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 ...

From left to right, the trees are a blight-susceptible wild-type American chestnut (C. dentata) called Ellis 1, a blight-resistant Chinese chestnut (C. mollissima) tree called 'Qing,' and two ...

Over the last 36 years, volunteers and TACF partners have been breeding blight-resistant Chinese chestnut trees with American chestnuts to create hybrids. So far, the program has resulted in around ...

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Scientists, at the time, concluded that the blight had come to the U.S. in the late 1800s from imports of Japanese chestnut trees used for food and ornamental purposes. Japanese and Chinese ...