Alphanecrovirus is a genus of viruses, in the family Tombusviridae.

Plants serve as natural hosts.

[1][2] The genus contains the following species:[2] Viruses in Alphanecrovirus are non-enveloped, with icosahedral and spherical geometries, and T=3 symmetry.

The virus exits the host cell by tubule-guided viral movement.

Transmission routes are mechanical, seed borne, and contact.