In Spain's La Rioja, old vines could future-proof wine against climate change - SABC News - Breaking news, special reports, world, business, sport coverage of all South African current events. Africa's news leader.

Technicians prepare vine samples for DNA extraction at the Vine and Wine Research Institute in Logrono, Spain, October 5, 2022.Technicians prepare vine samples for DNA extraction at the Vine and Wine Research Institute in Logrono, Spain, October 5, 2022.

Few research laboratories are as systematic in pursuing that goal as the one in La Rioja where Carbonell works, but its findings point to a future in which scientific investigation could become a key aspect of wine production. Much is at stake for Spain, the world’s third-largest wine producer after Italy and France and the leader in exports and vineyard surface area. Its industry is valued at over 5 billion euros .

In La Rioja, minimum temperatures rose by an average of 0.9 C, and top temperatures by 0.7 C, between 1950 and 2018, according to a study by geographer Raquel Aransay. The harvest moved forward by 2.4 days per decade and the alcohol content of wines increased 1.3 degrees per decade in 1992-2019, she said.

It is the only laboratory in Spain and one of a few worldwide conducting full molecular analysis of vines, said ICVV director Jose Miguel Martinez Zapater.

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