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Pepper mild mottle virus (PMMoV) is a plant pathogenic virus that occurs worldwide on species of field grown bell, hot and ornamental pepper species. It is caused by members of the plant virus genus Tobamovirus—otherwise known as the tobacco mosaic virus family. Tobamovirus are viruses that contain positive sense RNA genomes that infect ...
Pepper mottle was first recognized as a new strain of PVY infecting peppers in Arizona in 1969. [4] In the early 1970s an "atypical" PVY isolate was also found in a survey of pepper fields in central Florida. [5] Up until then, the two most important potyviruses infecting peppers in the US were Tobacco etch virus (TEV) and Potato virus Y (PVY).
Diabetic retinopathy (also known as diabetic eye disease) is a medical condition in which damage occurs to the retina due to diabetes.It is a leading cause of blindness in developed countries and one of the lead causes of sight loss in the world, even though there are many new therapies and improved treatments for helping people live with diabetes.
Treatment is based on the cause of the retinopathy and may include laser therapy to the retina. Laser photocoagulation therapy has been the standard treatment for many types of retinopathy. Evidence shows that laser therapy is generally safe and improves visual symptoms in sickle cell and diabetic retinopathy.
From ticks to spiders to bed bugs, here’s what the most common bug bites look like in photos, the symptoms to know, and whether or not they can be dangerous. These Pictures Will Help You ID the ...
The causes of macular edema are numerous and different causes may be inter-related. It is commonly associated with diabetes.Chronic or uncontrolled diabetes type 2 can affect peripheral blood vessels including those of the retina which may leak fluid, blood and occasionally fats into the retina causing it to swell.
Viral diseases; Alfalfa mosaic genus Alfamovirus, Alfalfa mosaic virus (AMV): Andean potato mottle genus Comovirus, Andean potato mottle virus-pepper strain (APMoV) : Beet curly top
Roth's spots, also known as Litten spots or the Litten sign, [1] are non-specific red lesions with white or pale centres, seen on the retina of the eye and although traditionally associated with infective endocarditis, can occur in a number of other conditions including hypertension, diabetes, collagen vascular disease, extreme hypoxia, leukemia and HIV.