Its seeds, encased in large prickly burrs ... Today, there are approximately 435 million American chestnut trees in the country and most are killed by blight long before they reach maturity.

Several decades later, we are seeking government approval to begin distributing the first blight-tolerant transgenic American chestnut. These trees were produced by inserting a gene called oxalate ...

Now, scientists are using a combination of techniques to develop blight-resistant trees from this remaining population. The American Chestnut Foundation recognizes you can’t improve what you can ...

The American chestnut had none ... paper-thin leaves. Each tree dropped thousands of energy-rich seeds every year. In some places, the nuts would pile ankle-deep on the forest floor.

We are not patenting the blight resistant American chestnut trees so that once we have regulatory approval ... We will be able to distribute pollen from our trees, in addition to seeds, seedlings, and ...

UNITED STATES — 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 ...

Settlers also quickly realized the value of the hardy, rot-resistant trees to build furniture, telephone poles, homes, and other essentials of life, per the New York Times. The American chestnut ...