Before the blight, the American chestnut was the dominant tree in hardwood forests from Maine to Missouri and Mississippi. A mature tree in a favorable location in a well-watered upland valley of ...

Darling-58 sprouts, a transgenic American chestnut created by ESF researchers, grow in a nutrient solution. Darling 54, a ...

The American chestnut was killed off by the arrival of a blight in 1904 that within a few decades had virtually wiped out an entire, dominant species. In modern parlance the fungus, Cryphonectria ...

The USDA has begun a 45-day open comment period for its review of the Darling chestnut, making the final step in the process ...

A century ago, a blight almost eliminated the American Chestnut tree species, once one of the most prolific in the nation. Now, researchers believe they are close to saving the species.

Struck by a blight identified in 1904, American chestnut trees are considered "functionally extinct." Now those that remain are facing a new disease.

Then came the Asian chestnut blight in the early 20th century that killed over 3 billion American chestnuts basically causing the tree to become functionally extinct throughout its natural range.

In the early 20th century, a blight fungus wiped out most of the 4 billion American chestnut trees on the eastern seaboard. The loss was ecologically devastating. Short Wave host Emily Kwong dives ...

As molecular plant pathology research advances, more and more genes are being identified with a plant's ability to defend itself against disease (see Powell et al. 2006).In order to enhance ...

Small Stem Assay Method Instructions. American chestnut test for enhanced blight resistance. From left to right, the trees are a blight-susceptible wild-type American chestnut (C. dentata) called ...

The chestnut blight has hit the five American trees there. They and a couple of the center's hybrids also are showing signs of the newer disease, identified there in 2018 by Emily Dobry, ...