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Assessment of Risk of Establishment of Wheat Dwarf Bunt (Tilletia controversa) in China

文献类型： 外文期刊

作者： Jia Wen-ming 2 ; Zhou Yi-lin 1 ; Duan Xia-yu 1 ; Luo Yong 3 ; Ding Sheng-li 2 ; Cao Xue-ren 1 ; Fitt, Bruce D. L. 4 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

2.Shihezi Univ, Coll Agr, Shihezi 832003, Peoples R China

3.China Agr Univ, Dept Plant Pathol, Beijing 100193, Peoples R China

4.Univ Hertfordshire, Hatfield AL10 9AB, Herts, England

关键词： wheat dwarf bunt;geophytopathological model;geographical information system;risk analysis

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2013 年 12 卷 1 期

页码：

收录情况： SCI

摘要： Wheat dwarf bunt, caused by Tilletia controversa Kuhn (TCK), is an important quarantine wheat disease throughout the world. Based on published research results of the biology and the epidemiology of the disease, the main factors including temperature, humidity, snow cover, and their parameters relating to teliospore germination, infection and epidemics of TCK were determined. The geophytopathological models for the risk analysis of wheat dwarf bunt establishment were modified. Fifty-year meteorologic data from about 500 weather stations in China were used to calculate the probabilities of TCK establishment in different geographic sites with the models. The map that displays the establishment risk of TCK in winter wheat growing regions in China was generated by using geographical information system (GIS). The zones showing high, moderate, low, and very low, including no risk, of TCK establishment accounted for 27.33, 27.69, 38.12, and 6.86% of total winter wheat growing areas in China, respectively. These results will provide useful information to formulate quarantine regulations and wheat importation policy in China.

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