be resistant to Dutch elm disease, a fungal disease that killed millions ...

American elms have been the victim of a decimating disease known as DED or Dutch Elm Disease. However, there are a few that linger and remain, gracing our city streets with their majestic arching form ...

The Sacramento Tree Foundation is building an army of "citizen scientists" who are trained to spot Dutch elm disease, and they've created a special app where people can flag and monitor potential ...

If you suspect your elm may have Dutch elm disease, you can cut off a branch about 1 inch in diameter from an actively wilting section, peel back the bark and look for discoloration similar to ...

Trees also can spread it to nearby trees, through the root system. In Grand Forks, when a tree is determined to have Dutch elm disease, it is removed as soon as possible to prevent spread.