New genetic approaches raise hopes for restoring the American chestnut to its former glory
The American chestnut tree was a dominant and iconic species in many Appalachian forests until it was devastated by an introduced fungus from Asia called chestnut blight. A majestic forest tree, an American chestnut was typically 50 to 100 feet (15 to 30 meters) in height, but could grow as tall as 150 feet (45 meters) over its several-hundred-year lifespan. Its leafy canopy provided shade and beauty from Maine to Mississippi. The chestnuts it produced had helped to nourish wildlife, Indigenous peoples and European settlers alike. Its rot-resistant wood was also prized for ...