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Symptoms and controls for the following diseases which can be suffered by potatoes:
Black Dot (Colletotrichum coccodes)
Blackleg (Dickeya Dianthicola formerly Erwinia chrysanthemi)
Black Scurf/Stem Canker (Rhizoctonia solani)
Common Scab (Streptomyces scabies)
Gangrene (Phorna exigua var. foveata)
Powdery Scab (Spongospora subterranea)
Silver Scurf (Helminthosporium solani)
Skin Spot (Polyscytalum pustulans)
Spraing (Tobacco rattle virus (TRV) & Potato mop top virus (PMTV))
Virus Diseases (PVX(mild mosaic),PVY(severe mosaic),PLRV (potato leaf roll ))