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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.

Tonacja

Active

Triticum aestivum L. · Bread wheat

NITA ZYGMUNT O. STANISLAW / PLUCIENNICZAK ELZBIETA, TERESA O JAN / PAKULSKA HANNA O. TADEUSZ / RYDZEWSKI JAN O. FRANCISZEK / BLASZCZAK WOJCIECH O. WLADYSLAW / BLASZCZAK MARIA O, MARIAN / JOACHIM KRZYSZTOF O. KRZYSZTOF

PL UA
8 records

RGT Doubleshot

Active

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

DK IE
7 records

RGT Bairstow

Active

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

DK NL
8 records

Pinokio

Active

Triticum aestivum L. · Bread wheat

Secobra Recherches, F

ES IT
6 records

NS Grivna

Active

Triticum aestivum L. · Bread wheat

Institute of field and vegetable crops, Novi Sad, Serbia

BG HR
6 records

LG Redwald

Active

Triticum aestivum L. · Bread wheat

LIMAGRAIN EUROPE

BE DK
6 records

LG Rebellion

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe S.A.S

BE NL
8 records

KWS Talisker

Active

Triticum aestivum L. · Bread wheat

REINER BOTHE

IE
8 records

LG Tapestry

Active

Triticum aestivum L. · Bread wheat

LIMAGRAIN EUROPE

BE NL
8 records

KWS Firefly

Active

Triticum aestivum L. · Bread wheat

KWS UK LTD

DK
9 records

Illusion

Active

Triticum aestivum L. · Bread wheat

SELGEN A.S

UA
7 records

Frument

Terminated

Triticum aestivum L. · Bread wheat

Sejet Planteforaedling I,S

DK LT
7 records

Flamenko

Active

Triticum aestivum L. · Bread wheat

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

FR IT
7 records

Carmina

Active

Triticum aestivum L. · Bread wheat

SELGEN A.S

SK UA
7 records

Chessum

Active

Triticum aestivum L. · Bread wheat

LEMAIRE DEFFONTAINES S.A.S.

BE HR
9 records

BG Klimatika

Active

Triticum aestivum L. · Bread wheat

Borislav Kobiljski

BG UA
6 records

Claire

Active

Triticum aestivum L. · Bread wheat

Nickerson International Research S.N.C.

IE
8 records

Buzzer

Terminated

Triticum aestivum L. · Bread wheat

SAATEN UNION RECHERCHE

HU PL
6 records

Bravens

Active

Triticum aestivum L. · Bread wheat

Nordic Seed A/S, 8464 Galten

DK UA
6 records

Bandera

Active

Triticum aestivum L. · Bread wheat

Serasem S.A.S.

ES IT
7 records

Balzac

Active

Triticum aestivum L. · Bread wheat

Secobra Recherches, F

FR IT
8 records

Basmati

Active

Triticum aestivum L. · Bread wheat

Sarl Adrien Momont et Fils, F

FR IT
8 records

Antibes

Active

Triticum aestivum L. · Bread wheat

LEMAIRE DEFFONTAINES S.A.S.

BE FR
7 records

Guadalete

Active

Triticum aestivum L. · Bread wheat

FLORIMOND DESPREZ VEUVE ET FILS

ES
7 records

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