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The orange spots you can find on heads of lettuce kind of look like rust. But no need to fear—actual rust has nothing to do with this phenomenon. It's officially called russet spotting, and it's ...
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Rust fungi grow intracellularly, and make spore-producing fruiting bodies within or, more often, on the surfaces of affected plant parts. [3] 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.
Lettuce dieback [1] Lettuce necrotic stunt virus: Internal rib necrosis : Lettuce mosaic virus: Mosaic Lettuce mosaic virus. Bidens mosaic virus Cucumber mosaic virus Turnip mosaic virus. Necrotic yellows Lettuce necrotic yellows virus: Ring necrosis Presumed viral agent (not identified) Rusty brown discoloration Accentuated by lettuce mosaic ...
Puccinia is a genus of fungi.All species in this genus are obligate plant pathogens and are known as rusts. [1] The genus contains about 4000 species. [2]The genus name of Puccinia is in honour of Tommaso Puccini (died 1735), who was an Italian doctor and botanist who taught anatomy at Hospital of Santa Maria Nuova in Florence.
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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 ...
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