Browse resources Displaying 1 - 1 of 1 resources Photo by Patty Skinkis. (Cropped from original) How to protect vineyards from grapevine red blotch disease (GRBD) Learn more about what Grapevine Red Blotch Disease is, how to prevent it, and how to test grapevines for the disease. Patricia A. Skinkis, Justin Litwin | Mar 2019 | Article Peer reviewed (Gray level)