Diseases
Septoria
Septoria leaf blotch is a complex fungal disease of cereal crops, manifesting as leaf and glume blotch, leading to tissue necrosis and yield reduction.
Mentioned in descriptions 4 644 varieties reference book.
The disease is caused by fungi of the genus Septoria and related species, which infect all above-ground parts of plants. Light beige or grey-brown spots form on leaves and stems, and black dots, known as pycnidia, develop on their surface over time. The disease is dangerous in temperate climates with high humidity and frequent rainfall.
Pathogen development depends on weather factors, particularly temperatures in the range of +15…+25 °C and air humidity above 80%. The disease leads to a reduction in the photosynthetic area, grain shriveling, and a decline in baking quality. The level of loss varies from 10–15% in normal years to 50% during epiphytotics.
Varietal resistance is divided into vertical, based on specific Stb genes, and horizontal, which is considered more long-lasting. Horizontal resistance is determined by morphological characteristics: cuticle density, pubescence, the presence of a waxy bloom, and lack of sensitivity to fungal toxins.
Resistance evaluation in variety trials is conducted using infectious-provocative backgrounds, visual assessment of the degree of infection, and laboratory methods, including molecular diagnostics. The obtained data are compared with reference indicators to determine the effectiveness of variety protection under specific conditions.
Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.
Triticum durum Desf. · Durum wheat
S.I.S. SOCIETA' ITALIANA SEMENTI
x Triticosecale Wittm. ex A. Camus · Triticale
Societa Produttori Sementi S.p.A
Triticum aestivum L. · Bread wheat
LYFENKO SAVELIJ FILIPPOVICh / ERINYaK NIKOLAJ IVANOVICh / FEDChENKO VLADIMIR PAVLOVICh / NARGAN TAT'YaNA PAVLOVNA / NAKONEChNYJ NIKOLAJ YuR'EVICh / BREDINSKAYa NADEZhDA STEPANOVNA / RODENKO GALINA ANATOL'EVNA / BOSAKOVSKAYa NATAL'Ya YuR'EVNA / D'YaChENKO
x Triticosecale Wittm. ex A. Camus · Triticale
Saaten Union Recherche (FR)
Triticum durum Desf. · Durum wheat
SEMILLAS BATLLE, S.A.
Triticum aestivum L. · Bread wheat
Lietuvos agrarinių ir miškų mokslų centras
Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt
Friedrich Longin
Triticum durum Desf. · Durum wheat
SEMILLAS BATLLE S.A.
x Triticosecale Wittm. ex A. Camus · Triticale
Lochow-Petkus GmbH (DE)
Triticum aestivum L. · Bread wheat
Danko Hodowla Roslin Sp.z.o.o.
Triticum aestivum L. · Bread wheat
Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR
Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt
Friedrich Longin
Helianthus annuus L. · Sunflower
PARIJ YaROSLAV FEDOROVICh / PARIJ MIROSLAV FEDOROVICh / ZOLOTAREV KONSTANTIN MITROFANOVICh / YaKOVENKO ANATOLIJ ALEKSANDROVICh
Triticum aestivum L. · Bread wheat
Marinin Liubov Ivanivna, Lytvynenko Raisa Ivanivna, Kostiuk Stanislav Vasyl`ovych, Parfentiev Mykhailo Hryhorovych, Babaiants Lazar Tihranovych, Reshetnikova Valentyna Semenivna, Ptashenchuk Oleksandr Mykytovych, Honcharuk Nina Oleksandrivna, Lytvynenko M
Triticum aestivum L. · Bread wheat
Biogranum d.o.o. (RS)
Triticum aestivum L. · Bread wheat
Biogranum d.o.o. (RS)
Triticum durum Desf. · Durum wheat
Eurodur S.A.
Triticum aestivum L. · Bread wheat
SEMILLAS BATLLE S.A.
Triticum durum Desf. · Durum wheat
Monsanto Agricultura España S.L.U.
Triticum aestivum L. · Bread wheat
Florimond Desprez Veuve et Fils, FR
Glycine max (L.) Merr. · Soybean
ALAIN LETOURNEAU
x Triticosecale Wittm. ex A. Camus · Triticale
Stephanie Franck
Triticum aestivum L. · Bread wheat
LEMAIRE DEFFONTAINES SEMENCES
Sinapis alba L. · White mustard
Michaela Schlathölter