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Diseases

Septoria blotch — soft wheat

Triticum aestivum L.

A fungal disease of wheat caused by the pathogens Zymoseptoria tritici and Parastagonospora nodorum. It manifests as leaf spots with pycnidia and is managed through Stb resistance genes.

In the reference 945 varieties crop Bread wheat, where this is mentioned in the description.

The pathogens causing Septoria blotch in soft wheat are the fungi Zymoseptoria tritici, which primarily affects leaves, and Parastagonospora nodorum, which causes lesions on leaves, stems, and spikes. The infection progresses through a prolonged asymptomatic phase, followed by the development of light green to brown spots on the affected tissues. A key diagnostic sign of the disease is the appearance of pycnidia — small black fruiting bodies in the center of the spots.

Genetic resistance of the crop to Septoria blotch is based on the system of Stb genes, such as Stb2, Stb4, Stb6, Stb9, Stb11, and Stb13, which provide juvenile or adult-plant resistance. In breeding programs, the pyramiding of multiple Stb genes is practiced to increase the durability of protection. In the context of interaction with P. nodorum, the sensitivity gene Tsn1 also plays an important role, determining plant susceptibility through interaction with the fungus's necrotrophic effectors.

General information about the subject — on the page Septoria leaf blotch.

Sources8

Varieties of Bread wheat 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.

Krona

Active

Triticum aestivum L. · Bread wheat

AGRIPRO SEEDS

SI
6 records

LD Cape

Active

Triticum aestivum L. · Bread wheat

LEMAIRE DEFFONTAINES S.A.S.

FR
4 records

Kompass

Terminated

Triticum aestivum L. · Bread wheat

SAATZUCHT JOSEF BREUN GmbH&Co.KG

DE
4 records

Korona

Active

Triticum aestivum L. · Bread wheat

MOROZOV NIKOLAJ ALEKSANDROVICh / IVANOV VIKTOR VASIL'EVICh / RYaBOVA TAT'YaNA VIKTOROVNA / SAMSONOV IVAN VLADIMIROVICh / BERLEVA MARIYa ANATOL'EVNA

BE
4 records

Konstancja

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

PL
5 records

KWS Barrel

Active

Triticum aestivum L. · Bread wheat

KWS UK LTD

DE
6 records

KWS Perceptium

Active

Triticum aestivum L. · Bread wheat

KWS MOMONT RECHERCHE SARL, FR

FR
4 records

KWS Alicium

Active

Triticum aestivum L. · Bread wheat

KWS Lochow

LT
4 records

Kilopondio

Active

Triticum aestivum L. · Bread wheat

SEMILLAS BATLLE, S.A.

ES
5 records

Jordão

Terminated

Triticum aestivum L. · Bread wheat

INIAV - Instituto Nacional de Investigacao Agraria e Veterinaria.

PT
3 records

Jabalcon

Active

Triticum aestivum L. · Bread wheat

SEMILLAS BATLLE S.A.

GR
3 records

Hyxtra

Active

Triticum aestivum L. · Bread wheat

Saaten Union Recherche (FR)

FR
3 records

Hyvento

Active

Triticum aestivum L. · Bread wheat

NORDSAAT SAATZUCHT

DE
4 records

Gwenn

Active

Triticum aestivum L. · Bread wheat

Agri-Obtentions S.A., Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

FR
4 records

Gwastell

Active

Triticum aestivum L. · Bread wheat

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE) , Agri-Obtentions S.A.

FR
5 records

Glenan

Active

Triticum aestivum L. · Bread wheat

Institut national de recherche pour l'agriculture, l'aliment (FR)/Agri Obtentions SA (FR)

FR
4 records

Generik

Active

Triticum aestivum L. · Bread wheat

Institut national de recherche pour l'agriculture, l'aliment (FR)/Agri Obtentions SA (FR)

FR
5 records

Graveline

Active

Triticum aestivum L. · Bread wheat

Institut national de recherche pour l'agriculture, l'aliment (FR)/Agri Obtentions SA (FR)

FR
4 records

Grapeli

Terminated

Triticum aestivum L. · Bread wheat

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE) , Agri-Obtentions S.A.

FR
4 records

Geny

Active

Triticum aestivum L. · Bread wheat

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE) , Agri-Obtentions S.A.

FR
4 records

Geopolis

Active

Triticum aestivum L. · Bread wheat

Institut national de recherche pour l'agriculture, l'aliment (FR)/Agri Obtentions SA (FR)

FR
4 records

Godille

Active

Triticum aestivum L. · Bread wheat

Institut national de recherche pour l'agriculture, l'aliment (FR)/Agri Obtentions SA (FR)

FR
4 records

Gabanna

Active

Triticum aestivum L. · Bread wheat

Institut national de recherche pour l'agriculture, l'aliment (FR)/Agri Obtentions SA (FR)

FR
4 records

Garrus

Active

Triticum aestivum L. · Bread wheat

LIMAGRAIN EUROPE

IE
6 records

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