Bye, bye, green ash; it’s only a matter of time. The stately ash and its related tree species, black, white and blue ash are presently being wiped out in Ontario and the eastern states. The ...

Currently several cities are being obliged to cut down large Elm trees, many over 100 years old, victims of a fungus - Dutch Elm Disease - borne by the Elm bark beetle Emerald Ash borer beetle ...

An invasive beetle that destroys ash trees has been confirmed in five areas of Vancouver. After the emerald ash borer was first detected this spring, federal officials conducted surveillance and ...

Ash trees in the UK are rapidly evolving resistance in response to ash dieback disease, DNA sequencing of hundreds of trees has shown. The finding is good news, says Richard Buggs at the Royal ...

"Emerald ash borer is a very destructive, invasive forest pest," said Kerienne La France, supervisor of urban forestry technical services with the city. "All of our ash trees are at risk." At ...

More than 271 million ash trees in Tennessee are at risk of being destroyed by emerald ash borers, an insect that arrived in Middle Tennessee in 2014, according to Nashville's Cheekwood Estate and ...

Ash dieback originated in eastern Asia but spread to Europe about 30 years ago. Asian ash trees have developed good resistance to the disease, but European specimens have no natural defence.

Every now and then a tree problem suddenly emerges that result in dozens of calls and e-mails. The tree in question is Mancana ash - a variety of Manchurian ash. I wrote about problems with this ...

Join the conversation Ash tree infected with cottony ash psyllid, on a Saskatoon street. (photo by Jill Thomson) (for Saskatoon StarPhoenix Bridges gardening column, April 12, 2019) Saskatoon ...

Destructive cycle Emerald ash borer adults emerge from trees in spring. After mating, the females each lay about 50 eggs in the bark crevices of ash trees. The eggs hatch and larvae mine just under ...

Ash trees in the UK are rapidly evolving resistance in response to ash dieback disease, DNA sequencing of hundreds of trees has shown. The finding is good news, says Richard Buggs at the Royal ...