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 ...

While many trees in the southern range were killed by Phytophthora root rot (PRR), the chestnut blight leaves ... been crossing blight and PRR-resistant Chinese chestnuts with the American type.

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 ...

To a passerby, it probably looked like the volunteers wandering a soggy Murrysville meadow one morning this week were just ...

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 ...

Double also discussed the challenges posed by the chestnut blight that ... will be 50% American and 50% Chinese. Your plant those nuts, you grow them up into trees that are 5 to 6 years, and ...