Updated February, 2023. This factsheet contains information on the following: Symptoms Management Other Susceptible Plants Pathogen Sources Favorable Conditions Images Additional Information: Transmission of spinach downy mildew via seed and infested leaf debris.  (article published in Plant Disease in 2023; co-authored by M T McGrath). Spinach Downy Mildew: Advances in Our Understanding of the Disease Cycle and … Continue reading Spinach Downy Mildew