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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.

Zapador

Active

Solanum lycopersicum L. · Tomato

Paul Zamudio

FR
5 records

Vanessa

Active

Solanum lycopersicum L. · Tomato

HAZERA SEEDS BV

NL
3 records

Vieri

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Santorange

Active

Solanum lycopersicum L. · Tomato

Bayer Holland B.V.

NL
3 records

Riboski

Application submitted

Solanum lycopersicum L. · Tomato

Bayer Holland B.V.

NL
4 records

Red deuce

Active

Solanum lycopersicum L. · Tomato

HM Clause, USA

FR
3 records

Retador

Active

Solanum lycopersicum L. · Tomato

HM.CLAUSE

FR
5 records

Paronema

Active

Solanum lycopersicum L. · Tomato

Syngenta Crop Protection AG

NL
3 records

Pink Dream

Active

Solanum lycopersicum L. · Tomato

Sakata Seed Corporation (SCC)

FR
4 records

Mountain Magic

Active

Solanum lycopersicum L. · Tomato

Bejo Zaden B.V.

NL
6 records

Magmatik

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
4 records

Fuji Pink

Active

Solanum lycopersicum L. · Tomato

Sakata Vegetables Europe, F

FR
3 records

Florida 47 R

Active

Solanum lycopersicum L. · Tomato

Monsanto Vegetable, NL

NL
3 records

Firmus

Active

Solanum lycopersicum L. · Tomato

Syngenta Seeds B.V.

NL
3 records

Falkland

Active

Solanum lycopersicum L. · Tomato

Enza Zaden Beheer B.V.

NL
5 records

Diabolik

Active

Solanum lycopersicum L. · Tomato

Sakata Vegetables Europe S.A.S

FR
3 records

Cappricia

Active

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
5 records

Clarabella

Protection expired

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)

FR
3 records

Big Beef Plus

Active

Solanum lycopersicum L. · Tomato

Seminis Vegetable Seeds

NL
3 records

Arqueus

Application submitted

Solanum lycopersicum L. · Tomato

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

NL
4 records

Netta

Terminated

Solanum lycopersicum L. · Tomato

Nirit Seeds Ltd (IL)

FR NL
2 records

Castone

Terminated

Solanum lycopersicum L. · Tomato

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

FR
3 records

Condor

Terminated

Solanum lycopersicum L. · Tomato

PETOSEED CO

ES NL
2 records