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Diseases

Tomato Fusarium wilt

Solanum lycopersicum L.

A fungal disease caused by the soil-borne pathogen Fusarium oxysporum f. sp. lycopersici, which attacks the vascular system of the plant. It is characterized by wilting and specific browning of the stem vascular bundles.

In the reference 2 983 varieties crop Tomato, where this is mentioned in the description.

The causal agent of the disease is the fungus Fusarium oxysporum f. sp. lycopersici, which is subdivided into three physiological races. The distribution of these races is determined by their ability to overcome the genetic resistance of host cultivars; races 1 and 2 are found worldwide, while the range of race 3 is gradually expanding.

Key symptoms include unilateral yellowing and wilting of leaves, starting from the lower part of the plant, as well as brown or chocolate-brown discoloration of the vascular bundles in a stem cross-section. The disease is most pronounced during the flowering and active fruiting periods, leading to leaf deformation and plant death.

Breeding for resistance is based on the use of the I, I-2, and I-3 genes, which provide protection against the first, second, and third races of the pathogen, respectively. In the documentation for cultivars and hybrids, the presence of such resistance is indicated by the code Fol with the specification of the corresponding races and the level of resistance.

General information about the subject — on the page Fusarium wilt and blight.

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.

UG 13577

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

PT
2 records

Sixtina

Active

Solanum lycopersicum L. · Tomato

Centre Tech. de Conservation des produits Agricoles (FR)/Institut National de la Recherche Agronomique (FR)

FR
3 records

Solanum lycopersicum L. · Tomato

HEINZSEED

PT
2 records

Solanum lycopersicum L. · Tomato

B. Milkov, H. Georgiev, V. Sotirova, D. Popova, L. Krasteva

BG
2 records

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

PT
2 records

Magneto

Active

Solanum lycopersicum L. · Tomato

SEMILLAS FITO, S.A.

ES
3 records

Ducvine

Active

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

NL
3 records

Mirely

Terminated

Solanum lycopersicum L. · Tomato

HM Clause SAS (FR)

FR
2 records

UG 140

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

PT
2 records

Cyclade

Active

Solanum lycopersicum L. · Tomato

Gautier Semences SAS (FR)

FR
2 records

UG 1410

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

PT
2 records

Despina

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Rafoly

Active

Solanum lycopersicum L. · Tomato

Gautier Semences SAS (FR)

FR
3 records

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

NL
2 records

Marsilia

Active

Solanum lycopersicum L. · Tomato

Gautier Semences SAS (FR)

FR
3 records

Solanum lycopersicum L. · Tomato

HEINZSEED

PT
2 records

Flavino

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS ITALIA S.P.A

PT
2 records

UG 15212

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

PT
2 records

Ulisse

Active

Solanum lycopersicum L. · Tomato

Novartis Seeds B.V.

NL
3 records

Maica

Terminated

Solanum lycopersicum L. · Tomato

Seminis Vegetable Seeds

ES
2 records

Oyin

Active

Solanum lycopersicum L. · Tomato

NEZZALEZ, S.L.

ES
2 records

Linares

Active

Solanum lycopersicum L. · Tomato

SEMILLAS FITO, S.A.

ES
2 records

Mecano

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
3 records

Solanum lycopersicum L. · Tomato

Bistra Ts. Atanasova, Hristo A. Georgiev

BG
3 records

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