Necrovirus

Necrovirus is a genera of Tombusviridae. It is named after the type species, Tobacco necrosis virus A. Icosahedral structure, each face containing six identical capsid proteins, arranged in a rotationally symmetric manner. While necroviruses are spread by mechanical means, often relating to propagation, most, if not all, species have a common fungal vector, Olpidium brassicae