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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-09-22-2169-RE
|2 doi
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|a pubmed24n1174.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Bai, Sheng Sheng
|e verfasserin
|4 aut
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|a Mapping of Major Resistance Gene Qse.xn-2BL for Sharp Eyespot in the Wheat-Psathyrostachys huashanica Introgression Line H83
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|c 2023
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 31.08.2023
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|a Date Revised 31.08.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Sharp eyespot, a soil-borne disease of wheat (Triticum aestivum L.), is one of the most devastating diseases and severely affects grain production. The most efficient and economical method of controlling the disease is the utilization of genetic resistance. In this study, the wheat-Psathyrostachys huashanica introgression line H83 processed the enhanced resistance to Rhizoctonia cerealis isolate R0301 than its wheat parent 7182. A resistance locus in the 600 to 800 Mb interval of chromosome 2BL was screened using 244 segregation population F2 plants of H83×Huixianhong with bulked segregant analysis and wheat axiom 660K genotyping array. Furthermore, by using 12 kompetitive allele-specific PCR markers, a major resistance gene, designated as Qse.xn-2BL, was identified in a secondary segregating population with 138 F3:4 lines and initially mapped to a 765.6 to 775.5 Mb interval on chromosome 2BL. Molecular cytology analysis revealed that H83 probably has an alien introgression at the distal of chromosome 2BL, where it overlapped with the mapping target gene. Above all, H83 showed great potential to improve wheat resistance to sharp eyespot and can be expected to improve resistance in wheat breeding
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|a Journal Article
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|a Psathyrostachys huashanica Keng
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|a resistance gene mapping
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|a sharp eyespot
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|a wheat
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|a Lv, Bo Ya
|e verfasserin
|4 aut
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|a Wu, Jun
|e verfasserin
|4 aut
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|a Hong Chen, Xin
|e verfasserin
|4 aut
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|i Enthalten in
|t Plant disease
|d 1997
|g 107(2023), 8 vom: 01. Aug., Seite 2446-2452
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|x 0191-2917
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|g volume:107
|g year:2023
|g number:8
|g day:01
|g month:08
|g pages:2446-2452
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|u http://dx.doi.org/10.1094/PDIS-09-22-2169-RE
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