The Canadian-led study lets scientists see what genetic diversity is possible for the potato as they look to protect its future
is the world’s third-most consumed food crop after rice and wheat – and the one with the lowest carbon footprint.
A cultivar is a plant variety that is generated by selectively breeding plants with favourable traits. In addition to several domestic varieties, it identifies genetic variations that occur in related species, which can be crossed with the potato to produce hybrid offspring. The point of all the number crunching is twofold, Dr. Strömvik said. On one hand, the result can help scientists trace the evolutionary history of the potato and its subsequent development since it was domesticated byin the Andes mountains of southern Peru some 10,000 years ago. On the other, it reveals specific genes that could be used to improve current versions of the potato plant and make them more resilient to extreme weather events linked to climate change.
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