Its hybrids are about 15/16ths American chestnut and 1/16th Chinese chestnut. Ken Darnell has overseen the planting and maintenance of about 3,700 hybrid chestnuts in the last eight years.

The chestnut blight is a fungus accidentally brought to North America on imported Asiatic trees in the late 1800s, and it’s devastated our wild American species, rendering it functionally extinct.

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 ...

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 ...

History of Darling American chestnut. Founding members of the New York Chapter of The American Chestnut Foundation approached Dr. William Powell and Dr. Charles Maynard of ESF in 1989, asking them ...

The chestnut blight is a fungus accidentally brought to North America on imported Asiatic trees in the late 1800s, and it’s devastated our wild American species, rendering it functionally extinct.

In 2021, he was in for a shock. “We were quite surprised to see that since 1977, the forest had changed dramatically,” Karban says. Most of the mature chestnut trees had vanished — the victim of ...

As chestnut season arrives, meet the farmers, scientists, and advocates fighting to bring back the American chestnut, a onetime culinary staple in the United States.

WASHINGTON—More than a century after blight decimated the American chestnut tree, the U.S. government is weighing whether to allow a genetically engineered version to spread in the wild.

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

American chestnut trees once covered the state of West Virginia, providing essential materials and feeding its residents, but in the early 20th century, they were nearly wiped from existence.