Index by common name of Potato Diseases, Pests and Disorders

Parasitic diseases

• Fungi

- Black dot (Colletotrichum coccodes)

- Early blight or Brown spots (Alternaria spp.)

- Fusarium dry rot or Wilt (Fusarium spp.)

- Gangrene (Phoma exigua var. exigua, Phoma exigua var. fofeata)

- Grey mould or Gray mold (Botrytis cinerea)

- Late blight (Phytophthora infestans)

- Leak rot or Watery wound rot (Pythium spp.)

- Pink rot (Phytophthora erythroseptica)

- Potato wart disease or Black wart (Synchytrium endobioticum)

- Powdery scab (Spongospora subterranea) 

- Silver scurf (Helminthosporium solani)

- Skin spot (Polyscytalium pustulans)

- Stalk break or White mould (Sclerotinia spp.)

- Stem canker or Black scurf (Rhizoctonia solani)

- Stem rot or Southern blight (Sclerotium rolfsii)

- Verticillium wilt (Verticillium spp.)

- Violet root rot (Rhizoctonia crocorum)

• Bacteria and phytoplasmas

- Bacterial wilt or Brown rot (Ralstonia solanacearum)

- Blackleg and Soft rot (Dickeya spp., Pectobacterium spp.)

- Common scab and Netted scab (Streptomyces spp.)

- Ring rot (Clavibacter michiganensis subsp. sepedonicus)

- Stolbur and other phytoplasmas (Candidatus Phytoplasma spp.)

- Zebra chip disease (Candidatus Liberibacter solanacearum)

• Viruses

- Alfafa mosaic virus (AMV)

- Cucumber mosaic virus (CMV)

- Pepino mosaic virus (PepMV)

- Potato aucuba mosaïc virus (PAMV)

- Potato leaf roll virus (PLRV)

- Potato mop-top virus (PMTV)

- Potato virus A (PVA)

- Potato virus M (PVM)

- Potato virus S (PVS)

- Potato virus X (PVX)

- Potato virus V (PVV)

- Potato virus Y (PVY)

- Necrosis Potato virus Y^NTN (PVY^NTN)

- Tomato black ring virus (TBRV)

- Tomato mosaic virus (ToMV)

- Tobacco necrosis virus (TNV)

- Tobacco rattle virus (TRV)

- Tomato spotted wilt virus (TSWV)

•  Viroids

- Potato spindle tuber viroid (PSTVd) 

•  Nematodes

- Free-living nematodes (Ditylenchus spp., Paratrichodorus spp., Pratylenchus spp., Trichodorus spp.)

- Potato cyst nematodes (Globodera spp.)

- Root-knot nematodes (Meloidogyne spp.)

Non-parasitic diseases

• Accidental disorders

- Coiled sprouts

- Frost or cold damage

- Haulm destruction treatment

- Hail damage

- Heat damage

- Herbicide phytotoxicity

- Internal black spot

- Internal sprouting

- Lightning damage

- Mechanical damage on tubers

- Phytotoxicity of mineral oil treatments

- Pressure bruising

- Rain damage to plants or newly-lifted tubers

- Seed tuber treatment

- Shatter bruises

- Skinning

- Sprouting disorders due to physiological age

- Sunburn damage

- Treatment against storage rot diseases

- Treatment with sprouting inhibitors (chlorprophame)

- Water damage

- Wind damage

•  External physiological disorders

- Enlarged lenticels

- Greening

- Secondary growth : deformed and glassy tubers

- Tuber cracks

•  Internal physiological disorders

- Black heart

- Brown heart and hollow heart

- Internal rust spot, internal brown spot

- Pink pigmentation of the flesh or of the skin

- White flesh and immature tubers

• Deficiency or phytotoxicity of mineral elements

 - Boron deficiency

- Calcium deficiency

- Iron deficiency

- Magnesium deficiency

- Manganese deficiency

- Nitrogen deficiency

- Phosphorus deficiency

- Salinity phytotoxicity

- Sulphur deficiency

Pests

• Insects

- Aphids (Acyrthosiphum pisum, Aphis spp., Aulacorthum solani, Brachycaudus helicrysi, Capitophorus eleagni, Cavariella aegopodii, Lipaphis erysimi, Macrosiphum euphorbiae, Myzus spp., Phorodon humuli, Rhopalosiphoninus latysiphon, Rhopalosiphum spp., Shizaphis graminum, Sitobion avenae)

- Chafer grub (Melolontha melolontha)

- Colorado potato beetle (Leptinotarsa decemlineata)

- Cutworms or Nocturnal moths (Agrotis spp.)

- European corn borer (Ostrinia nubilalis)

- Flea beetles (Epitrix spp., Psylliodes spp.)

- Leafhoppers (Empoasca spp., Macrosteles spp.)

- Leafminer fly (Liriomyza spp.)

- Leatherjackets - Craneflies (Tipula spp.)

- Potato tuber moth (Phthorimea opercullella, Scrobipalpopsis (Tecia) solanivora)

- Spider mites

- Tomato leaf miner (Tuta absoluta)

- Thrips (Thrips tabaci)

- Wireworms (Agriotes spp., Athous spp.)

• Myriapods

- Millipedes (Blaniulus guttulatus)

- Garden centripedes (Scutigerella immaculata)

• Gastropods

- Black slug (Arion hortensis)

- Grey slug (Deroceras reticulatum)