Ancient maize followed two paths into the Southwest
Davis CA (SPX) Jan 11, 2015 - After it was first domesticated from the wild teosinte grass in southern Mexico, maize, or corn, took both a high road and a coastal low road as it moved into what is now the U.S. Southwest, reports an international research team that includes a UC Davis plant scientist and maize expert. The study, based on DNA analysis of corn cobs dating back over 4,000 years, provides the most comprehen ... more
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