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Schamberg's disease, (also known as "progressive pigmentary dermatosis of Schamberg", [1] "purpura pigmentosa progressiva" (PPP), [1] and "Schamberg's purpura" [1]) is a chronic discoloration of the skin found in people of all ages, usually only affecting the feet, legs or thighs or a combination.
Rusty root usually presents as slightly raised rust-colored spots at the crown of the taproot which will then spread to cover part or all of the root. The symptoms are only present on the surface of the root however and the discolored spots can be scraped off to reveal healthy tissue beneath.
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.
The true armyworm moth has a wingspan of 1 1/2 inches and is grayish brown in color. How to get rid of armyworms in Kansas Cloyd said preventing armyworms is close to impossible.
The source of a large rust-colored slick of goo that fouled the Intracoastal Waterway just south of Florida Power & Light's heralded Manatee Lagoon remains unknown, according to the U.S. Coast Guard.
Most commonly Cephaleuros virescens is identified by the leaf spots it causes. Theses leaf spots are an orange-brown rust in color and usually occur entirely on the upper leaf surface, although leaf spots on the undersides of infected leaves have been reported. The spots are fuzzy in texture and approximately 2 cm (0.8 in) in diameter. [2]
Gymnosporangium juniperi-virginianae is a plant pathogen that causes cedar-apple rust. [1] In virtually any location where apples or crabapples ( Malus ) and eastern red cedar ( Juniperus virginiana ) coexist, cedar apple rust can be a destructive or disfiguring disease on both the apples and cedars.
Leaf spots can vary in size, shape, and color depending on the age and type of the cause or pathogen. Plants, shrubs and trees are weakened by the spots on the leaves as they reduce available foliar space for photosynthesis. Other forms of leaf spot diseases include leaf rust, downy mildew and blights. [4]