In the early 20th century, a blight fungus wiped out most of the 4 billion American chestnut trees on the eastern seaboard.

By the mid-20th century, approximately 99% of American Chestnut trees had succumbed to the ... are cross-breeding American Chestnuts with blight-resistant Chinese Chestnuts, aiming to produce ...

For more than 40 years, the American Chestnut Foundation has led efforts to bring back a tree with blight and phytophthora resistance. But for an effective restoration, the trees need diverse ...

Once a hallmark of forests from Georgia to New England, American chestnuts now exist mostly as a vast network of root systems ...

Still, American chestnut trees are better suited for timber ... Fitzsimmons said breeders have learned just how difficult that is—blight resistance involves several different genes and it ...

Still, American chestnut trees are better-suited for timber ... Fitzsimmons said breeders have learned just how difficult that is — blight resistance involves several different genes, and ...

Still, American chestnut trees are better suited for timber ... Fitzsimmons said breeders have learned just how difficult that is — blight resistance involves several different genes and ...

Still, American chestnut trees are better suited for timber ... Fitzsimmons said breeders have learned just how difficult that is — blight resistance involves several different genes and ...