Browse resources Displaying 1 - 1 of 1 resources Photo: Patty Skinkis (Cropped from original) How to Scout for Grapevine Trunk Disease in Vineyards (spur pruned) This video describes how to look for signs of grapevine trunk disease in winter in a cordon-trained, spur-pruned vineyard during winter. Patricia A. Skinkis | Aug 2019 | Video