What is "white rust"

n. 1 A form of corrosion found on the surface of zinc 2 A disease of some plants caused by the pathogen (taxlink Albugo candida species noshow=1)

n. fungus causing a disease characterized by a white powdery mass of conidia

White rust may refer to:

• Albugo candida, a type of plant pathogen known as "white rust"
• Wet storage stain, a type of corrosion on zinc products
• Chrysanthemum white rust, a plant disease

White rust is a disease in plants caused by the oomycete Albugo candida or one of its close relatives. Plants susceptible to this disease generally include members of the Brassica family. White rust has been known to cause agricultural losses in fields cultivating members of this family including broccoli, cauliflower, and Indian mustard. Despite the name, it is not considered true rusts.