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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-10-22-2373-RE
|2 doi
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| 028 |
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|a pubmed24n1159.xml
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|a (DE-627)NLM34779808X
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|a (NLM)36265157
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|a DE-627
|b ger
|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 Skolotneva, Ekaterina S
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a SSR Variability of Stem Rust Pathogen on Spring Bread Wheat in Russia
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| 264 |
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|c 2023
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 02.03.2023
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|a Date Revised 02.03.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Wheat stem rust, caused by Puccinia graminis f. sp. tritici, which used to be a harmful disease of winter wheat in the southern part of Russia, has been largely affecting the yield of spring bread wheat in the territories of the temperate climate zone since 2009. In total, 222 P. graminis f. sp. tritici isolates were obtained from samples of susceptible cultivars of spring bread wheat in Central and Volga regions and Omsk and Novosibirsk provinces in 2019. Genotyping of the isolates was carried out at 16 simple-sequence repeat (SSR) loci. Number of alleles, proportion of heterozygotes, and deviation from Hardy-Weinberg equilibrium were determined at each SSR locus. Based on genetic variability of SSR genotypes, it was shown that the P. graminis f. sp. tritici population is subdivided into two large clusters in the territory of the Russian temperate climate zone: the "European" population (the Central region) and the "Asian" one (the Volga region and two main wheat provinces of Western Siberia). Both of the P. graminis f. sp. tritici populations are characterized by a mixed mode of reproduction (sexual and clonal) but different sources of inoculum seem to shape a genotype structure within them. A group of P. graminis f. sp. tritici genotypes with high variability, the inbreeding coefficient closed to zero, and low observed heterozygosity was revealed among samples from Omsk. Moreover, two singular SSR genotypes identified among the Asian samples of P. graminis f. sp. tritici isolates should attract special attention in the monitoring of stem rust in order to disclose unexpected rapid changes of the pathogen in the corresponding regions and to prevent disease outbreak
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4 |
|a Journal Article
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| 650 |
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4 |
|a Puccinia graminis f. sp. tritici
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| 650 |
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4 |
|a Triticum aestivum
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| 650 |
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4 |
|a Western Siberia
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| 650 |
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4 |
|a cereals and grains
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| 650 |
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4 |
|a field crops
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| 650 |
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4 |
|a fungi
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| 650 |
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4 |
|a microsatellite loci
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| 650 |
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4 |
|a pathogen diversity
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| 700 |
1 |
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|a Kosman, Evsey
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kelbin, Vasiliy N
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Morozova, Eugenia V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Laprina, Yulia V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Baranova, Olga A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kolomiets, Tamara M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kiseleva, Marina I
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sergeeva, Ekaterina M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Salina, Elena A
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 107(2023), 2 vom: 20. Feb., Seite 493-499
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:107
|g year:2023
|g number:2
|g day:20
|g month:02
|g pages:493-499
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-10-22-2373-RE
|3 Volltext
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