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

Wheat dwarf bunt, caused by Tilletia controversa Kühn （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 relat...

Full description

Saved in:
Bibliographic Details
Published in农业科学学报：英文版 no. 1; pp. 87 - 94
Main Author JIAWen-ming ZHOU Yi-lin DUAN Xia-yu LUO Yong DING Sheng-li CAO Xue-ren Bruce D L Fitt
Format Journal Article
LanguageEnglish
Published 2013
Subjects
TCK
中国
冬孢子萌发
地理信息系统
小麦矮腥黑穗病
检疫规定
流行病学
风险评估
Online AccessGet full text

Cover

More Information
Summary:Wheat dwarf bunt, caused by Tilletia controversa Kühn （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.
Bibliography:10-1039/S
wheat dwarf bunt; geophytopathological model; geographical information system; risk analysis
Wheat dwarf bunt, caused by Tilletia controversa Kühn （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.
ISSN:2095-3119
2352-3425