2018年我国小麦赤霉病重发特点及原因分析

Occurrence characteristics and reason analysis of wheat head blight in 2018 in China

受赤霉病常发区小麦抽穗扬花期降雨偏多、品种抗病性差、田间菌源量大等因素影响,2018年我国小麦赤霉病在长江中下游、江淮及黄淮南部大部麦区偏重以上程度流行,明显重于2017年。本文分析了2018年小麦赤霉病的重发特点及其原因,提出了下一步小麦赤霉病监测治理的对策及建议。

Influenced by factors such as much precipitation at wheat heading and flowering stage, poor resistance of wheat varieties, and large amount of Fusarium graminearum, wheat head blight was prevalent in the middle and lower reaches of the Yangtze River, most of the wheat areas in Jianghuai and in the south of Huanghuai in 2018, significantly heavier than that in 2017. In the paper, the occurrence characteristics and causes of wheat head blight in 2018 were analyzed, and the advice of monitoring and control against wheat scab was put forward.