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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-07-18-1190-RE
|2 doi
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|a pubmed24n0981.xml
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|a eng
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|a Daba, Sintayehu D
|e verfasserin
|4 aut
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| 245 |
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|a Genome-wide Association Studies and Candidate Gene Identification for Leaf Scald and Net Blotch in Barley (Hordeum vulgare L.)
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 10.07.2019
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|a Date Revised 10.07.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a We report genomic regions that significantly control resistance to scald, net form (NFNB) and spot form net blotch (SFNB) in barley. Barley genotypes from Ethiopia, ICARDA, and the United States were evaluated in Ethiopia and North Dakota State University (NDSU). Genome-wide association studies (GWAS) were conducted using 23,549 single nucleotide polymorphism (SNP) markers for disease resistance in five environments in Ethiopia. For NFNB and SFNB, we assessed seedling resistance in a glasshouse at NDSU. A large proportion of the Ethiopian landraces and breeding genotypes were resistant to scald and NFNB. Most of genotypes resistant to SFNB were from NDSU. We identified 17, 26, 7, and 1 marker-trait associations (MTAs) for field-scored scald, field-scored net blotch, greenhouse-scored NFNB, and greenhouse-scored SFNB diseases, respectively. Using the genome sequence and the existing literature, we compared the MTAs with previously reported loci and genes for these diseases. For leaf scald, only a few of our MTAs overlap with previous reports. However, the MTAs found for field-scored net blotch as well as NFNB and SFNB mostly overlap with previous reports. We scanned the barley genome for identification of candidate genes within 250 kb of the MTAs, resulting in the identification of 307 barley genes for the 51 MTAs. Some of these genes are related to plant defense responses such as subtilisin-like protease, chalcone synthase, lipoxygenase, and defensin-like proteins
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|a Journal Article
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|a GWAS
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|a barley
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|a candidate genes
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|a genetics of resistance
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| 650 |
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|a net blotch
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| 650 |
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4 |
|a scald
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|a Horsley, Richard
|e verfasserin
|4 aut
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|a Brueggeman, Robert
|e verfasserin
|4 aut
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|a Chao, Shiaoman
|e verfasserin
|4 aut
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| 700 |
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|a Mohammadi, Mohsen
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 103(2019), 5 vom: 01. Mai, Seite 880-889
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
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|g volume:103
|g year:2019
|g number:5
|g day:01
|g month:05
|g pages:880-889
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|u http://dx.doi.org/10.1094/PDIS-07-18-1190-RE
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