The American chestnut tree, which once numbered 4 billion but almost went extinct in the 1950s because of an invasion of Asian fungus, may be on its way to recovery through scientific advances and new ...

Q: What can you tell me about American and Chinese chestnut? A: American chestnut (genus Castanea, species dentate) is in the beech family. This tree was a plentiful species, providing 25 percent of ...

Emily Dobry, a master’s candidate in horticulture at Penn State Behrend, and Bryan Hed, a plant pathologist at the Lake Erie Regional Grape Research and Extension Center, stand Nov. 11, 2021, between ...