By Finger Lakes Correspondent Jason Feulner One of the most heralded wineries in the Finger Lakes is entering its second phase of existence. Hermann J. Wiemer announced earlier this month that he has entered a business arrangement with winemaker Frederick T. Merwarth and that Merwarth will run Hermann J. Wiemer Vineyards and its winemaking, vineyard, and nursery operations. Wiemer will continue to contribute in an advisory role. Hermann Wiemer was not the first to grow vinifera in the Finger Lakes, but he was among the first. He is best known for bringing Old World winemaking sensibilities to the Finger Lakes.…