title: Soil-borne viruses occurring in nursery soils and infecting some ornamental species of rosaceae.
mesh_terms: D004739:England; D005779:Immunodiffusion; D009348:Nematoda / Q000382:microbiology; D010942:Plant Viruses / Q000276:immunology / Q000302:isolation & purification*; D012988:Soil Microbiology