List of potato diseases

This is a list of diseases and disorders found in potatoes.

## Bacterial diseases

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Bacterial Diseases

Bacterial wilt = brown rot |

Ralstonia solanacearum

= Pseudomonas solanacearum
Blackleg and bacterial soft rot |

Pectobacterium carotovorum subsp. atrosepticum

= Erwinia carotovora subsp. atroseptica

P. c. subsp. carotovorum

= E. c. subsp.

carotovora
P. chrysanthemi

= E. chrysanthemi

Dickeya solani [1]

Pink eye | Pseudomonas fluorescens
Ring rot |

Clavibacter michiganensis subsp. sepedonicus

= Corynebacterium sepedonicum
Common scab |

Streptomyces scabiei

= S. scabies

S. acidiscabies
S. turgidiscabies

Zebra chip = Psyllid yellows? |

Candidatus Liberibacter solanacearum

## Fungal diseases

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Fungal diseases

Black dot |

Colletotrichum coccodes

= Colletotrichum atramentarium
Brown spot and Black pit |

Alternaria alternata

= Alternaria tenuis
Cercospora leaf blotch |

Mycovellosiella concors

= Cercospora concors

C. solani
C. solani-tuberosi

Charcoal rot |

Macrophomina phaseolina

= Sclerotium bataticola]
Choanephora blight |

Choanephora cucurbitarum

Common rust |

Puccinia pittieriana

Deforming rust |

Aecidium cantensis

Early blight |

Alternaria solani

Fusarium dry rot | Fusarium spp.

Gibberella pulicaris

= F. solani

Other spp. include:
F. avenaceum
F. oxysporum
F. culmorum
Less common spp. include:
F. acuminatum
F. equiseti
F. crookwellense

Fusarium wilt | Fusarium spp.

F. avenaceum
F. oxysporum
F. solani f. sp. eumartii

Gangrene |

Phoma solanicola f. foveata
Ph. foveata

= Ph. exigua var. foveata
= Ph. e. f. sp. foveata

Ph. e. var. exigua

Gray mold |

Botrytis cinerea

Botryotinia fuckeliana [teleomorph]
Phoma leaf spot |

Ph. andigena var. andina

Powdery mildew |

Erysiphe cichoracearum

Rhizoctonia canker and black scurf |

Rhizoctonia solani

Rosellinia black rot |

Rosellinia sp.[which?]

Dematophora sp. [anamorph]
Septoria leaf spot |

S. lycopersici var. malagutii

Silver scurf |

Helminthosporium solani

Skin spot |

Polyscytalum pustulans

Stem rot (southern blight) |

Athelia rolfsii

Thecaphora smut |

Angiosorus solani

= Thecaphora solani
Ulocladium blight |

Ulocladium atrum

Verticillium wilt |

Verticillium albo-atrum
V. dahliae

Wart |

Synchytrium endobioticum

White mold |

Sclerotinia sclerotiorum

## Protistan diseases

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Protistan diseases

Late blight (oomycete) |

Phytophthora infestans[2]

Leak (oomycete) |

Pythium spp.
Pythium ultimum var. ultimum
= Pythium debaryanum
Pythium aphanidermatum
Pythium deliense

Pink rot (oomycete) |

Phytophthora spp.
Phytophthora cryptogea
Phytophthora drechsleri
Phytophthora erythroseptica
Phytophthora megasperma
Phytophthora nicotianae var. parasitica

Powdery scab (Rhizaria) |

Spongospora subterranea f.sp. subterranea

## Viral and viroid diseases

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Main article: Viral diseases of potato

Viral and viroid diseases

Alfalfa mosaic virus | genus Alfamovirus, Alfalfa mosaic virus (AMV)
Andean potato latent virus | genus Tymovirus, Andean potato latent virus (APLV)
Andean potato mottle virus | genus Comovirus, Andean potato mottle virus (APMV)
Arracacha virus B - Oca strain | genus Nepovirus, Arracacha virus B Oca strain (AVB-O)
Beet curly top virus | genus Curtovirus, Beet curly top virus (BCTV)
Cucumber mosaic virus | genus Cucumovirus, Cucumber mosaic virus (CMV)
Eggplant mottle dwarf virus | genus Rhabdovirus, Eggplant mottle dwarf virus (EMDV)
Potato aucuba mosaic virus | genus Potexvirus, Potato aucuba mosaic virus (PAMV)
Potato black ringspot virus | genus Nepovirus, Potato black ringspot virus (PBRSV)
Potato deforming mosaic virus | genus Geminiviridae Potato deforming mosaic virus subgroup III, (PDMV)
Potato latent virus | genus Carlavirus, Potato latent virus (PLV)
Potato leafroll virus | genus Luteovirus, Potato leafroll virus (PLRV)
Potato mop-top virus (spraing of tubers) | genus Furovirus, Potato mop-top virus (PMTV)
Potato rugose mosaic | genus Potyvirus, Potato virus Y (PVY, strains O, N and C)
Potato stem mottle (spraing of tubers) | genus Tobravirus, Tobacco rattle virus (TRV)
Potato spindle tuber | Potato spindle tuber viroid (PSTVd)
Potato yellow dwarf virus | genus Nucleorhabdovirus, Potato yellow dwarf virus (PYDV)
Potato yellow mosaic virus | genus Geminiviridae, Potato yellow mosaic virus (PYMV); subgroup III
Potato yellow vein virus | Potato yellow vein virus (PYVV)
Potato yellowing virus | genus Alfamovirus, Potato yellowing virus (PYV)
Potato virus A | genus Potyvirus, Potato virus A (PVA)
Potato virus M | genus Carlavirus, Potato virus M (PVM)
Potato virus S | genus Carlavirus, Potato virus S (PVS)
Potato virus H | genus Carlavirus, Potato virus H (PVH)
Potato virus T | genus Trichovirus, Potato virus T
Potato virus U | genus Nepovirus, Potato virus U (PVU)
Potato virus V | genus Potyvirus, Potato virus V (PVV)
Potato virus X | genus Potexvirus, Potato virus X (PVX)
Potato virus Y | genus Potyvirus, Potato virus Y (PVY)
Solanum apical leaf curling virus | Geminiviridae, Solanum apical leaf curling virus (SALCV) subgroup III
Sowbane mosaic virus | genus Sobemovirus, Sowbane mosaic virus (SoMV)
Tobacco mosaic virus | genus Tobamovirus, Tobacco mosaic virus (TMV)
Tobacco necrosis virus | genus Necrovirus, Tobacco necrosis virus (TNV)
Tobacco rattle virus | genus Tobravirus, Tobacco rattle virus (TRV)
Tobacco streak virus | genus Ilarvirus, Tobacco streak virus (TSV)
Tomato black ring virus | genus Nepovirus, Tomato black ring virus (ToBRV)
Tomato mosaic virus | genus Tobamovirus, Tomato mosaic virus (ToMV)
Tomato spotted wilt virus | genus Tospovirus, Tomato spotted wilt virus (TSWV)
Tomato yellow mosaic virus | genus Geminiviridae, Tomato yellow mosaic virus (ToYMV) subgroup III
Wild potato mosaic virus | genus Potyvirus, Wild potato mosaic virus (WPMV)

## Nematode parasitic

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Nematode parasitic

Potato cyst nematode |

Globodera rostochiensis
Globodera pallida

Lesion nematode  |

Pratylenchus spp.
Pratylenchus brachyurus
Pratylenchus penetrans
Other species include:
Pratylenchus scribneri
Pratylenchus neglectus
Pratylenchus thornei
Pratylenchus crenatus
Pratylenchus andinus
Pratylenchus vulnus
Pratylenchus coffeae

Potato rot nematode  |

Ditylenchus destructor

Root knot nematode  |

Meloidogyne spp.
Meloidogyne hapla
Meloidogyne incognita
Meloidogyne javanica
Meloidogyne chitwoodi

Sting nematode  |

Belonolaimus longicaudatus

Stubby-root nematode  |

Paratrichodorus spp.
Trichodorus spp.

## Phytoplasmal diseases

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Phytoplasmal diseases

Aster yellows | Aster yellows group of phytoplasmas
Witches'-broom | Witches’ broom phytoplasma
BLTVA | The beet leafhopper-transmitted virescence agent

## Miscellaneous diseases and disorders

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Miscellaneous diseases and disorders

Aerial tubers | Phytoplasma infection or anything that constricts the stem, including but not limited to Rhizoctonia canker, heat necrosis, chemical injury, mechanical injury, wind injury
Air pollution injury | Photochemical oxidants (primarily ozone), sulfur oxides
Black heart | Oxygen deficiency of internal tuber tissue
Blackspot bruise | Bruising, pressure contact
Elephant hide | Roughening of tuber skin due to physiological or environmental causes
Hollow heart | Excessively rapid tuber enlargement
Internal brown spot = heat necrosis | Oxygen deficiency of tuber accompanying high soil temperature
Jelly end rot | Carbohydrate translocation due to second growth
Physiological leaf roll | Response to adverse environment
Psyllid yellows | Toxic saliva of the potato (tomato) psyllid, Paratrioza cockerelli
Shatter bruise | Mechanical damage to tuber
Skinning | Mechanical damage to tuber
Stem-end browning | Exact cause(s) unknown, chemical injury, viruses or other pathogens.

## References

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1. ^ William Surman (19 August 2010). "Major new disease threat to potatoes". Farmers Guardian / UBM Information Ltd. Archived from the original on 18 March 2012. Retrieved 26 July 2011.
2. ^ Nowicki, Marcin; et al. (17 August 2011), "Potato and tomato late blight caused by Phytophthora infestans: An overview of pathology and resistance breeding", Plant Dis, 96 (1), Plant Disease, ASP: 4–17, doi:10.1094/PDIS-05-11-0458, PMID 30731850

* Common Names of Diseases, The American Phytopathological Society
* Potato Diseases (Fact Sheets and Information Bulletins), The Cornell Plant Pathology Vegetable Disease Web Page

## External links

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* Sparks, Adam; Kennelly, Megan (May 2008). "Common Scab of Potato" (PDF). Kansas State University Agricultural Experiment Station and Cooperative Extension Service. Retrieved 2018-01-06.