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Diseases

Septoria leaf blotch

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.

Sources10

Breakdown by crop

Found in these crops

Varieties that feature this in their description

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.

Nany

Active

Triticum aestivum L. · Bread wheat

Institute of genetic resources -Sadovo(BG)

BG
1 record

Triticum durum Desf. · Durum wheat

Kharchenko Mykhailo Volodymyrovych, Kovalyshyna Hanna Mykolaivna, Hudzenko Volodymyr Mykolaiovych, Kochmarskyi Valentyn Serhiiovych, Fedorenko Maryna Viktorivna, Solona Valentyna Iosypivna, Khomenko Svitlana Olehivna, Demydov Oleksandr Anatoliiovych,

UA
2 records

Triticum aestivum L. · Bread wheat

DEMYDOV OLEKSANDR, VLASENKO VOLODYMYR, PRAVDZIVA IRYNA KOCHMARSKYI VALENTYN, KHOMENKO SVITLANA, FEDORENKO MARYNA, SOLONA VALENTYNA, BLYZNIUK RUSLAN

UA
2 records

Triticum aestivum L. · Bread wheat

Blyzniuk Ruslan Mykolaiovych, Siroshtan Andrii Anatoliiovych, Hudzenko Volodymyr Mykolaiovych, Fedorenko Maryna Viktorivna, Solona Valentyna Iosypivna, Khomenko Svitlana Olehivna, Demydov Oleksandr Anatoliiovych,

UA
2 records

MIP Assol

Application submitted

Triticum aestivum L. · Bread wheat

Siroshtan Andrii Anatoliiovych, Suddenko IUliia Mykolaivna, Hudzenko Volodymyr Mykolaiovych, Derhachov Oleksandr Leonidovych, Zamlila Nina Petrivna, Cheremkha Olena Maksymivna, Humeniuk Oleksandr Volodymyrovych, Volohdina Halyna Borysivna, Kochmars`kyi V

UA
2 records

Triticum durum Desf. · Durum wheat

Murashko Liudmyla Anatoliivna, Chuhunkova Tetiana Volodymyrivna, Solona Valentyna Iosypivna, Kuzmenko IEvhen Anatoliiovych, Fedorenko Maryna Viktorivna, Khomenko Svitlana Olehivna, Demydov Oleksandr Anatoliiovych,

UA
2 records

Triticum aestivum L. · Bread wheat

Zabolotnyi Viktor Ivanovych, Pravdziva Iryna Volodymyrivna, Pirych Alina Volodymyrivna, Murashko Liudmyla Anatoliivna, Kavunets` Valerii Petrovych, Zamlila Nina Petrivna, Kyrylenko Vira Viktorivna, Kochmarskyi Valentyn Serhiiovych, Volohdina Halyna Borysi

UA
2 records

Triticum durum Desf. · Durum wheat

Demydov Oleksandr, Kochmarskyi Valentyn, Hudzenko Volodymyr, Khomenko Svitlana, Solona Valentyna, Vlasenko Volodymyr, Fedorenko Maryna, Kuzmenko Yevhenii, Mukha Tetiana, Murashko Liudmyla

UA
2 records

Triticum aestivum L. · Bread wheat

Humeniuk Oleksandr Volodymyrovych, Kyrylenko Vira Viktorivna, Kolomiiets Lidiia Andriivna, Kozub Nataliia Oleksandrivna, Volohdina Halyna Borysivna, Siroshtan Andrii Anatoliiovych, Blyzniuk Bohdana Valeriivna, Dubovyk Nataliia Serhiivna, Kochmarskyi Vale

UA
2 records

Maliuk

Active

x Triticosecale Wittm. ex A. Camus · Triticale

Shcypak Vasyl Hennadiiovych, Sviatchenko Serhii Ivanovych, Shcypak Hennadii Vasylovych, Maliienko Mykola Vasylovych,

UA
2 records

Losynivs`ke

Terminated

x Triticosecale Wittm. ex A. Camus · Triticale

Pikovs`kyi Myroslav Iosypovych, Yakubenko Borys IEvdokymovych, Kyryk Mykola Mykolaiovych, Vasiuk Mykola Hryhorovych, Horhan Nadiia Oleksandrivna, Horhan Mykhailo Dmytrovych,

UA
2 records

Limit

Active

Helianthus annuus L. · Sunflower

Titov Serhii Ivanovych, Burlov Viktor Viktorovych, Burlov Viktor Vasylovych,

UA
2 records

Madiarka

Terminated

Triticum aestivum L. · Bread wheat

Artemchuk Iryna Petrivna, Lohvynenko Valentyna Fedorivna, Morhun Volodymyr Vasylovych, Koliuchyi Vasyl` Trokhymovych, Sorokin Volodymyr Valentynovych, Cheremkha Olena Maksymivna, Volohodina Halyna Borysivna, Zamlila Nina Petrivna, Lebedieva Halyna Danyliv

UA
2 records

Kupalynka

Terminated

Secale cereale L. · Rye

Liutarevych Valentyna Eduardivna, Serheienko Volodymyr Ivanovych, Mikhnovets Tamara Volodymyrivna, Biriukovych Tetiana Volodymyrivna, Urban Eroma Petrovych,

UA
1 record

Triticum aestivum L. · Bread wheat

Lozins`kyi Mykola Vladyslavovych, Chaika Anatolii Mykolaiovych, Dubova Oksana Anatoliivna, Burdeniuk - Tarasevych Larysa Anatoliivna,

UA
2 records

x Triticosecale Wittm. ex A. Camus · Triticale

Shcechenko Olha IEvheniivna, Melnyk Vira Serhiivna, Kapustina Tetiana Borysivna, Chernobai Serhii Volodymyrovych, Riabchun Viktor Kuzmych,

UA
2 records

Kuial`nyk

Terminated

Triticum aestivum L. · Bread wheat

Rodenko Halyna Anatoliivna, Babaiants Lazar Tihranovych, Poperelia Fedir Oleksandrovych, Fedchenko Volodymyr Pavlovych, Yeryniak Mykola Ivanovych, Lyfenko Savelii Pylypovych,

UA
2 records

Kryzhynka

Terminated

Triticum aestivum L. · Bread wheat

Lhvinenko Valentyna Fedorivna, Morhun Volodymyr Vasylovych, Remeslo Volodymyr Vasyl`ovych, Vlasenko Volodymyr Anatoliiovych, Kolomiiets` Lidiia Andriivna, Zhyvotkov Leonid Oleksandrovych, Shelepov Volodymyr Vasyl`ovych,

UA
2 records

Kolektyvna 3

Terminated

Triticum aestivum L. · Bread wheat

Zhyvotkov Leonid Oleksandrovych, Solona Valentyna Iosypivna, Vlasenko Volodymyr Anatoliiovych, Holik Viktor Stepanovych, Alad'in Volodymyr Serafymovych, Panchenko Ivan Arkhypovych, Blokhin Mykola Ivanovych,

UA
2 records

Kolonia

Active

Triticum aestivum L. · Bread wheat

Thierry Ronsin

UA
2 records

Triticum aestivum L. · Bread wheat

Artemchuk Iryna Petrivna, Lohvynenko Valentyna Fedorivna, Morhun Volodymyr Vasylovych, Ischenko Volodymyr Ivanovych, Koliuchyi Vasyl` Trokhymovych, Basanets` Hanna Stepanivna, Bershads`ka Liudmyla Petrivna, Vlasenko Volodymyr Anatoliiovych, Dubovyi Volody

UA
2 records

Triticum aestivum L. · Bread wheat

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

UA
2 records

Hratsiia

Active

Triticum aestivum L. · Bread wheat

Dvorets`kyi Volodymyr Frantsevych, Vozhehova Raisa Anatolivna, Usyk Liudmyla Oleksandrivna, Orliuk Anatolii Pavlovych,

UA
6 records

Triticum aestivum L. · Bread wheat

Mukha Tetiana Ivanivna, Siroshtan Andrii Anatoliiovych, Zamlila Nina Petrivna, Volohdina Halyna Borysivna, Humeniuk Oleksandr Volodymyrovych, Kochmarskyi Valentyn Serhiiovych,

UA
2 records

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