A Crop Reversion of an Invasion? (IMAGE)
Caption
Red rice (shown above) is a red-seeded weed that infests cultivated rice fields in the United States. Genetic studies had suggested the weed might be a reversion of a modern domesticated rice to a feral form, in part because the red grain was known to spontaneously appear in crop fields. Gross, Olsen and their colleagues have just published results in the online edition of Molecular Ecology that show red rice is not a reversion but instead an invasive rice that was never cultivated in the United States.
Credit
Kenneth M. Olsen
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