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|a 10.1094/PDIS-92-1-0091
|2 doi
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|a eng
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| 100 |
1 |
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|a Singh, Sukhwinder
|e verfasserin
|4 aut
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| 245 |
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|a A Novel Source of Resistance in Wheat to Pyrenophora tritici-repentis Race 1
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| 264 |
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|c 2008
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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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|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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| 500 |
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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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| 520 |
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|a Tan spot, caused by the fungus Pyrenophora tritici-repentis, causes serious yield losses in wheat (Triticum aestivum) and many other grasses. Race 1 of the fungus, which produces the necrosis toxin Ptr ToxA and the chlorosis toxin Ptr ToxC, is the most prevalent race in the Great Plains of the United States. Wheat genotypes with useful levels of resistance to race 1 have been deployed, but this resistance reduces damage by only 50 to 75%. Therefore, new sources of resistance to P. tritici-repentis are needed. Recombinant inbred lines developed from a cross between the Indian spring wheat cvs. WH542 (resistant) and HD29 (moderately susceptible) were evaluated for reaction to race 1 of the fungus. Composite interval mapping revealed quantitative trait loci (QTL) on the short arm of chromosome 3A explaining 23% of the phenotypic variation, and the long arm of chromosome 5B explaining 27% of the variation. Both resistance alleles were contributed by the WH542 parent. The QTL on 5BL is probably tsn1, which was described previously. The 3AS QTL (QTs.ksu-3AS) on 3AS is a novel QTL for resistance to P. tritici-repentis race 1. The QTL region is located in the most distal bin of chromosome 3AS in a 2.2-centimorgan marker interval. Flanking markers Xbarc45 and Xbarc86 are suitable for marker-assisted selection for tan spot resistance
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Bockus, William W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sharma, Indu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bowden, Robert L
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 92(2008), 1 vom: 19. Jan., Seite 91-95
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|x 0191-2917
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|g volume:92
|g year:2008
|g number:1
|g day:19
|g month:01
|g pages:91-95
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|u http://dx.doi.org/10.1094/PDIS-92-1-0091
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