Panicum mosaic virus

Panicum mosaic virus
Virus classification
Group:	Group IV ((+)ssRNA)
Family:	Tombusviridae
Genus:	Panicovirus
Species:	Panicum mosaic virus

Panicum mosaic virus (PMV) is a positive-sense single-stranded RNA viral pathogen that infects plant species in the Panicoid tribe of the grass family Poaceae. The pathogen was first identified in Kansas in 1953 and most commonly causes disease on select cultivars of turf grass, switchgrass, and millet. The disease most commonly associated with the panicum mosaic virus pathogen is St. Augustine Decline Syndrome, which infects species of turf grass and causes chlorotic mottling. In addition to St. Augustine Decline, panicum mosaic virus is responsible for chlorotic streaking and mild green mosaicking in select cultivars of switchgrass and millet.

PMV was first observed in Kansas in 1953. It was originally noted to infect switchgrass (Panicum virgatum), and was observed infecting St. Augustine Grass (Stenotaphrum secundatum) in Texas in 1966. The strain specific to St. Augustine Grass has since been observed in Arkansas, Louisiana, Mississippi and South Carolina in the United States, as well as in Mexico. Other strains have been identified infecting centipedegrass (Eremochloa ophiuroides).Foxtail millet (Setaria italica), white proso millet (Panicum miliaceum) and pearl millet (Pennisetum glaucum) have also been used to propagate PMV and panicum mosaic satellite virus (SPMV), and mechanical transmission can occur to maize and some cultivars of common wheat (Triticum aestivum).

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Wikipedia