Browse resources Displaying 1 - 3 of 3 resources Powdery Mildew Pest spots wheat. What does this fungus want with our crops? Mary Corp | Oct 2018 | Article Barley Yellow Dwarf Virus Virus mainly spread by aphids attacks wheat, barley and oats causing crop damage and yield loss. What is this disease? Mary Corp | Oct 2018 | Article 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)