The disease starts at the heartwood of a tree and attacks outward. Dutch elm disease (DED) primarily affects American and European species of elm. DED is a major problem throughout the range of ...

One of the most destructive tree diseases is back in Denver ... for Dutch elm disease to run rampant because of the many American elm trees along the parkway. Infected trees can wilt and die ...

The 36 trees planted last week at Boutwells Landing senior living community in Oak Park Heights have a big job: To help revitalize the state’s elm population. The American elm trees, each about 2 ...

The leaf of an American elm tree. (Tamara Yakaboski ... In a natural native cycle, many of these insects rarely become problems as they are food for birds or predatory wasps.

For decades, the American elm population has dwindled, and one of its greatest threats is the deadly Dutch elm disease, which has taken its toll on Brown’s campus, too. The tree removal ...

Technicians Oscar Ruiz and Sebastian Dominguez pump fungicide into the roots of an American elm tree in the 3200 block of West Palmer Boulevard. “I can see why the city wouldn’t want to treat ...

The American elm features an open, spreading crown and drooping limbs that form a vase shape. American elm is a common tree in many riparian forest areas or moist soil forest areas. The species used ...

An American elm tree that predates the Civil War was cut down this week. The tree has stood on the grounds of the First Presbyterian Church 1793 since the first church building was constructed in 1851 ...