Browse resources Displaying 1 - 1 of 1 resources 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)