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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-09-20-1927-RE
|2 doi
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|a pubmed24n1078.xml
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|a DE-627
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|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Gultyaeva, Elena I
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Race Characterization and Molecular Genotyping of Puccinia triticina Populations from Durum Wheat in Russia
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| 264 |
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|c 2021
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 31.08.2021
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|a Date Revised 31.08.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Variability of the Russian population of Puccinia triticina from durum wheat was studied with virulence and simple sequence repeat (SSR) markers. The pathogen was sampled during 2017 to 2019 in all regions with sizable durum wheat (Triticum durum) growing areas from winter (North Caucasus) and spring (Middle Volga, Ural, and West Siberia) wheat. A total of 474 isolates were tested on a set of 20 Lr-gene lines. Molecular genotypes for 105 selected isolates were determined at 11 SSR loci. Variable virulence/avirulence reaction was observed only on three Lr-gene lines, whereas just five SSR loci were polymorphic with two alleles at each. Seven different virulence phenotypes and 11 SSR genotypes were found among 474 and 105 isolates, respectively, indicating a very low variability of the pathogen. One virulence phenotype and three SSR genotypes occurred in all Russian regions. However, two phenotypes were specific to the European regions of Russia (North Caucasus and Middle Volga), while another two were found only in the Asian part of Russia (Ural and West Siberia). Significant differentiation between six populations of P. triticina from durum wheat in the Asian and European (mainly North Caucasus) regions was also shown with numerous metrics and approaches for data with and without clone correction. Relationships among the regional populations of P. triticina from durum wheat established with virulence phenotypes significantly associated with those for SSR genotypes and was similar to the relationships among the regional populations of the pathogen from common wheat
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| 650 |
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4 |
|a Journal Article
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4 |
|a Kosman metrics of variability
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| 650 |
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4 |
|a Lr resistance genes
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| 650 |
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4 |
|a Triticum durum
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| 650 |
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|a clonal reproduction
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| 650 |
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4 |
|a leaf rust
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| 650 |
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4 |
|a population structure
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| 700 |
1 |
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|a Shaydayuk, Ekaterina L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kazartsev, Igor A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kosman, Evsey
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 105(2021), 5 vom: 16. Mai, Seite 1495-1504
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|g volume:105
|g year:2021
|g number:5
|g day:16
|g month:05
|g pages:1495-1504
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|u http://dx.doi.org/10.1094/PDIS-09-20-1927-RE
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