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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. It may occur as a single event or subsequent ...
Uromyces viciae-fabae var. viciae-fabae is a plant pathogen commonly known as faba-bean rust. The rust is distinguished by the typical rust-like marks on the stem and leaves, causing defoliation and loss of photosynthetic surface along with reduction in yield. The disease is fungal and is autoecious meaning it has one plant
Abby Deneau points out a large patch of invasive knotweed on Tuesday, Aug. 2, 2022, at Grand Woods Park in Lansing. Michigan's invasive species watchlist includes information on several bugs ...
In some large acreage crops, fungicides are applied by air. The process is expensive and fungicide application is best reserved for seasons when foliar diseases are severe. Research indicates, the higher the foliar disease severity, the greater the return from the use of fungicides. [25] Southern corn rust disease, can be confused with common rust.
Cronartium ribicola is a species of rust fungus in the family Cronartiaceae that causes the disease white pine blister rust. Other names include: Rouille vésiculeuse du pin blanc (French), white pine Blasenrost (German), moho ampolla del pino blanco (Spanish).
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Uromycladium is a genus of rust fungi in the family Pileolariaceae.It was circumscribed by mycologist Daniel McAlpine in 1905. [1] The genus was established by McAlpine for rusts on Acacia (Fabaceae, subfamily Mimosoideae) with teliospores that clustered at the top of a pedicel.
The first report of the disease in the Great Lakes region of the United States was in Wisconsin in 2002, and in 2012 it was discovered in the upper peninsula of Michigan. [9] [10] It is also found in most provinces in Canada. [1] [2] Spruce shoots with characteristic Weir's cushion rust needle symptoms (Photo by Glen R. Stanosz, Professor of ...