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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.

Tajfun

Active

Solanum tuberosum L. · Potato

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

PL UA
10 records

Scapa

Active

Solanum tuberosum L. · Potato

JAMES HUTTON LTD

NL
6 records

Signum

Active

Solanum tuberosum L. · Potato

J.J. Schilt

NL
7 records

Solanum tuberosum L. · Potato

Kmetijski inštitut, SI

SI
5 records

Euroresa

Active

Solanum tuberosum L. · Potato

Heinrich Böhm

DE UA
5 records

Solanum tuberosum L. · Potato

Karsten Ellenberg

DE
4 records

GRACIA

Terminated

Solanum tuberosum L. · Potato

ZPC

ES FR IE
5 records

Solanum tuberosum L. · Potato

Justus Böhm

DE
6 records

Liva

Terminated

Solanum tuberosum L. · Potato

Landbrugets Kartoffelfond, Foraedlst., DK-7184 Vandel

DK SK
5 records

Solanum tuberosum L. · Potato

CYGNET POTATO BREEDERS

NL
6 records

Adéla

Active

Solanum tuberosum L. · Potato

Selekta Pacov, a.s., CZ

CZ PL SK
5 records

Sunrise

Active

Solanum tuberosum L. · Potato

Zella J. Doig

MT NL
6 records

Atoll

Active

Solanum tuberosum L. · Potato

Bretagne-Plants S.C.I.C.A.

FR UA
5 records

Solanum tuberosum L. · Potato

Austinus Jansen

NL
8 records

Montis

Active

Solanum tuberosum L. · Potato

Interseed Potatoes GmbH

DE
6 records

Zuzanna

Active

Solanum tuberosum L. · Potato

Heinrich Böhm

PL UA
7 records

Valencia

Active

Solanum tuberosum L. · Potato

BOERHAVE VOF

NL
7 records

Pike

Protection expired

Solanum tuberosum L. · Potato

Plaisted, PL

4 records

Safiyah

Active

Solanum tuberosum L. · Potato

Mr Anto Beets, Anto Beets of Maatschap Beets- Siertsema

5 records

Kresnik

Active

Solanum tuberosum L. · Potato

Kmetijski inštitut Slovenije (SI)

HR NL SI
5 records

Simphony

Active

Solanum tuberosum L. · Potato

Sloots Aardappelkweekbedrijf B.V.

NL
7 records

Luciole

Active

Solanum tuberosum L. · Potato

Stet Holland BV (NL)

FR NL
5 records

Graziosa

Active

Solanum tuberosum L. · Potato

Niederösterreichische Saatbaugenossenschaft reg.Gen.m.b.H.

AT FR
5 records

Maldive

Active

Solanum tuberosum L. · Potato

SARL L.S.A.

FR
6 records

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