Tyler Arboretum has a bug problem, and it's wreaking havoc on the public garden's ash trees. The Media nonprofit said the emerald ash borer, an invasive beetle known for its distinctive green coloring ...

British trees are evolving resistance to deadly ash dieback, reveals new research. Natural selection in woodlands is acting to combat the fungal disease that has devastated ash trees across Europe, ...

The large ash tree in our backyard has clearly had problems for years. One large limb died a few years ago, and the crown has been ever-thinner each year. This fall, however, seemingly overnight, a ...

The emerald ash borer, a small green beetle native to Asia, has been damaging ash trees in the Kansas City area for over a decade. Dr. James E. Zablotny, USDA U.S. Department of Agriculture A tiny ...

ADAMS — Robert Blanchette is glad no one was in the parking lot when the tree came down. For a moment in Adams on Tuesday, the ground shook when an 80-foot ash tree fell atop a building at Hobby World ...

TOWN OF ERIN -- The thousands of ash trees killed by the emerald ash borer across southern and central Wisconsin have not only become an eyesore, the trees that are still standing have become ...

Rob Davis is a tree guy. As the Grand Junction City Forester, he knows trees. It’s been a busy summer for him and the crew of arborists and parks workers. Maybe a little busier than usual, thanks to a ...

Naturally occurring compounds in ash leaves could be linked to susceptibility of individual trees to the fungal disease ash dieback (ADB). But selecting trees with lower levels of these compounds and ...

Abiotic problems can be just as hazardous to plant life as disease and insect pests. Last week I wrote about the widespread concern over fungal rust in ash trees. This week’s popular question focuses ...