当前正值小麦产量形成的关键时期,受异常气候影响,今年小麦病虫害发生时间早、面积大、流行快,特别是小麦赤霉病、条锈病、纹枯病和小麦蚜虫、麦蜘蛛、吸浆虫“三病三虫”呈加重发生趋势,对夏粮生产形成威胁。4月12日,农业部在河南省鹤壁市召开小麦主产区防病虫促春管保丰收现场会,全面部署以病虫害防控为重点的小麦中后期田间管理工作。据全国农作物重大病虫测报网监测,全国小麦病虫害累计发生2.03亿亩,较去年同期增加58.3%。预计随气温回升和降雨量增加,小麦 At present, the critical period of wheat yield formation is affected by the abnormal climate. This year wheat diseases and insect pests occur early, with large area and rapid popularization, especially wheat scab, stripe rust, sheath blight and wheat aphid, wheat spider, “Three diseases and three insects,” was aggravating the trend, the threat to summer grain production. On April 12, the Ministry of Agriculture held a field meeting on prevention and control of pest, disease and insects in spring wheat in Hebi City, Henan Province to facilitate the management of spring pests, and comprehensively deployed mid-late field management of wheat with pest and disease control as the key point. According to the national monitoring report of major pests and diseases of crops, the total number of wheat diseases and pests in the country was 2.03 million mu, an increase of 58.3% over the same period of last year. Expected to pick up with temperature and rainfall, wheat