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A mosaic virus is any virus that causes infected plant foliage to have a mottled appearance. Such viruses come from a variety of unrelated lineages and consequently there is no taxon that unites all mosaic viruses.
Rose mosaic virus on R. "Queen Elizabeth" Rose mosaic – This mosaic virus disease is caused by a complex of viruses and is characterized by yellow patterns on the leaves. The patterns vary considerably, ranging between all-over fine blotches to patterns of lines in waves.
More subtle patterning indicating rose mosaic virus. All cultivated species of the genus Prunus, which includes plums, cherries, apricots, almonds, and peaches, are susceptible to one or more strains of PNRSV. Hops and rose are also susceptible to infection by the virus.
This virus had been diagnosed in several ornamental plants since its discovery in 1999. These include moss rose (Portulaca grandiflora), phlox (Phlox stolonifera), skullcap (Scutellaria sp), firecracker plant (Crossandra infundibuliformis), angelonia (Angelonia angustifolia), Torenia sp, Helichrysum sp., and Salvia splendens.
A. Abaca bract mosaic virus; Abaca bunchy top virus; African cassava mosaic virus; Ageratum yellow vein virus; Agropyron mosaic virus; Albetovirus; Alfalfa mosaic virus
Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method of transcription. The virus exits the host cell by tubule-guided viral movement. Plants serve as the natural host. The virus is transmitted via a vector (insects). Transmission routes are vector and mechanical. [2]
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