
Saving the American chestnut tree
Clip: Season 4 Episode 5 | 5m 57sVideo has Closed Captions
Professor William Powell developed a blight-resistant American chestnut tree.
The American chestnut tree was once a staple of U.S. landscapes, numbering over a billion. But by the 1950s, a fungus eliminated many of the species. Now, after 35 years of research, Professor William Powell has developed a blight-resistant American chestnut tree to restore the population.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
SciTech Now is a local public television program presented by WLIW PBS

Saving the American chestnut tree
Clip: Season 4 Episode 5 | 5m 57sVideo has Closed Captions
The American chestnut tree was once a staple of U.S. landscapes, numbering over a billion. But by the 1950s, a fungus eliminated many of the species. Now, after 35 years of research, Professor William Powell has developed a blight-resistant American chestnut tree to restore the population.
Problems playing video? | Closed Captioning Feedback
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