But now researchers have found it in the sweet potato, a food crop. This plant was domesticated in South America over 8,000 years ago, and its use spread globally.

Now, researchers have developed their own ‘hot potato’ that fares better under climate change: in fact these tubers grow up to 30% larger than normal, during heatwave conditions.

Potato acreage is down by about 9% in Washington and unchanged from year-earlier totals in Idaho, Oregon and California, ...

The EU's crop monitoring service this week cut its monthly potato yield forecast by 2.5%, though its revised outlook matched the average of the past five years. France may be hit hard.