Slow stripe rusting in Chinese wheat Jimai 44 conferred by Yr29 in combination with a major QTL on chromosome arm 6AL

Author:

Liu Shengjie1,Liu Dan1,Mi Zhiwen1,Zhang Wenjing1,Wang Xiaoting1,Zhang Chuangliang1,Gao Xin2,Ren Yong3,Lan Caixia4,Liu Xiukun2,Yuan Fengping1,Su Baofeng1,Kang Zhensheng1,Li Chunlian1,Han Dejun1,Wang Changfa1,Cao Xinyou2,Wu Jianhui5ORCID

Affiliation:

1. Northwest Agriculture and Forestry University: Northwest A&F University

2. Shandong Academy of Agricultural Sciences

3. Mianyang Institute of Agricultural Science

4. Huazhong Agriculture University

5. Northwest Agriculture and Forestry University

Abstract

Abstract “Slow rusting” (SR) is a type of adult plant resistance (APR) that can provide non-specific durable resistance to stripe rust in wheat. Chinese elite wheat cultivar Jimai 44 (JM44) has maintained SR to stripe rust in China since its release despite exposure to a changing and variable pathogen population. An F2:6 population comprising 295 recombinant inbred lines (RILs) derived from a cross between JM44 and susceptible cultivar Jimai 229 (JM229) was used in genetic analysis of the SR. The RILs and parent lines were evaluated for stripe rust response in five field environments and genotyped using the Affymetrix Wheat55K SNP array and 13 allele-specific quantitative PCR-based (AQP) markers. Two stable QTL on chromosome arms 1BL and 6AL were identified by inclusive composite interval mapping. The 1BL QTL was probably the pleiotropic gene Lr46/Yr29. QYr.nwafu-6AL (hereafter named YrJ44), mapped in a 3.5-cM interval between AQP markers AX-109373479 and AX-109563479, was more effective than Yr29 in reducing disease severity and relative area under the disease progress curve (rAUDPC). RILs harboring both YrJ44 and Yr29 displayed levels of SR equal to the resistant parent JM44. The AQP markers linked with YrJ44 were highly polymorphic and significantly correlated with stripe rust resistance in a panel of 1,019 wheat cultivars and breeding lines. These results suggested that adequate SR resistance can be obtained by combining YrJ44 and Yr29 and the AQP markers can be used in breeding for durable stripe rust resistance.

Publisher

Research Square Platform LLC

Reference69 articles.

1. Mapping of durable stripe rust resistance in a durum wheat cultivar Wollaroi;Bansal UK;Mol Breed,2014

2. Molecular mapping of adult plant stripe rust resistance in wheat and identification of pyramided QTL genotypes;Bariana HS;Euphytica,2010

3. Characterization of Yr54 and other genes associated with adult plant resistance to yellow rust and leaf rust in common wheat Quaiu 3;Basnet BR;Mol Breed,2014

4. Genetic architecture of resistance to stripe rust in a global winter wheat germplasm collection;Bulli P;G3 (Bethesda),2016

5. Caldwell RM (1968) Breeding for general and/or specific plant resistance. In Finlay KW and Sphepard KW, eds. Proc 3rd Int Wheat Genet Symp, 5–9 August 1968. Australian Academy of Science, Canberra, Australia, p. 263–272

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