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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.

LG Optimist

Active

Triticum aestivum L. · Bread wheat

LIMAGRAIN EUROPE

BE EE NL PL SK UA
12 records

Lemmy

Active

Triticum aestivum L. · Bread wheat

Nordsaat Saatzucht GmbH, Böhnhausen DE

EE HU LT PL UA
13 records

Kris

Active

Triticum aestivum L. · Bread wheat

Societe RAGT 2N

DK LT LV PL SE
14 records

Colonia

Active

Triticum aestivum L. · Bread wheat

NICKERSON INTERNATIONAL RESEARCH SNC

BE HU LT LU PL
12 records

Viscount

Active

Triticum aestivum L. · Bread wheat

Limagrain UK

BE EE LT LV PL
13 records

Akvitan

Active

Triticum aestivum L. · Bread wheat

Landwirtschaftliche Lehranstalten Triesdorf

EE LT PL UA
14 records

Stromboli

Active

Triticum aestivum L. · Bread wheat

SARL ADRIEN MOMONT ET FILS, FR

FR HR IT SK UA
13 records

Festival

Active

Triticum aestivum L. · Bread wheat

Tina Henriksson

EE FR LT PL SE
17 records

Famulus

Active

Triticum aestivum L. · Bread wheat

DEUTSCHE SAATVEREDELUNG AG

EE LT LV UA
11 records

Airbus

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG IT RO SK
12 records

Taifun

Active

Triticum aestivum L. · Bread wheat

Probstdorfer Saatzucht Ges.m.b.H & Co KG

AT HU LT UA
13 records

LG Armstrong

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG FR HU RO
12 records

KWS Eternel

Active

Triticum aestivum L. · Bread wheat

KWS Momont, F

FR HR IT SK
11 records

Hylux

Active

Triticum aestivum L. · Bread wheat

Volker Lein

FR HU PL UA
10 records

Alcantara

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG FR HU RO
12 records

KWS Lazuli

Active

Triticum aestivum L. · Bread wheat

SARL ADRIEN MOMONT ET FILS, FR

FR IT UA
13 records

KWS Starlight

Active

Triticum aestivum L. · Bread wheat

Reiner, Bothe Erhard, Ebmeyer

EE LT LU NL UA
14 records

Ilias

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe S.A.

AT LT NL SK UA
11 records

Cubus

Active

Triticum aestivum L. · Bread wheat

Rainer Bouze

EE LT LV PL UA
15 records

Calixo

Active

Triticum aestivum L. · Bread wheat

Secobra Saatzucht

EE FI LT LV
14 records

Baletka

Active

Triticum aestivum L. · Bread wheat

Ragt, F

HU PL UA
11 records

RGT Kreuzer

Active

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

DK NL PL SE UA
11 records

KWS Donovan

Active

Triticum aestivum L. · Bread wheat

Nina Pfeiffer

AT LT PL UA
10 records

Wpb Mylo

Active

Triticum aestivum L. · Bread wheat

Wiersum Plantbreeding B.V.

EE LT NL PL
10 records

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