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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.

Tribat I33

Active

Triticum aestivum L. · Bread wheat

SEMILLAS BATLLE, S.A.

ES
3 records

Protano

Active

Triticum aestivum L. · Bread wheat

SEMILLAS BATLLE, S.A.

ES
3 records

Zira

Active

Triticum aestivum L. · Bread wheat

Morschads`ka Ol`ha Stepanivna, Yavdoshcenko Mykola Petrovych, Babich IUrii Valentynovych, Postryhan` Viktor Fedorovych, Romanenko Vasyl` Ivanovych,

UA
2 records

Zahadka odeska

Active

Triticum aestivum L. · Bread wheat

Ihnatovskyi Oleksandr Oleksandrovych, Alieksieienko IEvhenii Viktorovych, Reshetnikova Valentyna Semenivna, Lytvynenko Raisa Ivanivna, Honcharuk Nina Oleksandrivna, Holub IEvheniia Anatoliivna, Lytvynenko Mykola Antonovych,

UA
3 records

WOODSTOCK

Terminated

Triticum aestivum L. · Bread wheat

NICKERSON (UK)

IE
3 records

Vyhoda odeska

Active

Triticum aestivum L. · Bread wheat

Rybalka Oleksandr Illich, Reshetnikova Valentyna Semenivna, Alieksieienko IEvhenii Viktorovych, Maksymov Mykola Havrylovych, Lytvynenko Raisa Ivanivna, Holub IEvheniia Anatoliivna, Honcharuk Nina Oleksandrivna, Lytvynenko Mykola Antonovych,

UA
3 records

Wasmond

Active

Triticum aestivum L. · Bread wheat

Strube Research GmbH&Co KG

DE
3 records

Vinzenz

Active

Triticum aestivum L. · Bread wheat

Lorenz Hartl^^^Adalbert Bund^^^Hubert Kempf

DE
3 records

Vanilia

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

PL
4 records

Vahoma

Active

Triticum aestivum L. · Bread wheat

Babaiants Olha Vadymivna, Rodenko Halyna Anatoliivna, Fedchenko Volodymyr Pavlovych, Bosakovska Nataliia IUriivna, Shpykuliak IEvhenii Anatoliiovych, Narhan Tetiana Pavlivna, Nakonechnyi Mykola IUriiovych, Yeryniak Mykola Ivanovych, Lyfenko Savelii Pylypo

UA
3 records

Unis

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

CZ
3 records

Tillsano

Active

Triticum aestivum L. · Bread wheat

Saatzucht Donau GmbH & Co.KG

AT
3 records

Spectral

Active

Triticum aestivum L. · Bread wheat

Sejet Planteforaedling I,S

DE
3 records

SU Juri

Active

Triticum aestivum L. · Bread wheat

W. von Borries-Eckendorf GmbH & Co.KG

DE
3 records

Stakado

Terminated

Triticum aestivum L. · Bread wheat

ABED FONDEN

DK
3 records

STETSON

Terminated

Triticum aestivum L. · Bread wheat

NICKERSON (UK)

IE
3 records

Spadshchyna odeska

Active

Triticum aestivum L. · Bread wheat

Rybalka Oleksandr Illich, Maksymov Mykola Havrylovych, Marinin Liubov Ivanivna, Reshetnikova Valentyna Semenivna, Lytvynenko Raisa Ivanivna, Solomonov Ruslan Viacheslavovych, Holub IEvheniia Anatoliivna, Rubakha Serhii Andriiovych, Honcharuk Nina Oleksand

UA
3 records

Sinatra

Active

Triticum aestivum L. · Bread wheat

SECOBRA RECHERCHES S.A.S

DE
3 records

Serein

Active

Triticum aestivum L. · Bread wheat

Florimond Desprez Veuve et Fils, FR

FR
2 records

Scoop

Withdrawn

Triticum aestivum L. · Bread wheat

SARL ADRIEN MOMONT ET FILS, FR

FR
3 records

SANDOWN

Terminated

Triticum aestivum L. · Bread wheat

P.BREED.INT.CAMBRIDGE

ES
3 records

Samuno

Terminated

Triticum aestivum L. · Bread wheat

ERHARD EBMEYER

DE
3 records

Rusałka

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR

PL
5 records

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