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Grapevine Genomics Hold Key to Climate-Tolerant Wine Grapes

11/11/16 9:01 AM

Whether you prefer red or white, extreme weather across the world is putting our favorite bottle at risk. With global wine production forecasted to drop 5% this year, experts at the University of California, Davis have come up with a way to acclimate the world’s most popular red wine grape to the ever-changing environmental conditions.

The first genome sequence of cabernet sauvignon was first complete in 2007 to simplify the genome assembly procedure, lacking historic and economic details about the wine grape. The new process will not only allow researchers to identify genetic markers necessary for combining important traits, but it will also answer questions about the ancestry of the cabernet sauvignon grape thought to date back to the 17th century.

Cabernet sauvignon can be found growing on every continent except Antarctica, but little is known about the grape other than that it is a cross between cabernet franc and sauvignon blanc. Researchers say since the grape vines have been propagated rather than grown from seed, meaning that most all of the cabernet sauvignon vines are identical.

After 400 years, researchers are hoping to create new varieties of the red wine grape with a process that provides rapid access to genetic information from both its parents to use in breeding new vines.

“The new genomic information that will be generated with this new genomics approach will accelerate the development of new disease-resistant wine grape varieties that produce high-quality, flavorful grapes and are better suited to environmental changes,” says Dario Cantu, a plant geneticist specializing in plant and microbial genomics in the UC Davis Department of Viticulture and Enology.

To help ensure the quality of wine from vineyard to table, MadgeTech offers data loggers to monitor strict temperature and humidity guidelines throughout productions steps, shipping and storage. To view the collection of data loggers specifically for wine processors, click here.

For a visual breakdown on the differences between wine varieties, check out the infographic below.


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MadgeTech Marketing Team