Mapping QTLs for adult-plant resistance to powdery mildew and stripe rust using a recombinant inbred line population derived from cross Qingxinmai x 041133
文献类型： 外文期刊
作者： Li, Yahui 1 ; Hu, Jinghuang 2 ; Lin, Huailong 3 ; Qiu, Dan 4 ; Qu, Yunfeng 5 ; Du, Jiuyuan 6 ; Hou, Lu 7 ; Ma, Lin 8 ; Wu, Qiuhong 9 ; Liu, Zhiyong 4 ; Zhou, Yijun 1 ; Li, Hongjie 2 ;
作者机构： 1.Minzu Univ China, Coll Life & Environm Sci, Beijing, Peoples R China
2.Chinese Acad Agr Sci, Inst Crop Sci, Natl Engn Lab Crop Mol Breeding, Beijing, Peoples R China
3.Jiushenghe Seed Ind Co Ltd, Changji, Peoples R China
4.Chinese Acad Sci, Inst Genet & Dev Biol, Beijing, Peoples R China
5.Henan Univ, Sch Life Sci, State Key Lab Crop Stress Adaptat & Improvement, Kaifeng, Peoples R China
6.Gansu Acad Agr Sci, Wheat Res Inst, Lanzhou, Peoples R China
7.Qinghai Univ, Qinghai Acad Agr & Forestry Sci, Key Lab Agr Integrated Pest Management, Xining, Peoples R China
8.Datong Hui & Tu Autonomous Cty Agr Technol Extens, Xining, Peoples R China
9.Inst Biotechnol, Xianghu Lab, Hangzhou, Peoples R China
关键词： wheat (Triticum aestivum L.); powdery mildew; stripe rust; adult-plant resistance; QTL mapping
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.6； 五年影响因子：6.8 ）
ISSN： 1664-462X
年卷期： 2024 年 15 卷
页码：
收录情况： SCI
摘要： A recombinant inbred line (RIL) population derived from wheat landrace Qingxinmai and breeding line 041133 exhibited segregation in resistance to powdery mildew and stripe rust in five and three field tests, respectively. A 16K genotyping by target sequencing (GBTS) single-nucleotide polymorphism (SNP) array-based genetic linkage map was used to dissect the quantitative trait loci (QTLs) for disease resistance. Four and seven QTLs were identified for adult-plant resistance (APR) against powdery mildew and stripe rust. QPm.caas-1B and QPm.caas-5A on chromosomes 1B and 5A were responsible for the APR against powdery mildew in line 041133. QYr.caas-1B, QYr.caas-3B, QYr.caas-4B, QYr.caas-6B.1, QYr.caas-6B.2, and QYr.caas-7B detected on the five B-genome chromosomes of line 041133 conferred its APR to stripe rust. QPm.caas-1B and QYr.caas.1B were co-localized with the pleiotropic locus Lr46/Yr29/Sr58/Pm39/Ltn2. A Kompetitive Allele Specific Polymorphic (KASP) marker KASP_1B_668028290 was developed to trace QPm/Yr.caas.1B. Four lines pyramiding six major disease resistance loci, PmQ, Yr041133, QPm/Yr.caas-1B, QPm.caas-2B.1, QYr.caas-3B, and QPm.caas-6B, were developed. They displayed effective resistance against both powdery mildew and stripe rust at the seedling and adult-plant stages.
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