Can ancient DNA confirm continuity in grape cultivation techniques?

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Ancient DNA Confirms Continuity in Grape Cultivation Techniques

Ancient DNA analysis has confirmed the long-standing practice of specific grape cultivation techniques in France, dating back to at least the Iron Age. A 600-year-old grape seed found in a medieval French hospital's toilet has been identified as genetically identical to modern Pinot Noir grapes, indicating that this popular variety has been cultivated in France since at least the 15th century. This discovery provides a tangible link between contemporary viticulture and its historical roots.
Evidence of Clonal Propagation Over Millennia

The research involved sequencing the genomes of 54 grape seeds spanning from the Bronze Age to the Middle Ages. This comprehensive analysis confirmed that generations of winegrowers employed "clonal propagation" techniques, such as preserving cuttings of specific grape varieties. This practice has been maintained for at least 600 years, as evidenced by the medieval seed.
Early Origins of Viticulture in France

Further findings from the study indicate that clonal propagation techniques were in use across various regions as far back as the Iron Age, approximately 625-500 BC. Domesticated grapevines first appeared in France's southern Var region between 625 and 500 BC. This timeline aligns with the introduction of viticulture to France by colonizing Greeks, who established the city of Marseille.
Long-Distance Exchange and Genetic Mixing During Roman Era

DNA analysis of grape seeds from the ancient Roman period revealed extensive long-distance trade of domesticated grape varieties. These exchanges originated from regions including Spain, the Balkans, the Caucasus, and the Middle East. The study also highlighted significant genetic intermingling between domesticated grape varieties and local wild vines during the Roman period, particularly in northern France. Pinot Noir, a variety often linked to France's Burgundy region, is currently the fourth most widely cultivated grape globally.

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Can ancient DNA confirm continuity in grape cultivation techniques?

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