The possibility that the transgenic American chestnut trees may have higher levels of blight resistance than the Chinese chestnut control is supported by another experiment using trees with smaller ...

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 roots ... and PRR-resistant Chinese chestnuts with the American type.

Sunlight filtered through the overstory of a thick Pennsylvania forest and a few rays fell upon the long, serrated leaves of the American ... chestnut varieties there. Fitzsimmons said Chinese ...