Browse resources Displaying 1 - 2 of 2 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) Credit: Patty Skinkis, © Oregon State University (Cropped from original) How to prevent Botrytis bunch rot in the vineyard Botrytis bunch rot is the most common fruit rot disease for wine grape vineyards in the Pacific Northwest. Here's how to prevent this disease from damaging your fruit. Patricia A. Skinkis | Sep 2018 | Article Peer reviewed (Gray level)