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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.

Tarquito

Active

Solanum lycopersicum L. · Tomato

Kees Konst

NL UA
6 records

Surya

Active

Solanum lycopersicum L. · Tomato

Vilmorin SA (FR)

FR UA
4 records

Tenorio

Terminated

Solanum lycopersicum L. · Tomato

CLAUSE TEZIER,S.A.

ES FR
3 records

Syta

Terminated

Solanum lycopersicum L. · Tomato

Tezier SA (FR)

FR PL
3 records

Samori

Active

Solanum lycopersicum L. · Tomato

ESASEM S.p.A

HU UA
4 records

SVTM9018

Active

Solanum lycopersicum L. · Tomato

Monsanto Vegetable IP Management B.V.

NL UA
5 records

Solemio

Active

Solanum lycopersicum L. · Tomato

SEMILLAS FITO, S.A.

ES NL
4 records

Shivious

Active

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

NL UA
6 records

Surprise

Application submitted

Solanum lycopersicum L. · Tomato

RAMIRO ARNEDO, S.A.

ES NL
3 records

San Remo

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

ES PT
3 records

Sacher

Active

Solanum lycopersicum L. · Tomato

Y³ksel Tohum Tarim San. ve Tic A.S.

NL UA
5 records

Savantas

Active

Solanum lycopersicum L. · Tomato

Kees Konst

NL UA
4 records

Sanpirlo

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V. 2025243007

NL UA
4 records

Salomee

Terminated

Solanum lycopersicum L. · Tomato

ENZA ZADEN B.V.

ES NL
3 records

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

NL UA
5 records

Romatos

Terminated

Solanum lycopersicum L. · Tomato

DE RUITER SEEDS

NL PL
3 records

Roterno

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL UA
4 records

Sesenta

Terminated

Solanum lycopersicum L. · Tomato

DE RUITER SEEDS

ES NL
3 records

Redetto

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL UA
7 records

Prios

Active

Solanum lycopersicum L. · Tomato

JAN J.DE BRUIN

NL UA
4 records

Pretty

Protection expired

Solanum lycopersicum L. · Tomato

Enza Zaden B.V.

BG NL
3 records

Solanum lycopersicum L. · Tomato

Ballardini Massimiliano

HU UA
4 records

Pinkjain

Active

Solanum lycopersicum L. · Tomato

Kees Konst

NL UA
3 records

Solanum lycopersicum L. · Tomato

JAN J.DE BRUIN

NL UA
4 records

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