The American chestnut tree, nearly wiped out by a blight that started more than 100 years ago, is beginning to make a comeback thanks to its Chinese cousin.

The initial crossbreed between an American and Chinese chestnut is dubbed F1, Kell said. That tree, which is half American and half Chinese chestnut, is then put through a process called backcrossing.

The New York Restoration Project has launched an effort to plant 1,000 thriving American chestnut trees that are a hybrid with the blight-resistant Chinese chestnut tree in the five boroughs.

Other chestnut enthusiasts have instead hung their hopes on a transgenic tree known as Darling 58, developed by a team of scientists at the State University of New York College of Environmental ...

A Chinese chestnut tree in the fall. Efforts are underway to bring back "the redwood of the East" Last week I had a chance to talk with Sara Fitzsimmon, media liaison for The American Chestnut ...

The American chestnut tree was nearly wiped out by disease. ... The plant breeders had crossed the Chinese chestnut and the American chestnut, 1/16: 15/16 respectively, ...

We visit an orchard where researchers are breeding Chestnut trees they hope will one day fight off a fungus that's been killing the iconic American tree for more than a century.

The initial crossbreed between an American and Chinese chestnut is dubbed F1, Kell said. That tree, which is half American and half Chinese chestnut, is then put through a process called backcrossing.