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Pests

Root-knot nematodes of tomato

Solanum lycopersicum L.

Root-knot nematodes of the genus Meloidogyne cause damage to the tomato root system, manifested by the formation of characteristic swellings (galls), which leads to impaired nutrition and stunting of the plant's aerial parts.

In the reference 1 711 varieties crop Tomato, where this is mentioned in the description.

The primary pathogens affecting tomatoes are Meloidogyne incognita, M. javanica, M. arenaria, and M. hapla. Root infestation manifests as galls, which, in cases of severe infection, coalesce into large masses, disrupting the vascular system. In the aerial parts, this is expressed as stunted growth, chlorosis, and diurnal wilting of the plants.

Genetic resistance of tomatoes to the species M. incognita, M. javanica, and M. arenaria is provided by the dominant gene Mi (or Mi-1), which triggers a hypersensitive response in reaction to the parasite's invasion. It is important to note that the effect of this gene generally does not extend to the species M. hapla.

General information about the subject — on the page Nematodes.

Sources8

Varieties of Tomato 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.

Solanum lycopersicum L. · Tomato

Kees Konst

NL UA
8 records

Vasanta

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL UA
8 records

Torquay

Active

Solanum lycopersicum L. · Tomato

Bejo Zaden, NL

HR NL
5 records

Tastery

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V. (NL)

HR NL
7 records

Tamaris

Active

Solanum lycopersicum L. · Tomato

SAS HM Clause (FR)

FR HR
5 records

Signora

Active

Solanum lycopersicum L. · Tomato

ESASEM, I

HU UA
6 records

Santiana

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL UA
8 records

Resistar

Active

Solanum lycopersicum L. · Tomato

Hazera Genetics Ltd (IL)

ES FR
6 records

PinkID

Active

Solanum lycopersicum L. · Tomato

Monsanto Vegetable, NL

NL UA
8 records

Partova

Active

Solanum lycopersicum L. · Tomato

Monsanto Vegetable, NL

NL UA
8 records

Petra

Active

Solanum lycopersicum L. · Tomato

ZETA SEEDS S.L.

ES SE
5 records

N 0296

Active

Solanum lycopersicum L. · Tomato

Steven Schroeder

NL UA
10 records

Mahitos

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR UA
6 records

Solanum lycopersicum L. · Tomato

Hazera, NL

ES UA
7 records

Malkonet

Active

Solanum lycopersicum L. · Tomato

Syngenta, NL

NL UA
5 records

Solanum lycopersicum L. · Tomato

Monsanto Vegetable Management, NL

NL UA
8 records

Kongo

Active

Solanum lycopersicum L. · Tomato

Katarzyna Grabka

FR UA
5 records

Kaponet

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds, NL

NL UA
5 records

Izmir

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds, NL

HR NL
6 records

Hyrule

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL UA
8 records

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL UA
6 records

Eterei

Active

Solanum lycopersicum L. · Tomato

Seminis Vegetable Seeds

NL UA
9 records

Bellfort

Active

Solanum lycopersicum L. · Tomato

Kees Konst

NL UA
6 records

Belfast

Active

Solanum lycopersicum L. · Tomato

Kees Konst

NL UA
7 records

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