Nepovirus

**Definition:** A genus of polyhedral plant viruses of the family COMOVIRIDAE causing ringspots and spotting on leaves or sometimes symptomless infection. Transmission occurs by seeds, soil nematodes, or experimentally by mechanical inoculation. Tobacco ringspot virus is the type species.

**Tree numbers:** - B04.715.700.500 - B04.820.578.688.2.500