Genetic Discovery Could Break Wine Industry Bottleneck, Accelerate Grapevine Breeding

By unraveling an unexpected twist in grapevine DNA, German researchers have shown that a long-established tool for distinguishing among Old World, New World, and hybrid varieties is unreliable. Classification matters because 19th-century hybrids that helped save the European wine industry from American pests also left a legacy of "foxy" tasting wine. This biomolecular detective work opens the way for accurate classification, accelerated breeding, and potentially the production of European-tasting wines from American species and cultivars.

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