Top diseases in roses - Powdery Mildew
February 17, 2023
mildew (Erysiphe, Podosphaera, Oïdium, Leveillula) are all biotrophic fungi, meaning they feed on living plant cells and barely survive in the absence of a living [...] fluffy fungal growth so typical of powdery mildew. Conidia are the main means of dispersal. They are dispersed by wind, as are the ascospores. In general