DNA

New genes control plant height, could lead to flood-proof crops

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www.sciencemag.org

Erik StokstadStature matters to plants. Short crops can carry more grain without bending under their own weight—a key trait that helped power the Green Revolution in the 1960s.

But tall plants are better at surviving long floods. Now, researchers have found two genes that together help control the height of rice plants: one that accelerates the elongation of the stem and another that acts as a brake.

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