By Evan Dawson, Finger Lakes Editor The photo and the quote come courtesy of Amy Cheatle, tasting room manager at Damiani Wine Cellars on Seneca Lake. Like so many other vineyards, Damiani is battling mildew and trying to tamp down the water-inspired swell of disease pressure. "We need the sun," she says. Across the lake at Hermann J. Wiemer, Fred Merwarth goes further: "We need it to be dry and hot, and we need those conditions soon. We're looking at a serious challenge for this year already, and it's time for the weather to cooperate." If the Finger Lakes has…