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中国气象局预计,今年将发生中等程度以上的厄尔尼诺事件,受其影响,西太平洋副热带高压波动异常,强对流天气频繁,降水偏多,会加重重大病虫发生危害。而夏秋季节也正是农作物病虫害高发期,稻飞虱、稻纵卷叶螟、稻瘟病、玉米螟、粘虫、二点委夜蛾、马铃薯晚疫病等迁飞性、流行性、暴发性病虫呈加重危害态势,严重威胁秋粮生产。加强病虫监测,开展应急防治和统防统治,遏制病虫暴发流行,才能掌握稳产增产的主动权。
China Meteorological Administration predicts that more than moderate-level El Niño events will occur this year. Affected by this, there will be anomalous fluctuations in the subtropical high in the western Pacific Ocean. Frequent convective weather and frequent precipitation will aggravate the occurrence of major pests and diseases. In the summer and autumn seasons, there are also migratory, epidemic and fulminant diseases such as crop pests and diseases, planthoppers, rice leafrolls, rice blast, corn borer, armyworm, armyworm, potato late blight Insects were aggravated the situation, a serious threat to autumn grain production. To strengthen the monitoring of pests and diseases, to carry out emergency prevention and control and prevention and control, to prevent the outbreak of pests and diseases in order to master the initiative to increase production steadily.