Fred Scherrer of the Scherrer Winery discusses the impact of Botrytis cinerea, a common fungus that can ruin an entire vineyard in no time, but which also is a key to the creation of the sweet wines from Sauternes, the Loire Valley and elsewhere. This video foucses on the 2006 harvest in the Helfer Vineyard in the Russian River Valley, Sonoma, California. www.askawinemaker.com is a project of the folks at www.candidwines.com. For more on the Scherrer Winery, please visit www.scherrerwinery.co