Wednesday, 3 December 2014

GMO trees could rescue American chestnut from invasive fungus

Science Focus

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The relationship between the US public and genetically modified organisms is a bit ambiguous. Efforts to label GMO foods were defeated in California, while some Hawaiian islands have banned the planting of GMO crops. But for most Americans, these issues remain pretty abstract.

That may change thanks to work taking place in upstate New York. There, scientists are planning the return of an American icon in a genetically modified form. And if all goes according to plan, ten thousand GMO chestnut trees could be ready to plant in as little as five years. People could find them in parks and playgrounds and even in their neighbors' yards.

The American chestnut was once a major feature of the Appalachian forests, with its range covering the entire East Coast. But it fell victim to an invasive species: a fungal blight has pretty much wiped out the species in its native range. A few nearly dead trees sporadically send out shoots, and some survivors outside its normal range are the only reasons we're still able to grow any American chestnuts.

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 » see original post http://feeds.arstechnica.com/~r/arstechnica/science/~3/GOGMeuR_rb8/
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