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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.

Fasan

Active

Solanum tuberosum L. · Potato

NORIKA NORDRING-KARTOFFELZUCHT UND VERMEHRUNGS-GMBH

DE HU LT LV PL
10 records

Delikat

Active

Solanum tuberosum L. · Potato

Yosef Fohel`

CZ DE LV PL UA
13 records

Concurrent

Protection expired

Solanum tuberosum L. · Potato

Kweekbedrijf-Zpc (NL)

BE ES FR IT NL
11 records

Turbo

Active

Solanum tuberosum L. · Potato

SMEENGE| Piet Smeenge / SMEENGE ALBERT| Albert Smeenge

DE ES FR NL
8 records

Navan

Active

Solanum tuberosum L. · Potato

PBI Cambridge (GB)

CZ HU IE SI
12 records

Maradonna

Active

Solanum tuberosum L. · Potato

Van Rijn Group

ES FR GR NL
10 records

Toscana

Active

Solanum tuberosum L. · Potato

SAKA PFLANZENZUCHT GMBH AND CO KG

DE HR UA
12 records

Rodriga

Active

Solanum tuberosum L. · Potato

UNIPLANTA SAATZUCHT KG

DE HR UA
12 records

Sensation

Active

Solanum tuberosum L. · Potato

Temmerman Handels

IT NL UA
15 records

Mont Blanc

Active

Solanum tuberosum L. · Potato

Jan van Loon

BE LU NL
11 records

Emanuelle

Active

Solanum tuberosum L. · Potato

R.P.GRAVELAND

FR LU NL
11 records

Bernadette

Active

Solanum tuberosum L. · Potato

Winfried Lange

EE FR NL
13 records

Capri

Active

Solanum tuberosum L. · Potato

PRINCE (NL)

CZ DE FR
9 records

Beo

Active

Solanum tuberosum L. · Potato

Walter Wolfgang

DE LU UA
11 records

Actrice

Active

Solanum tuberosum L. · Potato

Jan Darwinkel

MT NL UA
12 records

Spectra

Active

Solanum tuberosum L. · Potato

Lantmõnnen Seed B.V.

NL UA
12 records

Setanta

Active

Solanum tuberosum L. · Potato

Teagasc Crops Research Centre

IE UA
12 records

Panther

Active

Solanum tuberosum L. · Potato

R.P.GRAVELAND

FR NL
12 records

Merlot

Active

Solanum tuberosum L. · Potato

Wolfgang Walter, Norika Nordring - Kartoffelzucht - und Vermehrungs - GmbH Gross Lusewitz

LV UA
11 records

Nandina

Active

Solanum tuberosum L. · Potato

Heinrich Böhm

NL UA
12 records

Kestrel

Active

Solanum tuberosum L. · Potato

Jack Dunnett

IE NL
10 records

Harmony

Active

Solanum tuberosum L. · Potato

Dr Jack Dunnett, Caithness Potato Breeders Ltd

MT NL
12 records

Jurata

Active

Solanum tuberosum L. · Potato

Heinrich Böhm

LU PL
11 records

Fuego

Active

Solanum tuberosum L. · Potato

GERMICOPA S.A.S

ES FR
10 records

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