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Wine Industry News for Oct 14, 2021

AN ECONOMIC ANALYSIS OF PREVENTATIVE PRACTICES FOR MANAGING TRUNK DISEASE IN TABLE GRAPE VINEYARDS MONDAY, APRIL 19, 2021.  BY KENDRA BAUMGARTNER, PHD, USDA, JOHNATHAN KAPLAN, PHD, CSU SACRAMENTO, & MAX NORTON, PHD, CSU SACRAMENTO. California is the nation’s leading grower and sole exporter of table grapes [California Department of Food and Agriculture, 2017], with over 99% of US commercial table grapes grown in California [California Table Grape Commission (CTGC), 2017]. In 2016, the state’s 85,166 bearing acres of commercial table grapes produced 939,294 metric tons of grapes, valued a...

Expert: Growers should prune carefully to avoid trunk diseases. Pruning used to happen early, as early as December decades ago, until it was discovered that early winter pruning meant wounds stayed susceptible for up to 3-4 weeks to infection by spores of the fungi that caused trunk diseases.  In California, those spores come out with rain and depending on climate cooperation that would typically happen right up into early April. “If winter/spring rains lasted several months, that’s a lot of potential rain to bring out those spores to infect wounds and spread them around. It’s pr...

The Vine Line Podcast The Vine Line podcast is an audio resource produced by the Lake County Winegrape Commission for grape growers and winemakers. It includes lectures and other technical presentations from across the California wine industry. See episode descriptions below. Track Listing “Certified Organic vs Certified Sustainable” California Certified Sustainable Winegrowing auditor, Emily Farrant, Two Leaves, LLC, Tony Britton, Marimar Estate Vineyards and Winery, and Ariel Russell, Auditor for Certified Organic and Certified Sustainable Winegrowing discuss the key differences between...