title: Host passage effects with plant viruses.
mesh_terms: D009029:Mosaic Viruses / Q000235:genetics / Q000472:pathogenicity; D009154:Mutation; D010935:Plant Diseases; D010942:Plant Viruses / Q000235:genetics* / Q000472:pathogenicity; D010944:Plants / Q000382:microbiology*; D014027:Tobacco Mosaic Virus / Q000235:genetics / Q000472:pathogenicity