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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.

RGT Kilimanjaro

Active

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

FI FR LT PL
11 records

Moschus

Active

Triticum aestivum L. · Bread wheat

Strube-Dieckmann GmbH&Co.KG

EE LU PL UA
11 records

KWS Dacanto

Protection expired

Triticum aestivum L. · Bread wheat

KWS Lochow

BE DK LT PL
8 records

Granus

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

EE LT PL UA
8 records

Champion

Active

Triticum aestivum L. · Bread wheat

Florimond Desprez Veuve et Fils, FR

DK FR IE NL
13 records

Bakfis

Active

Triticum aestivum L. · Bread wheat

RAGT Czech s.r.o.,CZ

HR HU LT SK
9 records

Drifter

Active

Triticum aestivum L. · Bread wheat

TAYLOR MIKE

AT BE NL
12 records

Matthus

Active

Triticum aestivum L. · Bread wheat

STRUBE GMBH&CO.KG

HU LT UA
8 records

KWS Extase

Active

Triticum aestivum L. · Bread wheat

SARL ADRIEN MOMONT ET FILS, FR

DK FR LU NL
13 records

Iridium

Active

Triticum aestivum L. · Bread wheat

SARL ADRIEN MOMONT ET FILS, FR

FR LT SK
9 records

Celebrity

Active

Triticum aestivum L. · Bread wheat

SAS Florimond Desprez Veuve & Fils

ES FR LT UA
13 records

Azimut

Active

Triticum aestivum L. · Bread wheat

STRAGLIATI, Jayne, FR

BG FR HR RO
11 records

RGT Borsalino

Active

Triticum aestivum L. · Bread wheat

RAGT 2n

ES FR IT
11 records

Solveig

Active

Triticum aestivum L. · Bread wheat

Caussade Semences, F

FR IT
11 records

Graham

Active

Triticum aestivum L. · Bread wheat

Syngenta UK Ltd

FR IE NL
11 records

Foxyl

Active

Triticum aestivum L. · Bread wheat

Sarl Adrien Momont, FR

FR HR HU
11 records

Cellule

Active

Triticum aestivum L. · Bread wheat

SAS FLORIMOND DESPREZ VEUVE and FILS

FR HR HU
13 records

Complice

Active

Triticum aestivum L. · Bread wheat

S.A.S. Florimond Desprez Veuve & Fils

ES FR NL
11 records

Nimfa

Active

Triticum aestivum L. · Bread wheat

Stacja Hodowli Roślin MODZURÓW Grupa Szelejewo sp. z o.o.

LT PL
10 records

Accroc

Active

Triticum aestivum L. · Bread wheat

Serasem S.A.S.

FR IT
9 records

Negev

Active

Triticum aestivum L. · Bread wheat

HAZERA SEEDS BV

ES
8 records

Architekt

Active

Triticum aestivum L. · Bread wheat

Dieter Stelling

EE LT UA
11 records

SU Willem

Active

Triticum aestivum L. · Bread wheat

W. von Borries-Eckendorf GmbH & Co.KG

FI LT PL UA
11 records

KWS Peplum

Active

Triticum aestivum L. · Bread wheat

KWS Momont, F

FR HR IT UA
13 records

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