Jul 24, 2017
It’s easy to confuse Downey and Powdery Mildew, so in this video, we go over Powdery Mildew in detail and recommendations to avoid and treat this specific pathogen in iceberg lettuce. Dr. Michael Matheron, a plant pathologist with the University of Arizona, gives his expertise on the subject. This material is based on work supported by the Arizona Iceberg Lettuce Research Council.