No, Darling American chestnuts are not hybrids. Hybrid trees have a blended genome from two related species, such as American chestnut and Chinese chestnut. In contrast, Darling trees retain all of ...

Current varieties, referred to as 'Darling' chestnuts, shows enhanced tolerance to chestnut blight thanks to a common gene that we inserted into their genome. We hope to return these trees can be ...

While many trees in the southern range were killed by Phytophthora root rot (PRR), the chestnut blight leaves ... This allows them to more rapidly screen varieties for blight resistance to further ...

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

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