Genetic diversity of naked barley accessions from the VIR collection for resistance to powdery mildew in the North-West Region of the Russian Federation
- Authors: Lukina K.A.1, Abdullaev R.A.1, Alpatieva N.V.1, Loskutov I.G.1, Kovaleva O.N.1
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Affiliations:
- N.I. Vavilov All-Russian Institute of Plant Genetic Resources
- Issue: Vol 22, No 3 (2024)
- Pages: 243-253
- Section: Genetic basis of ecosystems evolution
- URL: https://journals.rcsi.science/ecolgenet/article/view/271611
- DOI: https://doi.org/10.17816/ecogen634379
- ID: 271611
Cite item
Abstract
BACKGROUND: Barley is an important grain crop characterized by adaptability to various growing conditions. In recent years close attention has been paid to groups of naked barley which compared to covered barley is more susceptible to the influence of pathogens, that decreases the yield and quality of grain. Powdery mildew is the most harmful diseases of barley (caused by the biotrophic fungus Blumeria graminis (DC.) Golovin ex Speer f. sp. hordei Marchal). The search for new promising sources of resistance to powdery mildew is necessary for barley breeding.
AIM: The aim is studying the powdery mildew resistance of naked spring barley accessions from the world collection of VIR and identifying promising sources for economically valuable traits.
MATERIALS AND METHODS: In field and laboratory conditions 271 of naked barley accessions of different ecological and geographical origin were studied for powdery mildew resistance and other economically valuable traits (lodging resistance, duration of the vegetative period, yield). The pathogen inoculum for laboratory work was represented by the north-western population of the pathogen. The resistance of barley samples was assessed in the field using the VIR point scale, in the laboratory using the E.B. Mains, S.M. Dietz point scale. The highly effective to powdery mildew resistance allele mlo11 was identified using PCR.
RESULTS: The diversity of barley of different origins in resistance to powdery mildew is shown. 16 samples mainly from Europe, local forms from Ethiopia, Japan and India, were found to be resistant in field condition. According to the results of the assessment at the juvenile stage, 1 highly resistant sample k-31058 and 5 moderately resistant (k-20923, k-25801, k-27165, k-29911, k-30231) were identified. The naked forms k-20923 from Germany and k-29911 from Poland were resistant at all stages of plant development. The mlo11 allele was detected in the Arabische variety (k-20923) and heterogeneous pathogen resistance accessions k-20921, k-25793, k-27080, k-29440, k-29820.
CONCLUSIONS: As a result of the work the sources of resistance to powdery mildew with a complex of economically valuable traits were identified, which can be involve in the breeding.
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##article.viewOnOriginalSite##About the authors
Kseniia A. Lukina
N.I. Vavilov All-Russian Institute of Plant Genetic Resources
Author for correspondence.
Email: k.lukina@vir.nw.ru
ORCID iD: 0000-0001-5477-8684
SPIN-code: 7294-7603
Russian Federation, Saint Petersburg
Renat A. Abdullaev
N.I. Vavilov All-Russian Institute of Plant Genetic Resources
Email: abdullaev.1988@list.ru
ORCID iD: 0000-0003-1021-7951
SPIN-code: 3377-2241
Scopus Author ID: 57211915135
Cand. Sci. (Biology)
Russian Federation, Saint PetersburgNatalia V. Alpatieva
N.I. Vavilov All-Russian Institute of Plant Genetic Resources
Email: alpatievanatalia@mail.ru
ORCID iD: 0000-0002-5531-2728
SPIN-code: 9882-0850
Cand. Sci. (Biology)
Russian Federation, Saint PetersburgIgor G. Loskutov
N.I. Vavilov All-Russian Institute of Plant Genetic Resources
Email: i.loskutov@vir.nw.ru
ORCID iD: 0000-0002-9250-7225
SPIN-code: 2715-2082
Scopus Author ID: 8619012600
ResearcherId: D-5238-2013
Dr. Sci. (Biology)
Russian Federation, Saint PetersburgOlga N. Kovaleva
N.I. Vavilov All-Russian Institute of Plant Genetic Resources
Email: o.kovaleva@vir.nw.ru
ORCID iD: 0000-0002-3990-6526
SPIN-code: 6676-5316
Cand. Sci. (Biology)
Russian Federation, Saint PetersburgReferences
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