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 ...

An additional step, regeneration, is needed for embryo tissue culture. To enhance blight resistance in the American chestnut tree, we are studying several gene products, regulatory regions of genes to ...

Arborists and botanists have struggled to develop blight resistant chestnut trees for decades with little success. Until now. A genuine version of the American chestnut is at hand, but there is ...

As the Wall Street Journal recently reported, “The American chestnut became functionally extinct by the early 20th century.” Billions of them filled our forests, until a deadly blight from ...

Today, there are approximately 435 million American chestnut trees in the country and most are killed by blight long before they reach maturity. The American chestnut, today, is considered ...

[via Inhabitat] Between logging and the introduction of chestnut blight, the once prevalent American chestnut became increasingly uncommon throughout its traditional range in the Appalachians.

By 1929, a healthy American chestnut became a rare sight. While the species is functionally extinct, its roots usually ...