Diseases
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.
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 Lochow
Triticum aestivum L. · Bread wheat
KWS MOMONT RECHERCHE SARL, FR
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
Triticum aestivum L. · Bread wheat
Nordsaat Saatzucht GmbH Saatzucht Langenstein
Triticum aestivum L. · Bread wheat
SINA ISABEL STRUBE
Triticum aestivum L. · Bread wheat
Unisigma GIE (FR)/Societe Europeenne de Semences NV/SA (BE)
Triticum aestivum L. · Bread wheat
Saatzucht Donau GmbH, Probstdorf AT
Triticum aestivum L. · Bread wheat
Plant Breeding International Cambridge Ltd (GB)
Triticum aestivum L. · Bread wheat
Wiersum Plantbreeding B.V.
Triticum aestivum L. · Bread wheat
Schweiger Weizen Gesellschaft Bürgerlichen Rechts
Triticum aestivum L. · Bread wheat
Pflanzenzucht Oberlimpurg
Triticum aestivum L. · Bread wheat
INSTITUTE OF PLANT SCIENCE
Triticum aestivum L. · Bread wheat
Wiersum Plantbreeding B.V.
Triticum aestivum L. · Bread wheat
Secobra Recherches
Triticum aestivum L. · Bread wheat
LUIGI SAMOGGIA
Triticum aestivum L. · Bread wheat
Florimond Desprez Veuve et Fils, FR
Triticum aestivum L. · Bread wheat
NICKERSON (UK)
Triticum aestivum L. · Bread wheat
Nordsaat Saatzucht GmbH Saatzucht Langenstein
Triticum aestivum L. · Bread wheat
Asur Plant Breeding SAS
Triticum aestivum L. · Bread wheat
Syngenta Participations AG
Triticum aestivum L. · Bread wheat
Nickerson International Research S.N.C.
Triticum aestivum L. · Bread wheat
Caussade Semences SA (FR)
Triticum aestivum L. · Bread wheat
RAGT 2N S.A.S
Triticum aestivum L. · Bread wheat
Florimond Desprez Veuve et Fils, FR