At the Kingman Research Farm just outside of the University of New Hampshire campus, there’s an orchard of chestnut trees, growing under the watchful eyes of researchers. The American chestnut was a ...

The chestnut gall wasp, Dryocosmus kuriphilus, represents a significant threat to chestnut production worldwide due to its capacity to induce extensive gall formation that compromises tree health and ...

American chestnut trees once towered over the landscape, dominating forests in parts of the eastern United States. But in the late 1800s, a fungal blight virtually wiped them out across the country.

“It looks like the Natural Land Institute’s Legacy Tree Program has found yet another Illinois state champion tree: a rare American chestnut (Castanea dentata) in Freeport,” said Alan Branhagen, ...

Sara Fitzsimmons fights to resurrect a tree that once ruled the eastern U.S. forests. Billions of American chestnut trees once shaped life in Appalachia, but a foreign fungus erased them in a matter ...

In the early 20th century, a blight fungus wiped out most of the 4 billion American chestnut trees on the eastern seaboard. The loss was... Blight destroyed the American chestnut tree. Can scientists ...

WASHINGTON (AP) — In a quiet stretch of western Massachusetts stands a sycamore so old it was around when the Constitution was signed. It’s awe-inspiring, with branches bigger than the entire trunks ...