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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

Nunhems Netherlands B.V.

NL
1 record

Xylora XR

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Xolany XR

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Yaqui F1

Active

Solanum lycopersicum L. · Tomato

Hari Besels

UA
1 record

Xandy XR

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Xolatyl XR

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Xanadu XR

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
4 records

WONDER BOY

Withdrawn

Solanum lycopersicum L. · Tomato

SEMINIS VEGETABLE SEED IB

ES
1 record

Xenia XR

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

YPACARAI

Application submitted

Solanum lycopersicum L. · Tomato

MERIDIEM SEEDS S.L.

ES
1 record

Xylia XR

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Xombra

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Xerany

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Veloz F1

Active

Solanum lycopersicum L. · Tomato

Doug Heath

UA
1 record

Solanum lycopersicum L. · Tomato

Dr. Mario Martinelli

UA
2 records

Solanum lycopersicum L. · Tomato

Dr. Mario Martinelli

UA
2 records

VIOLAVINE

Application submitted

Solanum lycopersicum L. · Tomato

Harmoniz

ES
1 record

Solanum lycopersicum L. · Tomato

Dr. Mario Martinelli

UA
2 records

Valday F1

Terminated

Solanum lycopersicum L. · Tomato

Naomi Gavish

UA
2 records

TT-764

Application submitted

Solanum lycopersicum L. · Tomato

Harmoniz

ES
1 record

Tutti Sun

Application submitted

Solanum lycopersicum L. · Tomato

HM Clause SAS (FR)/Abundant Seeds Pty Ltd (AU)

FR
1 record

Tsarine F1

Application submitted

Solanum lycopersicum L. · Tomato

Sylvain Bontems

UA
2 records

Solanum lycopersicum L. · Tomato

Dr. Mario Martinelli

UA
2 records

Solanum lycopersicum L. · Tomato

Ger Bimsdeboer

UA
1 record

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