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Stripe Rust Resistance in Aegilops tauschii Germplasm
Liu, Miao1; Zhang, Chaozhong2; Yuan, Cuiling2; Zhang, Lianquan1; Huang, Lin1; Wu, Jiajie2; Wang, Jirui1; Zheng, Youliang1; Zhang, Huaigang3; Liu, Dengcai1,3; Fu, Daolin2; Liu, DC (reprint author), Sichuan Agr Univ, Triticeae Res Inst, Chengdu 611130, Sichuan, Peoples R China.
2013-09-01
Source PublicationCROP SCIENCE
ISSN0011-183X
Volume53Issue:5Pages:2014-2020
SubtypeArticle
AbstractAegilops tauschii Coss., the D-genome progenitor of hexaploid wheat (Triticum aestivum L.), is an important source of useful genes for wheat improvement. We characterized a germplasm collection of 118 Ae. tauschii accessions for response to stripe rust, a devastating disease caused by the fungus Puccinia striiformis f. sp. tritici (Pst). We evaluated tillering stage and adult-plant resistance to stripe rust using prevalent Pst races from the United States and China. Resistant accessions predominated in Ae. tauschii subsp. strangulata and Ae. tauschii subsp. tauschii from the Caspian Sea region. We further analyzed the inheritance of stripe rust resistance by inoculating F 2 plants of 60 crosses with a mixture of Chinese Pst races. Crosses between resistant and susceptible lines indicated both dominant and recessive inheritance. Tests of allelism among 14 highly resistant accessions indicated the common presence of YrAS2388, previously mapped on chromosome arm 4DS, in all accessions. In conclusion, the study presented valuable data on stripe rust resistance in Ae. tauschii, which assist with informed introgression of the D-genome trait for stripe rust resistance in common wheat.; Aegilops tauschii Coss., the D-genome progenitor of hexaploid wheat (Triticum aestivum L.), is an important source of useful genes for wheat improvement. We characterized a germplasm collection of 118 Ae. tauschii accessions for response to stripe rust, a devastating disease caused by the fungus Puccinia striiformis f. sp. tritici (Pst). We evaluated tillering stage and adult-plant resistance to stripe rust using prevalent Pst races from the United States and China. Resistant accessions predominated in Ae. tauschii subsp. strangulata and Ae. tauschii subsp. tauschii from the Caspian Sea region. We further analyzed the inheritance of stripe rust resistance by inoculating F 2 plants of 60 crosses with a mixture of Chinese Pst races. Crosses between resistant and susceptible lines indicated both dominant and recessive inheritance. Tests of allelism among 14 highly resistant accessions indicated the common presence of YrAS2388, previously mapped on chromosome arm 4DS, in all accessions. In conclusion, the study presented valuable data on stripe rust resistance in Ae. tauschii, which assist with informed introgression of the D-genome trait for stripe rust resistance in common wheat.
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.2135/cropsci2013.01.0008
WOS KeywordF-SP TRITICI ; GENETIC DIVERSITY ; WHEAT ; CHINA ; CULTIVARS ; DISEASES
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(31071418 ; National Basic Research Program of China(2009CB118300 ; 31110103917) ; 2011CB100700)
WOS Research AreaAgriculture
WOS SubjectAgronomy
WOS IDWOS:000323116900021
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/3928
Collection中国科学院西北高原生物研究所
Corresponding AuthorLiu, DC (reprint author), Sichuan Agr Univ, Triticeae Res Inst, Chengdu 611130, Sichuan, Peoples R China.
Affiliation1.Sichuan Agr Univ, Triticeae Res Inst, Chengdu 611130, Sichuan, Peoples R China
2.Shandong Agr Univ, Shandong Key Lab Crop Biol, State Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China
3.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810001, Qinghai, Peoples R China
Recommended Citation
GB/T 7714
Liu, Miao,Zhang, Chaozhong,Yuan, Cuiling,et al. Stripe Rust Resistance in Aegilops tauschii Germplasm[J]. CROP SCIENCE,2013,53(5):2014-2020.
APA Liu, Miao.,Zhang, Chaozhong.,Yuan, Cuiling.,Zhang, Lianquan.,Huang, Lin.,...&Liu, DC .(2013).Stripe Rust Resistance in Aegilops tauschii Germplasm.CROP SCIENCE,53(5),2014-2020.
MLA Liu, Miao,et al."Stripe Rust Resistance in Aegilops tauschii Germplasm".CROP SCIENCE 53.5(2013):2014-2020.
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