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| 青海东部小麦条锈菌转主寄主小檗资源调查与鉴定 | |
| 引用本文： | 杜志敏,姚强,黄淑杰,闫佳会,侯璐,郭青云,赵杰,康振生. 青海东部小麦条锈菌转主寄主小檗资源调查与鉴定[J]. 植物病理学报, 2019, 49(3): 370-378 |
| 作者姓名： | 杜志敏 姚强 黄淑杰 闫佳会 侯璐 郭青云 赵杰 康振生 |
| 作者单位： | 西北农林科技大学植物保护学院,旱区作物逆境生物学国家重点实验室,杨凌 712100; 青海大学农林科学院,农业部西宁作物有害生物科学观测实验站,青海省农业有害生物综合治理重点实验室,西宁 810016 |
| 基金项目： | 长江流域冬小麦化肥农药减肥减施技术集成研究与示范(2018YFD0200500);陕西省自然科学基础研究计划项目(2017JM3006);国家重点基础研究发展计划项目(2013CB127700) |
| 摘 要： | 青海省是中国小麦条锈病的重要流行区。研究证实小檗是小麦条锈菌的转主寄主。然而,关于青海省分布的小檗能否作为小麦条锈菌转主寄主鲜有报道。本研究对青海东部的小檗资源进行调查,并对该地区小檗能否作为小麦条锈菌转主寄主进行了室内人工鉴定。结果表明:有10种小檗在青海东部常见且分布广泛,其中匙叶小檗、置疑小檗、松潘小檗、甘肃小檗和近似小檗,是小麦条锈菌的转主寄主小檗的新种类。本研究对进一步研究青海东部条锈菌有性生殖与毒性变异和小麦条锈病的流行奠定了基础。 |
| 关 键 词： | 小麦条锈病 小檗 有性生殖 转主寄主 越夏区 |
| 收稿时间： | 2018-07-20 |
Investigation and identification of barberry as alternate hosts for puccinia striiformis f. sp. tritici in eastern Qinghai |
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| DU Zhi-min,YAO Qiang,Huang Shu-jie,YAN Jia-hui,HOU Lu,GUO Qing-yun,ZHAO Jie,KANG Zhen-sheng. Investigation and identification of barberry as alternate hosts for puccinia striiformis f. sp. tritici in eastern Qinghai[J]. Acta Phytopathologica Sinica, 2019, 49(3): 370-378 | |
| Authors: | DU Zhi-min YAO Qiang Huang Shu-jie YAN Jia-hui HOU Lu GUO Qing-yun ZHAO Jie KANG Zhen-sheng |
| Affiliation: | State Key Laboratory of Crop Stress Biology for Arid Areas, College of Plant Protection, Northwest A F University, Yangling 712100, China; Key Laboratory of Agricultural Integrated Pest Management, Qinghai Province Scientific Observation and Experimental Station of Crop Pests in Xining, Ministry of Agriculture Academy of Agricultural and Forestry Sciences, Qinghai University, Xining 810016, China |
| Abstract: | Qinghai Province is a hot-spot region for Puccinia striiformis f. sp. tritici, the causal pathogen of wheat stripe rust, in China. Recent studies have reported that Berberis spp. serve as alternate hosts for P. striiformis f. sp. tritici. However, little is known about barberry as alternate hosts for P. striiformis f. sp. tritici in eas-tern Qinghai. In this study, survey of barberry resources and identification of barberry species as alternate hosts for P. striiformis f. sp. tritici by artificial inoculation were conducted in eastern Qinghai Province. The results showed that ten Berberis species were surveyed and distributed widely in eastern Qinghai. Five of the ten Berberis species, namely B. vernae, B. dubia, B. dictyoneura, B. kansuensis and B. approximata, were new Berberis species as alternate hosts for P. striiformis f. sp. tritici. This study provides a basis for revealing relationship between sexual reproduction of P. striiformis f. sp. tritici and virulence variation as well as epidemics of wheat stripe rust in eastern Qinghai. |
| Keywords: | wheat stripe rust Berberis sexual reproduction alternate host oversummering area |
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