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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.

Cadenza.

Protection expired

Triticum aestivum L. · Bread wheat

PLANT BREEDING INTERNATIONAL CAMBRIDGE

DK FR IE NL PL SE
17 records

RGT Cesario

Active

Triticum aestivum L. · Bread wheat

Societé RAGT 2N,FR

FR HR
7 records

SU Astragon

Active

Triticum aestivum L. · Bread wheat

Saaten Union Recherche SARL, Estrées-Saint -Denis FR

FR HU
8 records

Hyno esta

Application submitted

Triticum aestivum L. · Bread wheat

Hybrinova Sa (FR)

BE FR
8 records

BG Ikona 2S

Active

Triticum aestivum L. · Bread wheat

Borislav Kobiljski

BG UA
8 records

Mulan

Active

Triticum aestivum L. · Bread wheat

Saaten-Union

BE EE HR HU LT PL +2
24 records

Skagen

Active

Triticum aestivum L. · Bread wheat

W. von Borries-Eckendorf GmbH & Co.KG

EE FI LT LU LV PL +2
23 records

Balitus

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau, A

BG EE FR HR HU LT +4
22 records

Quintus

Active

Triticum aestivum L. · Bread wheat

WIERSUM PLANTBREEDING

EE FR IE LT LU NL +2
21 records

Etana

Active

Triticum aestivum L. · Bread wheat

Deutsche Saatveredelung AG, D-59557 Lippstadt

EE FI HU LT LV PL +1
20 records

Triso

Active

Triticum aestivum L. · Bread wheat

I.G. Saatzucht (DE)

AT EE FR HU LT LV +3
22 records

Soissons

Active

Triticum aestivum L. · Bread wheat

SAS FLORIMOND-DESPREZ Veuve et Fils

BE ES FR HR IE IT +2
22 records

Chevignon

Active

Triticum aestivum L. · Bread wheat

SAATEN UNION RECHERCHE

BE FR HU LT LU PL +1
19 records

Arktis

Active

Triticum aestivum L. · Bread wheat

Schlieter Bernd, Busch Heinrich,

AT EE LT LV PL UA
16 records

Akratos

Active

Triticum aestivum L. · Bread wheat

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

EE FR HR LT SE UA
14 records

Patras

Active

Triticum aestivum L. · Bread wheat

DEUTSCHE SAATVEREDELUNG AG

EE LT LU LV PL UA
16 records

Cornetto

Active

Triticum aestivum L. · Bread wheat

Secobra Saatzucht

AT EE FI LT LU LV +1
18 records

LG Absalon

Active

Triticum aestivum L. · Bread wheat

Limagrain Europe, FR

BG FR IT RO SK UA
18 records

Renan

Active

Triticum aestivum L. · Bread wheat

INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR

AT BE BG FR HR RO +1
18 records

Tybalt

Active

Triticum aestivum L. · Bread wheat

Wiersum Plantbreeding B.V.

EE FR LT LU NL PL +1
20 records

Tacitus

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT HR HU LT PL SK +1
12 records

Torrild

Active

Triticum aestivum L. · Bread wheat

W. von Borries-Eckendorf GmbH & Co.KG

HU LT LV PL SK UA
15 records

KWS Magic

Active

Triticum aestivum L. · Bread wheat

KWS Lochow, D

AT BE DK HR PL SK
13 records

Bonanza

Active

Triticum aestivum L. · Bread wheat

W. von Borries-Eckendorf GmbH & Co.KG

DK EE LT PL UA
14 records

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