When no signs of life were left, university officials took the “last resort” and decided to remove the dead tree on May 4.

An area on the outside of a tree trunk that appears to be stained white or looks wet during summer is likely bacterial ...

However, almost all mature American elm trees have been killed in the last 50 years by Dutch elm disease, which is caused by a fungus, Ophiostoma novo-ulmi, introduced from Asia. Elm bark beetles ...

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 ...

Orange spray paint signifies death for some stately elm trees on the University campus this summer. The cause is Dutch elm disease, an ailment with a notorious history in the Twin Cities. In 1977, ...

In August 2011, homeowner Marlene Nickolai watched her largest elm tree (with a 49-inch diameter) cut down because of Dutch elm disease. Less than one year later, she watched the other six elms in ...

A massive American elm tree that stood for generations on the lawn of the First Presbyterian Church 1793 in Washington took ...

Dutch Elm Disease (DED): A fungal disease caused by Ophiostoma novo-ulmi that affects elm trees, leading to wilting and death. Transcriptome: The complete set of RNA transcripts produced by the ...

Aug 26, 2021 Aug 26, 2021 Updated Jun 6, 2022 For decades, the city's forestry workers battled Dutch elm disease with projects to spraying healthy trees and removing dead or diseased trees.

Consultant arborist Ben Brooker says he believes more needs to be done to mitigate the disappearance of ash and elm trees. He's concerned that the need for additional planting, identified in ...

It is also known as slime flux. Wetwood is a common disease affecting the central core or bark of shade trees, such as elm. The stain is caused by slime generated from fermentation pressure in ...