利用小麦单基因品系对2020年中国小麦纹状锈菌毒力的研究

IF 4.2 2区生物学 Q2 MICROBIOLOGY

Journal of Fungi Pub Date : 2025-06-12 DOI:10.3390/jof11060447

Jie Huang, Xingzong Zhang, Wenjing Tan, Yi Wu, Hai Xu, Shuwaner Wang, Sajid Mehmood, Xinli Zhou, Suizhuang Yang, Meinan Wang, Xianming Chen, Wanquan Chen, Taiguo Liu, Xin Li, Chongjing Xia

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引用次数: 0

摘要

小麦条锈病是由小麦条锈病引起的小麦条锈病，是世界范围内最具威胁的小麦病害之一。监测小麦条锈病种群的毒力对小麦条锈病的防治至关重要。本研究利用18个小麦Yr单基因系，对2020年从中国13个省份收集的67株小麦Yr分离株的毒力模式进行了鉴定，从中鉴定出33个Pst小种。对不同Yr基因的毒力频率为1.49% ~ 97.01%，分别为：对Yr1 4.48%、对Yr6 26.87%、对Yr7 11.94%、对Yr8 95.52%、对Yr9 19.40%、对Yr17 11.94%、对Yr24 2.99%、对Yr27 35.82%、对Yr43 38.81%、对Yr44 97.01%、对YrSP 8.96%、对Yr85 1.49%、对YrExp2 95.52%、对Yr76 7.46%。对Yr5、Yr10、Yr15和Yr32均无毒力。其中，对Yr8、Yr44、YrExp2具有毒力的PstCN-062和对Yr8、Yr43、Yr44、YrExp2具有毒力的PstCN-001为流行小种，频率分别为28.36%和11.94%。这些结果为选育抗条锈病小麦品种提供了有价值的信息。

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Virulence Characterization of Puccinia striiformis f. sp. tritici in China in 2020 Using Wheat Yr Single-Gene Lines.

Wheat stripe (yellow) rust, caused by the fungus Puccinia striiformis f. sp. tritici (Pst), is one of the most threatening wheat diseases worldwide. Monitoring the virulence of Pst population is essential for managing wheat stripe rust. In this study, 18 wheat Yr single-gene lines were used to identify the virulence patterns of 67 isolates collected from 13 provinces in China in 2020, from which 33 Pst races were identified. The frequency of virulence to different Yr genes varied from 1.49% to 97.01%, with 4.48% to Yr1, 26.87% to Yr6, 11.94% to Yr7, 95.52% to Yr8, 19.40% to Yr9, 11.94% to Yr17, 2.99% to Yr24, 35.82% to Yr27, 38.81% to Yr43, 97.01% to Yr44, 8.96% to YrSP, 1.49% to Yr85, 95.52% to YrExp2, and 7.46% to Yr76. None of the isolates were virulent to Yr5, Yr10, Yr15, and Yr32. Among the 33 races, PstCN-062 (with virulence to Yr8, Yr44, and YrExp2) and PstCN-001 (with virulence to Yr8, Yr43, Yr44, and YrExp2) were the prevalent races, with frequencies of 28.36% and 11.94%, respectively. These results provide valuable information for breeding resistant wheat cultivars for controlling stripe rust.

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来源期刊

Journal of Fungi Medicine-Microbiology (medical)

CiteScore

6.70

自引率

14.90%

发文量

1151

审稿时长

11 weeks

期刊介绍： Journal of Fungi (ISSN 2309-608X) is an international, peer-reviewed scientific open access journal that provides an advanced forum for studies related to pathogenic fungi, fungal biology, and all other aspects of fungal research. The journal publishes reviews, regular research papers, and communications in quarterly issues. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on paper length. Full experimental details must be provided so that the results can be reproduced.