Diseases
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.
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.
Solanum tuberosum L. · Potato
Van Rijn France
Solanum tuberosum L. · Potato
Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)
Solanum tuberosum L. · Potato
Interseed Potatoes GmbH
Solanum tuberosum L. · Potato
The Potato Company
Solanum tuberosum L. · Potato
University of Idaho, Office of Technology Transfer
Solanum tuberosum L. · Potato
Federation des Syndicats Bretons (FR)
Solanum tuberosum L. · Potato
W.WALLMULLER
Solanum tuberosum L. · Potato
Teagasc Oak Park Research Centre
Solanum tuberosum L. · Potato
SAATZUCHT FRITZ LANGE KG
Solanum tuberosum L. · Potato
The State of Oregon
Solanum tuberosum L. · Potato
SLOOTS| R.H. Sloots
Solanum tuberosum L. · Potato
SICA GROCEP
Solanum tuberosum L. · Potato
SICA GROCEP
Solanum tuberosum L. · Potato
DANESPO AS, DK - 7323 GIVE
Solanum tuberosum L. · Potato
Stephan Berger
Solanum tuberosum L. · Potato
SCICA BRETAGNE- PLANTS
Solanum tuberosum L. · Potato
Aardappelkweek-en Selectiebedrijf Ijsselmeerpolders B.V.
Solanum tuberosum L. · Potato
Niederösterreichische Saatbaugenossenschaft reg.Gen.m.b.H.
Solanum tuberosum L. · Potato
Bretagne-plants (FR)
Solanum tuberosum L. · Potato
Grocep S.I.C.A.
Solanum tuberosum L. · Potato
Vandel Potatoes I/S c/o Danespo A/S
Solanum tuberosum L. · Potato
Jacob Heidemans
Solanum tuberosum L. · Potato
Station Recherche du Comité Nord (GIE)
Solanum tuberosum L. · Potato
University of Idaho