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Alternate Hosts of Puccinia striiformis f. sp. tritici and Their Role

by Sajid Mehmood 1,†, Marina Sajid 2,†, Jie Zhao 1, Lili Huang 1,* and Zhensheng Kang 1,*
1
State Key Laboratory of Crop Stress Biology for Arid Areas, College of Plant Protection, Northwest A&F University, Yangling 712100, China
2
College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
*
Authors to whom correspondence should be addressed.
These authors contributed equally to the work.
Pathogens 2020, 9(6), 434; https://doi.org/10.3390/pathogens9060434
Received: 26 March 2020 / Revised: 24 May 2020 / Accepted: 27 May 2020 / Published: 2 June 2020
(This article belongs to the Section Plant Pathogens)
Understanding the interactions between the host and the pathogen is important in developing resistant cultivars and strategies for controlling the disease. Since the discovery of Berberis and Mahonia spp. as alternate hosts of the wheat stripe rust pathogen, Puccinia striiformis Westend. f. sp. tritici Erikss. (Pst), their possible role in generating new races of Pst through sexual reproduction has become a hot topic. To date, all the investigations about the role of alternate hosts in the occurrence of the wheat stripe rust epidemics revealed that it depends on alternate host species and environmental conditions. In this review, we summarized the current status of alternate hosts of Pst, their interactions with the pathogen, their importance in genetic diversity and disease epidemics. Most importantly, the recent research progress in understanding the role of alternate hosts of Pst is provided. View Full-Text
Keywords: Puccinia striiformis f. sp. tritici; alternate hosts; stripe rust of wheat; genetic diversity; epidemics Puccinia striiformis f. sp. tritici; alternate hosts; stripe rust of wheat; genetic diversity; epidemics
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Mehmood, S.; Sajid, M.; Zhao, J.; Huang, L.; Kang, Z. Alternate Hosts of Puccinia striiformis f. sp. tritici and Their Role. Pathogens 2020, 9, 434.

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