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Diseases

Tomato root rot

Solanum lycopersicum L.

A complex of fungal and bacterial diseases affecting the root system and the root zone of tomato plants, leading to root decay, wilting, and plant stunting.

In the reference 72 varieties crop Tomato, where this is mentioned in the description.

The pathogens causing the disease are members of the soil microflora, with the primary roles played by fungi of the genera Fusarium (including specialized formae speciales), Pyrenochaeta, which causes corky root rot, Pythium, Rhizoctonia, Phytophthora, Thielaviopsis, as well as a number of bacterial species of the genera Pseudomonas and Erwinia.

Symptoms of infection involve both the underground and above-ground parts of the plant. Roots turn brown or tan, lose turgor, and decay, while a constriction often forms in the root zone, known as 'damping-off' or 'black leg'. Secondary symptoms manifest as yellowing of the lower leaves, stunted growth, and wilting, which is particularly critical during the active fruiting period.

Breeding for resistance relies on the introgression of specific genes and the use of molecular markers. While the I-1, I-2, and I-3 genes are used for Fusarium wilt, markers such as Mi1.2 are utilized to control root rots and associated nematodes, alongside the search for QTL loci that interact with pathogen effector genes.

General information about the subject — on the page Root rots.

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.

Goldvine

Active

Solanum lycopersicum L. · Tomato

Nunhems B.V.

NL
2 records

Gloadine

Withdrawn

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

NL
1 record

Euforia F1

Application submitted

Solanum lycopersicum L. · Tomato

Sylvain Bontems

UA
2 records

Solanum lycopersicum L. · Tomato

Bayer Holland B.V.

NL
1 record

Ernexia

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Elsa

Active

Solanum lycopersicum L. · Tomato

Tovarystvo z obmezhenoiu vidpovidalnistiu "SPARK SIDZ"

UA
2 records

Costral

Terminated

Solanum lycopersicum L. · Tomato

Vilmorin SA (FR)

FR
2 records

Solanum lycopersicum L. · Tomato

Robert Priieur

UA
2 records

Daizy

Active

Solanum lycopersicum L. · Tomato

Dong-Wook Cho

UA
2 records

Cuba Moon

Application submitted

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

NL
2 records

Charleston F1

Terminated

Solanum lycopersicum L. · Tomato

Erik Bastet

UA
1 record

CHIMGAN

Active

Solanum lycopersicum L. · Tomato

Yolanda Duran

UA
2 records

Celzus F1

Terminated

Solanum lycopersicum L. · Tomato

Maren Shutte, Ad Barten,

UA
1 record

BIG POWER

Terminated

Solanum lycopersicum L. · Tomato

RIJK ZWAAN Z.Z. B.V.

ES
1 record

AX4538

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Bigdena F1

Terminated

Solanum lycopersicum L. · Tomato

Sylvain Bontems

UA
1 record

Aswan F1

Active

Solanum lycopersicum L. · Tomato

Dr. V.S.S. Rao

UA
2 records

Axirady XR

Application submitted

Solanum lycopersicum L. · Tomato

Axia NL B.V.

NL
2 records

Arnold F1

Terminated

Solanum lycopersicum L. · Tomato

Yonat Partok

UA
1 record

AnnaÖsa

Active

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

NL
2 records

Solanum lycopersicum L. · Tomato

Kees Reinink

UA
1 record

72-761

Terminated

Solanum lycopersicum L. · Tomato

Kees Reinink

UA
2 records

Aida F1

Active

Solanum lycopersicum L. · Tomato

Anzhelika Rakov

UA
1 record

Solanum lycopersicum L. · Tomato

Nunhems B.V.

NL
2 records

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