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Investigation on types of corn rust in eastern Yunnan ecology and analysis of population genetic structure of its rusts
Zhu Wenqiang; Wang Jingran; Wu Qi; Wang Na1; Guo Jianwei2; Yang Zilin3; Sha Yun4; Liu Lin1; Li Chengyun
2022
Source PublicationACTA AGRICULTURAE SCANDINAVICA SECTION B-SOIL AND PLANT SCIENCE
ISSN0906-4710
Volume72Issue:1Pages:485-495
AbstractCorn rust disease can be classified into four types: common corn rust, southern corn rust, tropical corn rust and stem corn rust. In this paper, 270 samples of corn rust gathered from Yunnan province were identified by observation of symptom and pathogen morphology, detection of specific molecular markers between Puccinia sorghi Schw and Puccinia polysora Unedrw. The results showed that 180 samples of corn rust collected form Qujing, Zhaotong, Kunming, Honghe (Mile, Kaiyuan and Jianshui) were common corn rust caused by Puccinia sorghi Schw; and 90 samples of corn rust collected form Wenshan and Honghe (Pinbian) were southern corn rust. Morphology and aspect ratio compared Puccinia sorghi Schw with Puccinia polysora Unedrw. The uredospores of Puccinia polysora Unedrw were oval and the aspect ratio of 81.6% of all uredospores from Puccinia polysora Unedrw was greater than 1.2. The uredospores of Puccinia sorghi Schw were nearly round, and their aspect ratio was 1.0-1.3. In addition, the population genetic structure of all corn rust samples was analyzed by ISSR molecular marker. Concerning Puccinia polysora Unedrw, the genetic diversity was larger in Wenshan than in Honghe. In Puccinia sorghi Schw, the population genetic diversity was larger in Zhaotong and the lowest in Kunming.
KeywordPuccinia polysora Unedrw Puccinia sorghi Schw identification of pathogen population genetic structure specific molecular marker primers
DOI10.1080/09064710.2021.2012250
WOS IDWOS:000739735100001
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Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/73461
Collection中国科学院昆明植物研究所
Affiliation1.Yunnan Agr Univ, State Key Lab Conservat & Utilizat Bioresources Y, Kunming, Yunnan, Peoples R China
2.Yunnan Agr Univ, Coll Tobacco Sci, Kunming, Yunnan, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Kunming, Yunnan, Peoples R China
4.Lincang Plant Protect & Quarant Stn, Lincang, Peoples R China
5.Lincang Agr Sci Res Inst, Lincang, Peoples R China
Recommended Citation
GB/T 7714
Zhu Wenqiang,Wang Jingran,Wu Qi,et al. Investigation on types of corn rust in eastern Yunnan ecology and analysis of population genetic structure of its rusts[J]. ACTA AGRICULTURAE SCANDINAVICA SECTION B-SOIL AND PLANT SCIENCE,2022,72(1):485-495.
APA Zhu Wenqiang.,Wang Jingran.,Wu Qi.,Wang Na.,Guo Jianwei.,...&Li Chengyun.(2022).Investigation on types of corn rust in eastern Yunnan ecology and analysis of population genetic structure of its rusts.ACTA AGRICULTURAE SCANDINAVICA SECTION B-SOIL AND PLANT SCIENCE,72(1),485-495.
MLA Zhu Wenqiang,et al."Investigation on types of corn rust in eastern Yunnan ecology and analysis of population genetic structure of its rusts".ACTA AGRICULTURAE SCANDINAVICA SECTION B-SOIL AND PLANT SCIENCE 72.1(2022):485-495.
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