Resistance to diseases in samples of rare wheat species from the N.I. Vavilov All-Russian Institute of Plant Genetic Resources

Kolesova, M. A.; Lysenko, N. S.; Тырышкин, Л. Г.

doi:10.1007/s42976-021-00179-5

Cited by 5 publications

(19 citation statements)

References 32 publications

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“…Leningradka (k-47882) in a light chamber (2500 lux; temperature—20–22 °C; 24 h of daylight). The characteristics of the populations regarding virulence against 50 Pt resistance genes were reported previously [ 20 , 21 ]; only 5 genes ( Lr9 , Lr19 , Lr24 , Lr39 (= Lr41 ), and Lr47 ) were effective against these populations.…”

Section: Methodssupporting

confidence: 56%

“…B. sorokiniana and S. nodorum isolation, multiplication, and preparation for plant inoculation were performed as reported in [ 20 , 21 ].…”

Section: Methodsmentioning

confidence: 99%

“…Seedling resistance to Pt , HLB, SNB and Bgt was studied under laboratory conditions as reported in [ 20 ]; in each experiment, 15–25 plants were evaluated (the concentration of P. triticina spores was 3 × 10 4 mL −1 , that of B. sorokiniana conidia was 3 × 10 4 mL −1 and that of S. nodorum spores was 5 × 10 6 mL −1 ).…”

Section: Methodsmentioning

confidence: 99%

“…Vavilov, possesses good prospective samples to identify sources of valuable characteristics for breeding [ 16 , 17 ]. However, previous studies with bread wheat and its relatives showed very narrow genetic diversity for resistance to modern populations of Pt , HLB, SNB, and Bgt from Russia [ 18 , 19 , 20 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

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Genetic Diversity for Effective Resistance in Wheat Landraces from Ethiopia and Eritrea to Fungal Diseases and Toxic Aluminum Ions

Zuev,

Lebedeva,

Yakovleva

et al. 2024

Plants

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To reveal genetic diversity for effective resistance to five foliar diseases and toxic aluminum ions, the entire collection of wheat species from the N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR) originating from Ethiopia and Eritrea were studied regarding their traits. The collection contains 509 samples of four wheat species (Triticum aestivum—122 samples; T. aethiopicum—340 samples; T. polonicum—6 samples; and T. dicoccum—41 samples). The majority of accessions are new entries of landraces added to the Vavilov collection as a result of the Russian–Ethiopian expedition in 2012. Wheat seedlings were inoculated with causal agents of leaf rust (Pt), powdery mildew (Bgt), Septoria nodorum blotch (SNB), and dark-brown leaf spot blotch (HLB). The types of reaction and disease development were assessed to describe the levels of resistance. All samples of T. aethiopicum were also screened for seedling and adult resistance to Pt, Bgt, and yellow rust (Pst) under field conditions after double inoculation with the corresponding pathogens. To study tolerance to abiotic stress, seedlings were grown in a solution of Al3+ (185 µM, pH 4,0) and in water. The index of root length was used to characterize tolerance. Seedlings belonging to only two accessions out of those studied—k-68236 of T. aethiopicum and k-67397 of T. dicoccum—were resistant to Pt at 20 °C but susceptible at 25 °C. Specific molecular markers closely linked to the five genes for Pt resistance effective against populations of the pathogen from the northwestern region of Russia were not amplified in these two entries after PCR with corresponding primers. Four entries of T. dicoccum—k-18971, k-18975, k-19577, and k-67398—were highly resistant to Bgt. All samples under study were susceptible to HLB and SNB. Under field conditions, 15% of the T. aethiopicum samples were resistant to Pst, both at the seedling and the flag leaf stages, but all were susceptible to the other diseases under study. Among the evaluated samples, 20 entries of T. aestivum, 1 of T. polonicum (k-43765), and 2 of T. dicoccum (k-18971, k-67397) were tolerant to aluminum ions. The identified entries could be valuable sources for the breeding of T. aestivum and other wheats for resistance to biotic and abiotic stresses.

show abstract

Section: Methodssupporting

confidence: 56%

“…B. sorokiniana and S. nodorum isolation, multiplication, and preparation for plant inoculation were performed as reported in [ 20 , 21 ].…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Genetic Diversity for Effective Resistance in Wheat Landraces from Ethiopia and Eritrea to Fungal Diseases and Toxic Aluminum Ions

Zuev,

Lebedeva,

Yakovleva

et al. 2024

Plants

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“…In T. sinskajae, the highest rate of seed protein (21.5%) was observed (Tverdokhleb, 2015). One sample of this species was resistant to leaf rust at two temperatures, but the resistance provided to Helminthosporium leaf blotch was expressed at 22°C temperature only (Kolesova et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Characterisation of synthetic hexaploid wheat (BBAuAuAmAm) and its potential use in wheat breeding

Daskalova

Doneva

Stanoeva

et al. 2022

Zemdirbyste-Agriculture

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Free-threshing einkorn wheat (Triticum sinskajae A. Filat. et Kurk.) is an excellent source of resistance against wheat diseases and grain quality parameters. A new synthetic hexaploid amphiploid SHW45 (T. durum 198-2 × Triticum sinskajae acc. 18397) was studied in C 2-7 generations and characterised for field growing. Some traits such as a plant height and spike features including fertility and spike fragility revealed a large phenotypic variation. A strong selection for resistance to spikelet dispersal and a number of seeds per selfed spike led to the creation of several lines. They manifested a variety of resistance to powdery mildew at the seedling stage. Three amphiploid lines with diverse phenotypes and a complete resistance to spike brittleness were crossed as females to the wheat cultivar 'Sadovska ranozreika-4'. Viable hybrid seeds are obtained only when the synthetic form is a female parent. F 1 hybrids of amphiploid line 45-10 bore an average of 9 seeds per isolated spike, which was a significantly better yield than that of other hybrids. The lines showed homogeneity in high molecular weight (HMW) glutenins, as subunit pairs Ax2*+Ay1 and Bx17+By18 are inherited from the T. sinskajae, and T. durum form 198-2, respectively. In total, 14 F 2 , 22 BC 1 , and 141 F 2 -BC 1 seeds from the crosses with two bread wheat cultivars were planted in the field. The synthetic amphiploid lines might be promising genetic resources for resistance to powdery mildew and grain quality in wheat breeding.

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Reactions of Tetraploid Wheat Species to Septoria Tritici Blotch

Çat

2024

Türk Tarım Ve Doğa Bilimleri Dergisi

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Ascomycetes fungal patojen Zymoseptoria tritici’nin neden olduğu Septoria tritici blotch (STB) buğdayın küresel düzeyde yıkıcı hastalıklarından biridir ve uygun koşullarda önemli verim ve kalite kayıplarına neden olur. Bu çalışma, 84 tetraploit buğday türünün STB hastalığına karşı dayanıklılığını belirlemek amacıyla 2020-2021 ve 2021-2022 yetiştirme sezonlarında gerçekleştirilmiştir. Çalışmada kullanılan çeşitler tesadüf parselleri deneme desenine göre iki tekerrür olacak şekilde Akdeniz Üniversitesi yerleşkesinde yetiştirilmiştir. Hastalık gözlemlerine göre; 2021'de, test edilen genotiplerin 39 (%46.4) 'nun STB hastalığına karşı hassas ve çok hassas reaksiyonlar gösterdiği belirlenmiştir. Yine aynı yıl, genotiplerin 18 (%21.4)' i dayanıklı ve orta derecede dayanıklı olduğu saptanmıştır. 2022'de, genotiplerin 44 (%52.4)'ü STB hastalığına karşı hassas ve çok hassas reaksiyonlar gösterirken, 15 (%17.8) 'i dayanıklı ve orta derecede dayanıklı reaksiyon göstermiştir. Özellikle tüm Polonya buğday türlerinin STB hastalığına karşı çok hassas reaksiyonlar gösterdiği belirlenmiştir. Öte yandan, bir gernik buğday türü, Triticum dicoccum var. haussknechtianum, her iki sezonda da dayanıklı olduğu tespit edilmiştir. Ayrıca, Akbaşak 073/144, Çakmak 79, Altıntaş 95, Yelken 2000, Fırat-93 ve Fuatbey 2000 gibi makarnalık buğday çeşitleri STB hastalığına karşı dayanıklı olduğu ve makarnalık buğday çeşitlerinde çok hassas reaksiyon saptanmamıştır. Sonuç olarak, belirlenen dayanıklı durum ve emmer buğday türleri/çeşitleri, STB hastalığına karşı dayanıklılık ıslah programlarında kullanılma potansiyeline sahiptir.

show abstract

Resistance to diseases in samples of rare wheat species from the N.I. Vavilov All-Russian Institute of Plant Genetic Resources

Cited by 5 publications

References 32 publications

Genetic Diversity for Effective Resistance in Wheat Landraces from Ethiopia and Eritrea to Fungal Diseases and Toxic Aluminum Ions

Genetic Diversity for Effective Resistance in Wheat Landraces from Ethiopia and Eritrea to Fungal Diseases and Toxic Aluminum Ions

Characterisation of synthetic hexaploid wheat (BBAuAuAmAm) and its potential use in wheat breeding

Reactions of Tetraploid Wheat Species to Septoria Tritici Blotch

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