Fresno, CA -- Steady growth in sales of value-priced wines are a positive sign for Central Valley winegrape growers, who were encouraged last week to increase planted acreage with key grape varieties to meet projected demand for the next 20 years. lndustry experts brought the welcome message to the San Joaquin Valley Wine & Grape Industry Forum held Nov. 19 in Fresno, presented by the San Joaquin Valley Winegrowers Association (SJVWA).