Identification of Two Novel QTL for Fusarium Head Blight Resistance in German Wheat Cultivar Centrum

Fusarium head blight (FHB) is a devastating disease that occurs in warm and humid environments. The German wheat 'Centrum' has displayed moderate to high levels of FHB resistance in the field for many years. In this study, an F6:8 recombinant inbred line (RIL) population derived from cross...

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Veröffentlicht in:Plant disease. - 1997. - 108(2024), 8 vom: 27. Aug., Seite 2462-2471
1. Verfasser: Ren, Hui (VerfasserIn)
Weitere Verfasser: Zhang, Xin, Zhang, Yibo, Zhang, Ziyang, Cheng, Muzi, Zhang, Lu, Zhang, Xiangxue, Li, Chunchun, Duan, Jiangli, Zhang, Chuanliang, Xiang, Mingjie, Liu, Shengjie, Jiang, Chengzhi, Zeng, Qingdong, Wu, Jianhui, Kang, Zhensheng, Yang, Zujun, Li, Chunlian, Huang, Shuo, Han, Dejun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article FHB QTL mapping candidate genes marker-assisted selection Genetic Markers
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520 |a Fusarium head blight (FHB) is a devastating disease that occurs in warm and humid environments. The German wheat 'Centrum' has displayed moderate to high levels of FHB resistance in the field for many years. In this study, an F6:8 recombinant inbred line (RIL) population derived from cross 'Centrum' × 'Xinong 979' was evaluated for FHB response following point inoculation in five environments. The population and parents were genotyped using the GenoBaits Wheat 16 K Panel. Stable quantitative trait loci (QTL) associated with FHB resistance in 'Centrum' were mapped on chromosome arms 2DS and 5BS. The most effective QTL, located in 2DS, was identified as a new chromosome region represented by a 1.4 Mb interval containing 17 candidate genes. Another novel QTL was mapped in chromosome arm 5BS of a 5BS to 7BS translocation chromosome. In addition, two environmentally sensitive QTL were mapped on chromosome arms 2BL from 'Centrum' and 5AS from 'Xinong 979'. Polymorphisms of flanking phenotypic variance explained (PVE) markers (allele-specific quantitative PCR [AQP]) AQP-6 for QFhb.nwafu-2DS and 16K-13073 for QFhb.nwafu-5BS were validated in a panel of 217 cultivars and breeding lines. These markers could be useful for marker-assisted selection (MAS) of FHB resistance and provide a starting point for fine mapping and marker-based cloning of the resistance genes 
650 4 |a Journal Article 
650 4 |a FHB 
650 4 |a QTL mapping 
650 4 |a candidate genes 
650 4 |a marker-assisted selection 
650 7 |a Genetic Markers  |2 NLM 
700 1 |a Zhang, Xin  |e verfasserin  |4 aut 
700 1 |a Zhang, Yibo  |e verfasserin  |4 aut 
700 1 |a Zhang, Ziyang  |e verfasserin  |4 aut 
700 1 |a Cheng, Muzi  |e verfasserin  |4 aut 
700 1 |a Zhang, Lu  |e verfasserin  |4 aut 
700 1 |a Zhang, Xiangxue  |e verfasserin  |4 aut 
700 1 |a Li, Chunchun  |e verfasserin  |4 aut 
700 1 |a Duan, Jiangli  |e verfasserin  |4 aut 
700 1 |a Zhang, Chuanliang  |e verfasserin  |4 aut 
700 1 |a Xiang, Mingjie  |e verfasserin  |4 aut 
700 1 |a Liu, Shengjie  |e verfasserin  |4 aut 
700 1 |a Jiang, Chengzhi  |e verfasserin  |4 aut 
700 1 |a Zeng, Qingdong  |e verfasserin  |4 aut 
700 1 |a Wu, Jianhui  |e verfasserin  |4 aut 
700 1 |a Kang, Zhensheng  |e verfasserin  |4 aut 
700 1 |a Yang, Zujun  |e verfasserin  |4 aut 
700 1 |a Li, Chunlian  |e verfasserin  |4 aut 
700 1 |a Huang, Shuo  |e verfasserin  |4 aut 
700 1 |a Han, Dejun  |e verfasserin  |4 aut 
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