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|a 10.1094/PDIS.1999.83.9.871
|2 doi
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|a pubmed24n0982.xml
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|a eng
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| 100 |
1 |
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|a McVey, D V
|e verfasserin
|4 aut
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| 245 |
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|a Races of Puccinia graminis in the United States During 1996
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| 264 |
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|c 1999
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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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
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|a Citation Status PubMed-not-MEDLINE
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|a Stem rust caused negligible yield losses in 1996 in the United States. Wheat stem rust was first found during the second week of April in a field of soft red winter wheat southwest of Houston, Texas. Race Pgt-TPMK continues to predominate, with 66% of 273 isolates from 100 collections. TPMK represented 76 and 63% of the isolates from wheat in fields and nurseries, respectively. Race QFCS was identified at a frequency of 12 and 29% from farm fields and nurseries, respectively, and 26% overall. Eight other races consisted of 3% or less of the isolates. From barley, race QCCJ, virulent to the Rpg-1 gene for resistance to stem rust, was identified in only 12% of 77 isolates of 27 collections, while TPMK consisted of 64% of the isolates. No virulence was found to wheat lines with genes Sr9b, 13, 22, 24, 25, 26, 27, 29, 30, 31, 32, 37, Gt, or Wld-1. Oat stem rust was first found in late April in southern Louisiana and central Texas. Race NA-27, virulent to Pg-1, -2, -3, -4, and -8, was again the predominant race in the United States, comprising 91% of 93 isolates from 36 collections. NA-5 and NA-16 were the other two races identified, comprising 4% each
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| 650 |
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|a Journal Article
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1 |
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|a Long, D L
|e verfasserin
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| 700 |
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|a Roberts, J J
|e verfasserin
|4 aut
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|i Enthalten in
|t Plant disease
|d 1997
|g 83(1999), 9 vom: 30. Sept., Seite 871-875
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|g volume:83
|g year:1999
|g number:9
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|g month:09
|g pages:871-875
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|u http://dx.doi.org/10.1094/PDIS.1999.83.9.871
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