One approach is based on conventional plant breeding techniques and has been crossing blight and PRR-resistant Chinese chestnuts with the American type. PRR resistance has been found to be less ...
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 ...
The American Chestnut Foundation, among others, has been trying for decades to breed a hybrid that is mostly American in genetics but with the fungus-fighting traits of the Chinese type.
It’s been a very long time since vendors sold the American chestnut on city sidewalks. It’s no longer the variety whose smell some people associate with Christmastime as it wafts from street carts. Be ...