DNA sequencing shows young trees are more likely to have gene variants that confer partial resistance to a fungus that has ...

In the 1970s, tens of thousands of street trees succumbed to Dutch elm disease, which like the ash borer decimated urban forests as it traveled westward from the East Coast to the Great Lakes ...

A wasp native to Asia was released in CT to turn the tide against emerald ash borer, which kills ash trees. Researchers think it's working.

Twenty larvae are not a big deal. Two thousand larvae kill the tree,” Rutledge said. Since it was first detected in Michigan in 2002, emerald ash borer (EAB) has killed tens of millions of ash ...

Find out about common North American trees with pinnate leaves. Learn how to identify hickory, ash, walnut, black locust, and pecan using this guide.

In some parts of Nashville, Ash trees make up more than 10% of the tree canopy. Unless treated, Emerald Ash Borers will kill all Ash trees before the year 2026, according to the Nashville Tree ...