old wine domain on sauternes vineyards in barsac village affected by botrytis cinerea noble rot, making of sweet dessert sauternes

barsac botrytis cinerea brommes fargues french sweet wine graves great preignac sauternes semillon agriculture appelation bordeaux chateau classification cultivation dessert domain france fungus grape growth handpicked harvest house mature muscadelle noble rot old plant process raisin region row sauvignon blanc soils sweetness unique vineyard white winery vineyards village affected making views wines