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Identification of Puccinia striiformis races from the spring wheat crop in Xinjiang, China

文献类型： 外文期刊

作者： Ma, Jinbiao 1 ; Awais, Muhammad 2 ; Chen, Li 3 ; Yang, Hong 4 ; Lai, Hanlin 5 ; Shen, Yuyang 3 ; Wang, Huiqing 6 ; Li, Guangkuo 3 ; Gao, Haifeng 3 ;

作者机构： 1.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Key Lab Ecol Safety & Sustainable Dev Arid Lands, Urumqi, Peoples R China

2.Northwest A&F Univ, Coll Plant Protect, State Key Lab Crop Stress Biol Arid Areas, Yangling, Shaanxi, Peoples R China

3.Minist Agr & Rural Affairs, Inst Plant Protect, Xinjiang Acad Agr Sci, Key Lab Integrated Pest Management Crop Northwest, Urumqi, Peoples R China

4.Xinjiang Agr Univ, Coll Agr, Key Lab Pest Monitoring & Safety Control Crops & F, Urumqi, Peoples R China

5.Xinjiang Agr Univ, Coll Life Sci, Urumqi, Peoples R China

6.Xinjiang Plant Protect Stn, Dept Xinjiang Agr, Urumqi, Peoples R China

关键词： wheat stripe rust; race identification; virulence factor; spring wheat; China epidemic regions

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： 2023 年 14 卷

页码：

收录情况： SCI

摘要： Stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is a foliar disease that affects both winter and spring wheat crops in Xinjiang, China, which is linked to Central Asia. Race identification of Pst from spring wheat in Xinjiang was not done before. In this study, a total of 216 isolates were recovered from stripe rust samples of spring wheat in the region in 2021 and multiplied using the susceptible cultivar Mingxian 169. These isolates were tested on the Chinese set of 19 wheat differential lines for identifying Pst races. A total of 46 races were identified. Races Suwon-11-1, Suwon11-12, and CYR32 had high frequencies in the spring wheat region. The frequencies of virulence factors on differentials "Fulhard" and "Early Premium" were high (>95%), whereas the virulence factor to differential "Triticum spelta var. Album" (Yr5) was not detected, while virulence to other differentials showed variable frequency within different counties. The predominant races in winter wheat in the same season were also detected from spring wheat cultivars, indicating Pst spreading from winter wheat to spring wheat crops. Deploying resistance genes in spring and winter wheat cultivars is critical for control stripe rust.

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