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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 Apilco

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, FR

BG FR HU RO SK
16 records

Athlon

Active

Triticum aestivum L. · Bread wheat

Volker Lein

EE FR HU LT UA
15 records

Rumor

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH & Co. KG, D- 38387 Sollingen

DK LT UA
12 records

KWS Emil

Active

Triticum aestivum L. · Bread wheat

KWS Lochow

EE LT LV UA
15 records

Nogal

Active

Triticum aestivum L. · Bread wheat

SAS FLORIMOND-DESPREZ Veuve et Fils

ES HR IT RO
19 records

Tobak

Active

Triticum aestivum L. · Bread wheat

W. von Borries-Eckendorf GmbH & Co.KG

EE FR LT PL UA
15 records

Faustus

Active

Triticum aestivum L. · Bread wheat

Strube, D

BE FR HU LT UA
16 records

Anapurna

Active

Triticum aestivum L. · Bread wheat

Nickerson International Research SNC, F

BG FR HU IT RO
16 records

SU Mangold

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH & Co. KG, DE

DK EE FR LT PL UA
14 records

Artist

Active

Triticum aestivum L. · Bread wheat

SAATZUCHT FIRLBECK GMBH and CO KG

EE HU LT LV PL UA
12 records

Kapitol

Active

Triticum aestivum L. · Bread wheat

Secobra Saatzucht

DK EE LT NL PL
15 records

Ludwig

Active

Triticum aestivum L. · Bread wheat

SAATZUCHT DONAU GES.M.B.H. & COKG

AT FR HR HU PL SI
15 records

LG Abilene

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe SA (FR)

BG FR HU RO SK UA
14 records

Faxe

Active

Triticum aestivum L. · Bread wheat

Sejet Planteforaedling I,S

EE LT PL SE UA
13 records

LG Arnova

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG FR IT SK UA
16 records

Ténor

Active

Triticum aestivum L. · Bread wheat

Unisigma GIE Recherche et Selection (FR)

FR HR IT PT UA
19 records

LG Aneri

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, FR

HU RO SK UA
13 records

LG Astrolabe

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG FR HU IT RO
14 records

LG Ascona

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG FR HU IT RO
15 records

Estivus

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

AT BE PL UA
11 records

Apache

Active

Triticum aestivum L. · Bread wheat

Nickerson SA (FR)

BG FR HR RO
15 records

WPB Troy

Active

Triticum aestivum L. · Bread wheat

WIERSUM PLANTBREEDING

EE FI LT PL UA
14 records

Altigo

Active

Triticum aestivum L. · Bread wheat

Nickerson International Research S.N.C.

BG FR HU RO SK UA
13 records

LG Asterion

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, F

BG ES FR HU RO SK
13 records

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