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Identification of eight Berberis species from the Yunnan-Guizhou plateau as aecial hosts for Puccinia striiformis f. sp. tritici, the wheat stripe rust pathogen

作者:   来源:   发布日期:2020-08-03  浏览次数:

论文信息: Identification of eight  Berberis  species from the Yunnan-Guizhou plateau as aecial hosts for  Puccinia striiformis  f. sp.  tritici , the wheat stripe rust pathogen. Li Si-nan*, Chen Wen*, Ma Xin-yao, Tian Xia-xia, Yao Liu, Huang Li-li, Kang Zhen-sheng?, Zhao Jie?. Journal of Integrative Agriculture, 2020, 19(0), 2-8.

JCR分区Q1,中科院大类农林科学二区,IF=1.984

论文摘要:  Puccinia striiformis  Westend. f. sp.  tritici  Erikss. ( Pst ) infects wheat and causes stripe rust. The rust is heteroecious with wheat as the primary uredinial and telial host and barberry ( Berberis  spp.) as the alternate pycnial and aecial host. More than 40  Berberis  species have been identified to be alternate hosts for  Pst , and most of these are Chinese  Berberis  species. However, little is known about  Berberis  species or their geographic distributions in the Yunnan-Guizhou plateau in southwestern China. The Yunnan-Guizhou plateau is considered to be an important and relatively independent region for evolution of the wheat stripe rust pathogen in China because the entire disease cycle can be completed within the region. In this study, we conducted a survey of barberry plants in the Yunnan-Guizhou plateau and identified the eight  Pst  susceptible  Berberis  species under controlled conditions, including  B. julianae ,  B. tsienii ,  B. veitchii ,  B. wilsonae ,  B. wilsonae  var.  guhtzunica ,  B. franchetiana ,  B. lepidifolia  and  B. pruinosa . These species were reported for the first time to serve as alternate hosts under controlled conditions for the wheat stripe rust pathogen.

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