盐城市小麦白粉病发生特点与防治对策

Patterns of Wheat Powdery Mildew Incidence in Yancheng City and Control Measures

小麦白粉病在江苏盐城麦区发生程度逐年加重,且已呈现常发态势。2015年本地小麦白粉病的发生特点,从小麦品种、气候条件、栽培方式等方面分析了重发原因,并提出了适时适量播种小麦,选用抗病品种,应用新型高效药剂以及采用"预防为主,抓小治早"的防治对策,以期为小麦白粉病的防治提供技术支持。

In recent years,there has been an increased incidence of wheat powdery mildew in Yancheng City of Jiangsu Province,which has become a recurrent disease. This paper elaborates patterns of its incidence in 2015 when it reached epidemic levels in Yancheng. The factors contributing to the high incidence of wheat powdery mildew are also discussed,which include the adopted wheat varieties being susceptible to powdery mildew,and the weather conditions and cultural practices favoring the development of this disease. Finally,control measures are recommended,which should be effective in reducing the incidence of wheat powdery mildew in the future.