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231225s2016 xx |||||o 00| ||eng c |
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7 |
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|a 10.1094/PDIS-08-15-0916-RE
|2 doi
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|a pubmed24n0977.xml
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| 041 |
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|a eng
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| 100 |
1 |
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|a Matthiesen, R L
|e verfasserin
|4 aut
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| 245 |
1 |
2 |
|a A Method for Combining Isolates of Phytophthora sojae to Screen for Novel Sources of Resistance to Phytophthora Stem and Root Rot in Soybean
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| 264 |
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1 |
|c 2016
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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 ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Soybean cultivars with specific single resistance genes (Rps) are grown to reduce yield loss due to Phytophthora stem and root rot caused by the oomycete pathogen Phytophthora sojae. To identify novel Rps loci, soybean lines are often screened several times, each time with an isolate of P. sojae that differs in virulence on various Rps genes. The goal of this study was to determine whether several isolates of P. sojae that differ in virulence on Rps genes could be combined into a single source of inoculum and used to screen soybean lines for novel Rps genes. A set of 14 soybean differential lines, each carrying a specific Rps gene, was inoculated with three isolates of P. sojae, which differed in virulence on 6 to 10 Rps genes, individually or in a 1:1:1 mixture. Inoculum containing the 1:1:1 mixture of isolates was virulent on 13 Rps genes. The mixed-inoculum method was used to screen 1,019 soybean accessions in a blind assay for novel sources of resistance. In all, 17% of Glycine max accessions and 11% of G. soja accessions were resistant (≤30% dead plants), suggesting that these accessions may carry a novel Rps gene or genes. Advantages of combining isolates into a single source of inoculum include reduced cost, ability to screen soybean germplasm with inoculum virulent on all known Rps genes, and ease of identifying novel sources of resistance. This study is a precursor to identifying novel sources of resistance to P. sojae in soybean using RXLR effectors
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| 650 |
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4 |
|a Journal Article
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| 700 |
1 |
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|a Abeysekara, N S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ruiz-Rojas, J J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Biyashev, R M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Maroof, M A Saghai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Robertson, A E
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
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|g 100(2016), 7 vom: 05. Juli, Seite 1424-1428
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|g volume:100
|g year:2016
|g number:7
|g day:05
|g month:07
|g pages:1424-1428
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-08-15-0916-RE
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