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 ...

The century-old elm tree at the iconic Tavern on the Green restaurant will be removed after the Parks Department determined ...

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

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 ...

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

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, ...

including the infamous Dutch elm disease which has devastated elm populations. Moreover, the act of pruning trees is not ...

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.