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 ...
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 ...
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