white rust(redirected from wet storage stain)
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1. a disease of plants characterized by pustules of white spores that become yellow, caused by fungi of the genus Albugo.
2. any of these fungi.
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|Noun||1.||white rust - fungus causing a disease characterized by a white powdery mass of conidia|
fungus - an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia