By Evan Dawson, Finger Lakes Editor Finger Lakes wine industry pioneer Bill Wagner has passed away at the age of 83. His family, which owns the business, has not released a cause of death. Wagner was part of a small group of industry leaders that insisted on planting and growing vinifera wine grapes in the 1970s. Wagner Vineyards has grown to have a strong portfolio of production, which includes several dozen bottlings of 20 varieties. "I had nothing but the highest regard for him," said Jim Trezise of the New York Wine and Grape Foundation. "He was a true pioneer,…