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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. [ 1 ] White rust has been known to cause agricultural losses in fields cultivating members of this family including broccoli , cauliflower , and Indian ...
Albugo candida, commonly known as white rust or white blister rust, is an obligate plant pathogen in the family Albuginaceae that infects Brassicaceae species. [2] Although called a "rust" and a fungus, it is an oomycete .)
Long-term white rust persistence in fields is not an issue with all crops or in all states; however, non-susceptible crop rotation in infected fields for at least three years is widely recommended to limit establishment and wider dispersal of this pathogen from plant debris, soil, and perennial root material.
Albugo occidentalis, the causal agent of spinach white rust, is an oomycete plant pathogen, although some discussions still treat it as a fungal organism. Albugo occidentalis is one of the most important spinach diseases in North America, found throughout the United States east of the rocky mountains.
Some rust species form perennial systemic infections that may cause plant deformities such as growth retardation, witch's broom, stem canker, galls, or hypertrophy of affected plant parts. Rusts get their name because they are most commonly observed as deposits of powdery rust -coloured or brown spores on plant surfaces.
Bean rust is a disease of the green bean that causes rust-colored pustules on the leaves. These pustules eventually rupture and eject thousands of spores into the air to be carried to other plants. [64] Each individual spore can produce a fresh pustule on a plant within a week; therefore untreated rust can rapidly reach epidemic levels. [64]
White rust may refer to: Albugo candida, a type of plant pathogen known as "white rust" Albugo occidentalis, white rust of spinach; Wilsoniana bliti, a type of plant pathogen known as "white rust" Wet storage stain, a type of corrosion on zinc products; Puccinia horiana, causative agent of Chrysanthemum white rust, a plant disease
Chrysanthemum white rust (CWR) was first identified in Japan in 1895. [2] The fungus Puccinia horiana was first described and published by German mycologist Paul Christoph Hennings (1841–1908), when found on the leaves of Chrysanthemum sinense in Honshu, Japan. [3] It is now established throughout Asia, Europe, Australia, and South America. [4]