Journal article
Spatial genetic diversity and interregional spread of Puccinia striiformis f. sp. tritici in Northwest China
European journal of plant pathology, Vol.131(4), pp.685-693
12/2011
Handle:
https://hdl.handle.net/2376/115300
Abstract
In China, wheat stripe rust, caused by Puccinia striiformis f. sp. tritici, is one of the most destructive diseases of wheat. The Longnan and Linxia regions in Gansu Province and Qinghai Province are the major over-summering regions for the pathogen and key epidemiological zones in Northwest China. Population genetic diversity and interregional long-distance spread of the wheat stripe rust pathogen in Northwest China were studied using SSR markers. The genetic diversity in the Longnan population was much higher than those in the Linxia and Qinghai populations. Therefore, the molecular data confirmed that the Longnan region is a center of genetic diversity for P. striiformis f. sp. tritici in Northwest China. The low genetic differentiation (Gst = 0.15) and the extensive gene flow (Nm = 1.37) were found among the three regions in Northwest China. The most important conclusion of this study is that the stripe rust inoculum in Qinghai can come from both Longnan and Linxia, but mainly from Longnan directly in the spring.
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Details
- Title
- Spatial genetic diversity and interregional spread of Puccinia striiformis f. sp. tritici in Northwest China
- Creators
- Ninghai Lu - Henan Institute of Science and Technology Xinxiang Henan 453003 People’s Republic of ChinaJianfeng Wang - State Key Laboratory of Crop Stress Biology for Aried Areas and College of Plant Protection Northwest A&F University Yangling Shaanxi 712100 People’s Republic of ChinaXianming Chen - USDA-ARS and Department of Plant Pathology Washington State University Pullman WA 99164-6430 USAGangming Zhan - State Key Laboratory of Crop Stress Biology for Aried Areas and College of Plant Protection Northwest A&F University Yangling Shaanxi 712100 People’s Republic of ChinaChangqing Chen - State Key Laboratory of Crop Stress Biology for Aried Areas and College of Plant Protection Northwest A&F University Yangling Shaanxi 712100 People’s Republic of ChinaLili Huang - State Key Laboratory of Crop Stress Biology for Aried Areas and College of Plant Protection Northwest A&F University Yangling Shaanxi 712100 People’s Republic of ChinaZhensheng Kang - State Key Laboratory of Crop Stress Biology for Aried Areas and College of Plant Protection Northwest A&F University Yangling Shaanxi 712100 People’s Republic of China
- Publication Details
- European journal of plant pathology, Vol.131(4), pp.685-693
- Academic Unit
- Plant Pathology, Department of
- Publisher
- Springer Netherlands; Dordrecht
- Identifiers
- 99900548133501842
- Language
- English
- Resource Type
- Journal article