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How Peru’s potato museum could stave off world food crisis

th a climate changing faster than most crops can adapt and food security under threat around the world, scientists have found hope in a living museum dedicated to a staple eaten by millions daily: the humble potato.

High in the Peruvian Andes, agronomists are looking to the ancestral knowledge of farmers to identify genetic strains which could help the tubers survive increasingly frequent and intense droughts, floods and frosts.

The Potato Park in Cusco is a 90 sq km (35 sq mile) expanse ranging from 3,400 to 4,900 metres (16,000 feet) above sea level. It has “maintained one of the highest diversities of native potatoes in the world, in a constant process of evolution,” says Alejandro Argumedo, the founder of Asociación Andes, an NGO which supports the park.

“By sowing potatoes at different altitudes and in different combinations, these potatoes create new genetic expressions which will be very important to respond to the challenges of climate change.”

Under a cobalt sky by an icy mountain lagoon, a father and his son-in-law hoe thick brown soil. They pull out reddish potatoes and throw them into waiting sacks.

The pucasawsiray potatoesthey gather are among the 1,367 varieties in the park, which lies in the Sacred Valley of the Incas. The intensely cultivated patchwork of tiny fields and graded terraces is a living laboratory of potato diversity.

Full article here

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