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Diseases

Potato Scab

Solanum tuberosum L.

A group of potato diseases caused by various pathogens, primarily affecting the tubers. It includes common, powdery, silver, skin spot, and black scurf forms, which differ in their causal agents and symptoms.

In the reference 1 000 varieties crop Potato, where this is mentioned in the description.

Potato scab encompasses five main forms of the disease: common scab, caused by the actinomycetes Streptomyces scabies; powdery scab (Spongospora subterranea); silver scurf (Helminthosporium solani); skin spot (Polyscytalum pustulans); and black scurf, or Rhizoctonia disease (Rhizoctonia solani). Lesions appear on the tubers as ulcers, pustules, spots with a metallic sheen, or growths on the roots.

In agronomic practice, cultivar resistance is assessed using a scoring scale, as specific immunity genes for scab pathogens have not been identified. Breeding efforts are focused on selecting hybrid material with high field tolerance and complex resistance to diseases under production conditions.

General information about the subject — on the page Scab.

Sources8

Varieties of Potato mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Auris

Active

Solanum tuberosum L. · Potato

Interseed Potatoes GmbH

DE
3 records

Aramis

Active

Solanum tuberosum L. · Potato

Pomorsko Mazurska Hodowla Ziemniaka Sp.z o.o. z siedziba w Strzekecinie

PL
2 records

Arkadia

Terminated

Solanum tuberosum L. · Potato

Pomorsko Mazurska Hodowla Ziemniaka Sp.z o.o. z siedziba w Strzekecinie

PL
3 records

Antora

Active

Solanum tuberosum L. · Potato

Averis Seeds B.V.

NL
4 records

Athena

Active

Solanum tuberosum L. · Potato

Station du Comite Nord (FR)/Groupement Interprofessionel de la Pomme de Terre (FR)

FR
6 records

Annabell

Terminated

Solanum tuberosum L. · Potato

P Y VAN DER WERFF/DE ZPC

FR
4 records

Ally

Active

Solanum tuberosum L. · Potato

DANESPO A/S

DK
4 records

Alix

Active

Solanum tuberosum L. · Potato

Germicopa SAS, FR

FR
4 records

Afra

Active

Solanum tuberosum L. · Potato

HEINHOLD GEORG| Georg Heinhold

DE
4 records

Troll

Active

Solanum tuberosum L. · Potato

Landbruks- og matdepartementet, N - 0030 Oslo

2 records

Pixie

Terminated

Solanum tuberosum L. · Potato

Zella J. Doig

3 records

Pink Gypsy

Terminated

Solanum tuberosum L. · Potato

CYGNET POTATO BREEDERS

3 records

Mistay

Terminated

Solanum tuberosum L. · Potato

The James Hutton Institute

2 records

Harlequin

Active

Solanum tuberosum L. · Potato

SCRI INVERGOWRIE

3 records

Inca Rosa

Active

Solanum tuberosum L. · Potato

JAMES HUTTON LTD

3 records

Gullauge

Active

Solanum tuberosum L. · Potato

Landbruks- og matdepartementet, N - 0030 Oslo

2 records

Eir

Active

Solanum tuberosum L. · Potato

Graminor AS, N-2322 Ridabu

2 records

Bounty

Active

Solanum tuberosum L. · Potato

CYGNET POTATO BREEDERS

3 records

Charlemont

Terminated

Solanum tuberosum L. · Potato

Agri-food and Biosciences Institute (AFBI Belfast)

2 records

Bambino

Active

Solanum tuberosum L. · Potato

CYGNET POTATO BREEDERS

3 records

Andeana

Active

Solanum tuberosum L. · Potato

JAMES HUTTON LTD

3 records

MEZhYRIChKA-11

Active

Solanum tuberosum L. · Potato

Zelia Aureliia Heorhiivna, Halahan Tetiana Oleksandrivna, Kozun` Ihor Ivanovych, Tymko Liudmyla Volodymyrivna, Pysarenko Nataliia Vasylivna, Lysak Olena Andriivna, Andriienko Tetiana Mykhailivna, Tymko Mykola Hryhorovych, Sydorchuk Vasyl Ivanovych,

UA
2 records

Janka

Terminated

Solanum tuberosum L. · Potato

ES HR PL
3 records

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