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Pests

Potato nematodes

Solanum tuberosum L.

Potato is affected by the most dangerous phytoparasitic species: golden and pale potato cyst nematodes, as well as the potato tuber nematode. Damage manifests as stunted plant growth, destruction of tuber tissues, and yield loss.

In the reference 1 231 varieties crop Potato, where this is mentioned in the description.

The cyst-forming species Globodera rostochiensis and Globodera pallida, as well as Ditylenchus destructor, are of greatest economic importance. The golden nematode is represented by pathotypes Ro1–Ro5, of which Ro1 is most common in Russia, while the pale nematode is characterized by pathotypes Pa1–Pa3. Infection with cyst-forming nematodes causes the formation of wilting patches, excessive root branching, and the appearance of small cysts. The potato tuber nematode attacks stolons and tubers, causing the appearance of lead-gray sunken spots and the destruction of tissues into a loose, powdery mass.

In breeding programs, specific resistance genes are used to control these pathogens. The H1 and Gro1-4 genes provide protection against golden potato nematode pathotypes Ro1 and Ro4, while the Gpa2 gene controls resistance to pale nematode pathotype Pa2. To confirm the presence of these genes and identify resistant cultivars, marker-assisted selection methods are employed using specific DNA markers, such as TG 689 and Gpa 2-2.

General information about the subject — on the page Nematodes.

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.

Marijke

Active

Solanum tuberosum L. · Potato

ZPC Friese Cooperative Haldensvereniging voor Zaaizad en Pootgoed (NL)

DK HR IE IT NL
7 records

Rosagold

Active

Solanum tuberosum L. · Potato

Sjefke Allefs

NL UA
11 records

Astra

Active

Solanum tuberosum L. · Potato

DANESPO A/S

DE DK HR NL SK
10 records

Larissa

Active

Solanum tuberosum L. · Potato

NORIKA Nordring- Kartoffelzucht- und Ver

DE NL UA
11 records

Exempla

Active

Solanum tuberosum L. · Potato

Sudkartoffel GmbH

AT DE
7 records

Osiris

Active

Solanum tuberosum L. · Potato

Winfried Lange, Frank Lange

DE NL UA
9 records

Karida

Terminated

Solanum tuberosum L. · Potato

KWEEKINTITUUT KARNA

DE DK ES FR NL
6 records

Siena

Active

Solanum tuberosum L. · Potato

van Loon, J.P.

FR NL
8 records

Goldmarie

Active

Solanum tuberosum L. · Potato

NORIKA Nordring-Kartoffelzucht-und Vermehrungs-GmbH Gross Luesewitz

DE FR
8 records

Tornado

Active

Solanum tuberosum L. · Potato

Teagasc Crops Research Centre

IE UA
13 records

Marisol

Active

Solanum tuberosum L. · Potato

R.P.GRAVELAND

NL
9 records

Danina

Active

Solanum tuberosum L. · Potato

Justus Böhm

DE
8 records

Karnico

Active

Solanum tuberosum L. · Potato

KWEEKINTITUUT KARNA

DE DK ES FR NL
6 records

Flavia

Active

Solanum tuberosum L. · Potato

Saka-Ragis (DE)

CZ DE HR
8 records

Aula

Protection expired

Solanum tuberosum L. · Potato

SAKA-RAGIS PFLANZENZUCHT GBR

AT DE ES IE NL
7 records

Bellinda

Active

Solanum tuberosum L. · Potato

Heinrich Böhm

NL
9 records

Maris Piper

Active

Solanum tuberosum L. · Potato

P.BREED.INT.CAMBRIDGE

ES IE IT NL
9 records

Topaze

Active

Solanum tuberosum L. · Potato

GERMICOPA S.A.S

PT UA
8 records

Triplo

Active

Solanum tuberosum L. · Potato

STET HOLLAND

GR HR NL
10 records

Vebeca

Active

Solanum tuberosum L. · Potato

V.B.B. FONDS

AT DE DK LV NL
6 records

Melissa

Active

Solanum tuberosum L. · Potato

UNICOPA/CLAUSE

DE ES FR
9 records

Anouk

Active

Solanum tuberosum L. · Potato

Kweek- en Researchbedrijf Agrico B.V.

NL
8 records

Adato

Active

Solanum tuberosum L. · Potato

Lantmõnnen Seed B.V.

NL
8 records

Casablanca

Active

Solanum tuberosum L. · Potato

Sygnet PB, GB

NL
10 records

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