The Napa Valley Grapegrowers Wine and Grape Expo will be held on Nov. 14.

Seminars conducted in Spanish will cover advances in technology and a tasting and discussion about what makes a vintage.

Seminars in English will include tastings of wines made from vineyards that are resistant to Pierce's disease, a discussion of aroma in wine and mastering balance and vineyard expression through lower alcohol wines.

The event will take place from 8 a.m. to 3 p.m. at the Napa Expo Fairgrounds, 575 Third Street, Napa.

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