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A sweet potato vendor waits to cross a street in Beijing. The bulbous, colourful sweet potato has long been seen as an artifact of mankind's first ocean voyages, ferried from its home in South America all the way to Polynesia centuries ago.(AFP)

Are sweet potatoes older than mankind? New research shows plant originated 8,00,000 years ago

By HT Correspondent | Agence France-Presse
UPDATED ON APR 13, 2018 11:46 AM IST
A new study uses extensive genetic analysis to suggest that the sweet potato was widespread on Earth long before humans came into the picture.
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