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当前正值秋粮作物产量形成的重要时节,是三代粘虫等重大病虫的暴发危害期,也是病虫害防控的关键时期。据全国农作物病虫监测网监测和各地反映,秋粮作物重大病虫发生重于常年和上年,尤其是玉米粘虫将在东北、华北、黄淮部分地区出现集中暴发危害,水稻“两迁”害虫在南方大部稻区将偏重至大发生,东北稻区稻穗颈瘟、华北西北马铃薯晚疫病大面积流行风险增加,对秋粮生产安全构成严重威胁。
At present, the important season for the formation of autumn grain crops is the outbreak of major insect pest outbreaks such as the third generation of armyworms and is also a crucial period for the prevention and control of pests and diseases. According to the national monitoring and monitoring of crop diseases and insect pests in the country, major pests and diseases of autumn crops are heavier than perennial and last year. In particular, armyworms of corn will be concentrated outbreaks in parts of Northeast China, North China and Huanghuai areas, "Pests in the southern part of the rice will be more emphasis on the occurrence of large, northeast rice paniculosis, northwestern Northwest potato epidemic large-scale epidemic of increased risk of autumn crop safety pose a serious threat.