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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.

Triticum aestivum L. · Bread wheat

KWS UK LTD

IE
7 records

Goplana

Active

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

DK PL
5 records

Anzio

Active

Triticum aestivum L. · Bread wheat

APSOVSEMENTI S.P.A.

IT UA
5 records

Amistad

Active

Triticum aestivum L. · Bread wheat

APSOVSEMENTI S.P.A.

FR IT
5 records

Bastei

Active

Triticum aestivum L. · Bread wheat

Deutsche Saatveredelung AG^^^Delley Semences et Plantes (DSP) S.A.^^^Agroscope (Changins)

EE LT
6 records

Ambicja

Active

Triticum aestivum L. · Bread wheat

Prezemyslaw Matysik

PL UA
6 records

Astrid

Active

Triticum aestivum L. · Bread wheat

SELGEN A.S

LT
8 records

Sanremo

Active

Triticum aestivum L. · Bread wheat

SARL ADRIEN MOMONT ET FILS, FR

FR
5 records

Triticum aestivum L. · Bread wheat

RAGT 2N S.A.S

FR
6 records

Triticum aestivum L. · Bread wheat

Centrum výskumu rastlinnej výroby (CVRV) Pieštany

SK
5 records

Merkawa

Active

Triticum aestivum L. · Bread wheat

Hodowla Roslin Smolice Sp.z o.o Grupa IHAR

PL
6 records

Triticum aestivum L. · Bread wheat

Danko Hodowla Roslin Sp.z.o.o.

PL
6 records

Blasco

Active

Triticum aestivum L. · Bread wheat

CO.NA.SE SOC.COOP.AGR

IT
5 records

Bisanzio

Active

Triticum aestivum L. · Bread wheat

Apsovsementi S.p.A., Co.Na.Se. Soc. Coop. Agr.

IT
6 records

Anversa

Active

Triticum aestivum L. · Bread wheat

Apsovsementi, I

IT
7 records

FD 13105

Active

Triticum aestivum L. · Bread wheat

FLORIMOND DESPREZ VEUVE ET FILS

ES IT
2 records

Triticum aestivum L. · Bread wheat

VLASENKO VOLODYMYR, KYRYLENKO VIRA, ZAIMA OLEKSII, YURCHENKO TETIANA, KHOMENKO SVITLANA, HUMENIUK OLEKSANDR, DUBOVYK NATALIIA, VOLOHDINA HALYNA, ZAMLILA NINA, DEMYDOV OLEKSANDR

UA
3 records

Triticum aestivum L. · Bread wheat

BLYZNIUK BOHDANA, DUBOVYK NATALIIA, HUDZENKO VOLODYMYR, ZAMLILA NINA, KYRYLENKO VIRA, HUMENIUK OLEKSANDR, KOCHMARSKYI VALENTYN, DERHACHOV OLEKSANDR, DEMYDOV OLEKSANDR, PIRYCH ALINA

UA
3 records

Triticum aestivum L. · Bread wheat

Dubova Oksana Anatoliivna, Chaika Anatolii Mykolaiovych, Burdeniuk-Tarasevych Larysa Antonivna,

UA
3 records

Triticum aestivum L. · Bread wheat

Babaiants Lazar Tihranovych, Holub IEvheniia Anatoliivna, Honcharuk Nina Oleksandrivna, Lytvynenko Mykola Antonovych, Lytvynenko Raisa Ivanivna, Reshetnikova Valentyna Semenivna, Rubakha Serhii Andriiovych, Solomonov Ruslan Viacheslavovych, Parfentiev Myk

UA
3 records

Triticum aestivum L. · Bread wheat

SIROSHTAN ANDRII, MURASHKO LIUDMYLA, VOLOHDINA HALYNA, ZAMLILA NINA, KOLOMIIETS LIDIIА, HUMENIUK OLEKSANDR, DERHACHOV OLEKSANDR, DEMYDOV OLEKSANDR, KOCHMARSKYI VALENTYN, KYRYLENKO VIRA

UA
3 records

Fasan

Protection expired

Triticum aestivum L. · Bread wheat

DK LV SK
8 records

Jaarli

Active

Triticum aestivum L. · Bread wheat

EE FI
5 records

Bona Dea

Active

Triticum aestivum L. · Bread wheat

SK
5 records

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