Evaluation of Resistance to Stem Rust and Identification of Sr Genes in Russian Spring and Winter Wheat Cultivars in the Volga Region

Баранова, О. А.; Solyanikova, Valeriya; Kyrova, Elena I.; Konkova, E. A.; Гапонов, С. А.; Sergeev, Valery; Shevchenko, Sergey; Mal’chikov, Pyotr; Dolzhenko, Dmitrij; Bespalova, L. A.; Ablova, I. B.; Tarhov, Aleksandr; Василова, Н З; Askhadullin, D. F.; Askhadullin, Danil; Sibikeev, S. N.

doi:10.3390/agriculture13030635

Cited by 7 publications

(5 citation statements)

References 33 publications

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“…The Sr31 is an effective Ug99 stem rust population. In contrast, Baranova et al (2023) stated that Sr31 gene was not shown resistance to Ug99. In 2014, Sr50 virulence isolate was found in the greenhouse but this gene is still effective against Ug99 and its derivatives.…”

Section: Discussionmentioning

confidence: 95%

“…As reported previous studies, the combination of the Sr25 gene with the Sr6Agi gene were widely preferred in wheat breeding to stem rust. However,Baranova et al (2023) indicated that wheat cultivars carrying only Sr25 gene were susceptible to Pgt. In a study conducted byXu et al (2018) found that two wheat cultivars are likely to carry this gene pedigree information.…”

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confidence: 99%

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Evaluation of Resistance to Stem Rust and Identification of Sr Genes in Bread Wheat Cultivars in Türkiye

Çat

2023

Preprint

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Stem rust caused by Puccinia graminis f. sp. tritici (Pgt) is more destructive disease of wheat on a global scale. In this study, reactions of the 150 bread wheat cultivars were evaluated on the natural Pgt infection at adult-plant stage in 2020 and 2021 and they were also analyzed by using the specific molecular markers to detect resistance genes (Sr22, Sr24, Sr25, Sr26, Sr31, Sr38, Sr50 and Sr57). Based on the phenotypic data, the majority of the cultivars (62%) showed resistance/moderate resistance reactions to natural Pgt infection. According to the molecular findings, the genes Sr57 (in 103 cultivars), Sr50 (in nine cultivars), Sr25 (in six cultivars) and Sr22, Sr31 and Sr38 (in one cultivar) and their combinations Sr25 + Sr50, Sr31 + Sr57, Sr38 + Sr50, Sr38 + Sr57 were detected in these cultivars. However, Sr24 and Sr26 were determined none of them. These resistance genes were identified for the first time during this study. In addition, the findings may be used to develop resistant cultivars in rust disease breeding programs.

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Section: Discussionmentioning

confidence: 95%

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confidence: 99%

Evaluation of Resistance to Stem Rust and Identification of Sr Genes in Bread Wheat Cultivars in Türkiye

Çat

2023

Preprint

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“…As previous studies have reported, the combination of the Sr25 gene with the Sr6Agi gene is widely preferred in wheat breeding to stem rust. However, Baranova et al (2023) indicated that wheat varieties carrying only Sr25 were susceptible to Pgt . In a study conducted by Xu et al (2018) , two wheat varieties carried this gene pedigree information.…”

Section: Discussionmentioning

confidence: 99%

“… Abou-Zeid et al (2023) stated that the resistance genes Sr22 , Sr25 , Sr26 , and Sr50 may currently be the most helpful race-specific resistance genes, depending on how they are used in combination. Most previous studies on this subject have been carried out by various researchers who have identified the frequency of different Sr resistance genes in wheat varieties from different countries ( Baranova et al, 2023 ; Kelbin et al, 2022 ; Li et al, 2016 ; Lin et al, 2021 ; Xu et al, 2018 , 2017 ).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of genetic variation and host resistance to wheat stem rust pathogen (Puccinia graminis f. sp. tritici) in bread wheat (Triticum aestivum L.) varieties grown in Türkiye

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2024

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Wheat stem rust, which is caused by Puccinia graminis f. sp. tritici (Pgt), is a highly destructive disease that affects wheat crops on a global scale. In this study, the reactions of 150 bread wheat varieties were evaluated for natural Pgt infection at the adult-plant stage in the 2019–2020 and 2020–2021 growing seasons, and they were analyzed using specific molecular markers to detect stem rust resistance genes (Sr22, Sr24, Sr25, Sr26, Sr31, Sr38, Sr50, and Sr57). Based on phenotypic data, the majority of the varieties (62%) were resistant or moderately resistant to natural Pgt infection. According to molecular results, it was identified that Sr57 was present in 103 varieties, Sr50 in nine varieties, Sr25 in six varieties, and Sr22, Sr31, and Sr38 in one variety each. Additionally, their combinations Sr25 + Sr50, Sr31 + Sr57, Sr38 + Sr50, and Sr38 + Sr57 were detected in these varieties. On the other hand, Sr24 and Sr26 were not identified. In addition, many varieties had low stem rust scores, including a large minority that lacked Sr57. These varieties must have useful resistance to stem rust and could be the basis for selecting greater, possibly durable resistance.

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“…Отечественные фитопатологи и селекционеры ведут постоянный поиск сортов и линий с высокими иммунологическими и другими селекционно ценными свойствами (Pakholkova et al, 2022;Sibikeev et al, 2022;Baranova et al, 2023). В производстве должны преимущественно возделываться сорта пшеницы с долговременной неспецифической устойчивостью (Kharina, Sheshegova, 2021).…”

Section: материалы и методыunclassified

Resistance of spring bread wheat cultivars and lines to Septoria leaf blotch, tan spot, and spot blotch pathogens

Zeleneva,

Sudnikovа,

Kovalenkо

et al. 2023

Trudy po prikladnoy botanike, genetike i selektsii

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Background. Leaf and stem diseases of cereal crops are among the most harmful in the agrocenoses of Tambov Province, significantly reducing grain yield and rapidly progressing in many regions of Russia. The aim of the study was to identify spring bread wheat lines and cultivars developed at the Middle-Russian Branch of the I.V. Michurin Federal Science Center that show resistance to leaf and stem diseases.Materials and methods. The target material was represented by 3 cultivars and 23 breeding lines of spring bread wheat. Disease resistance in seedlings was assessed in the laboratory, while for adult plants the process was carried out in the field in 2020–2022. The presence of the Tsn1 allele controlling susceptibility to the PtrToxA fungal toxin was detected using the Xfcp623 molecular marker.Results and conclusions. Accessions with high levels of resistance to Zymoseptoria tritici were identified: L-8252, L-82/60, L-8107, L-8078(23), L-43-9, L-43-1, L-4, Stb-8/15, Stb-7/15, and Stb-92. Accessions Stb-97, Stb-89, Stb-89(a), Stb-90, Stb-34, and Rl-6-22 were resistant to Parastagonospora nodorum; L-8134, L-8114, L-82/60, L-8107, Stb-10/15, Stb-9/15, Stb-8/15, Stb-7/15, Stb-97, Stb-89, Stb-89(a), Stb-90, Stb-34, and Rl-6-22 to P. pseudonodorum; L-8252, L-8107, L-43-9, L-43-1, L-4, Stb10/15, Stb-9/15, Stb-97, Stb-92, Stb-92(a), Stb-89, Stb-89(a), and Stb-34 to Pyrenophora tritici-repentis; and L-8114, L-82/60, L-43-9, L-43-1, L-4, Stb-90, Stb-34, and Rl-6-22 to Bipolaris sorokiniana. The cultivars and breeding lines showed group resistance to two, three or four pathogens. It was Lines L-8252, L-8134, L-82/60, L-8107, L-8078 (23), L-43-9, L-43-1, L-4, Stb-89, Stb-90, Stb-34, and L-33809-7-3 were observed to carry the recessive allele of the tsn1 gene.

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Evaluation of Resistance to Stem Rust and Identification of Sr Genes in Russian Spring and Winter Wheat Cultivars in the Volga Region

Cited by 7 publications

References 33 publications

Evaluation of Resistance to Stem Rust and Identification of Sr Genes in Bread Wheat Cultivars in Türkiye

Evaluation of Resistance to Stem Rust and Identification of Sr Genes in Bread Wheat Cultivars in Türkiye

Evaluation of genetic variation and host resistance to wheat stem rust pathogen (Puccinia graminis f. sp. tritici) in bread wheat (Triticum aestivum L.) varieties grown in Türkiye

Resistance of spring bread wheat cultivars and lines to Septoria leaf blotch, tan spot, and spot blotch pathogens

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