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Diseases

Tomato Leaf Spots

Solanum lycopersicum L.

A group of tomato diseases caused by various pathogens, characterized by specific symptoms and resistance mechanisms.

In the reference 563 varieties crop Tomato, where this is mentioned in the description.

Leaf mold, caused by Fulvia fulva (Pf), manifests as rounded yellowish spots with a velvety coating on the underside of leaves. The pathogen has races 1.2, 1.2.3, 1.2.3.4, and breeding is conducted through the use of Cf resistance genes (Cf-2, Cf-4, Cf-9). Stemphylium leaf spot, caused by Stemphylium solani (Ss), S. lycopersici (Sl), and S. botryosum (Sbl), is characterized by small brown-black spots up to 3 mm in size with a yellow halo.

Bacterial spot (Pseudomonas syringae pv. tomato, Xanthomonas campestris pv. vesicatoria) manifests as black water-soaked spots, affecting stems and fruits. Resistance to it is provided by the Pto and Ptr1 genes. Early blight (Alternaria solani, A. tomatophila) is distinguished by concentric dark brown spots; it is characterized by polygenic resistance, unlike the gene-for-gene interaction seen in leaf mold.

General information about the subject — on the page Leaf spot diseases.

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.

Giubilo

Active

Solanum lycopersicum L. · Tomato

HAZERA SEEDS BV

ES
3 records

General

Active

Solanum lycopersicum L. · Tomato

Sakata Vegetables Europe S.A.S

UA
3 records

Gavilan

Active

Solanum lycopersicum L. · Tomato

CAPITAL GENETIC EBT, S.L.

ES
2 records

Flamantyno

Active

Solanum lycopersicum L. · Tomato

HAZERA SEEDS BV

ES
3 records

Fantasio

Active

Solanum lycopersicum L. · Tomato

Clause Tezier, FR

FR
2 records

Ercomex

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

NL
2 records

Esmira

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
3 records

Fastred

Active

Solanum lycopersicum L. · Tomato

INTERSEMILLAS SAU

ES
2 records

Empire

Terminated

Solanum lycopersicum L. · Tomato

PETOSEED CO

ES
2 records

Elanto

Terminated

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
3 records

Errasty

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Ercolino

Active

Solanum lycopersicum L. · Tomato

UNITED GENETICS SEEDS CO

PT
2 records

Doricino

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Dulcemiel

Terminated

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

NL
4 records

Diletto

Active

Solanum lycopersicum L. · Tomato

HM.Clause S.A.S.

FR
3 records

Don George

Active

Solanum lycopersicum L. · Tomato

HAZERA SEEDS BV

ES
3 records

Daimiel

Active

Solanum lycopersicum L. · Tomato

Syngenta Crop Protection AG

NL
4 records

Cencara

Active

Solanum lycopersicum L. · Tomato

Vilmorin-Mikado S.A.S.

FR
4 records

Corsica

Active

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

NL
4 records

Contessa

Terminated

Solanum lycopersicum L. · Tomato

PETOSEED CO

ES
3 records

Camelot

Active

Solanum lycopersicum L. · Tomato

HAZERA SEEDS BV

ES
3 records

Carandicia

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Cardiola

Application submitted

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

NL
3 records

Brickyard

Active

Solanum lycopersicum L. · Tomato

Syngenta Crop Protection AG

NL
2 records