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... Researchers have been trying to breed fungus-resistant ...
And now a checkup of sorts on the American chestnut, a tree that was a big part of forests in the eastern United States until 1904, when a fungus from Asia started killing them. Since the 1920s, ...
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. And now a checkup of ...
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