Identifying Common Dahlia Diseases Tips On Dahlia Disease Control
Common Dahlia Diseases Below you will find the most common diseases in dahlia plants: Powdery mildew – This fungal disease is easy to spot by a mealy, powdery growth that appears on leaves, usually late in the growing season. Although powdery mildew is rarely fatal, it can definitely affect the appearance of the plant. Botrytis blight – A fungal disease commonly known as gray mold, botrytis blight is initially evidenced by brown, water-soaked spots that enlarge and develop a fuzzy, gray or tan mold as the disease progresses....