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全国农业技术推广服务中心近日称,近期南方降雨频繁,稻飞虱大量迁入,田间虫量增长迅猛,明显高于上年同期。据统计,截至5月底稻飞虱累计发生面积2084万亩次,是两周前发生面积的3.1倍。结合当前水稻生育期、稻飞虱田间基数及下阶段天气情况综合预判,稻飞虱在南方早稻后期发生形势不容乐观,各地需密切关注田间发生动态,及时发布病虫情报,适期指导农民开展防治。
National Agricultural Technology Extension Service Center recently said that the recent frequent rainfall in the south, a large number of planthopper immigrants, the rapid growth of field insects, significantly higher than the same period last year. According to statistics, as of the end of May, the cumulative area of rice planthoppers occurred 20.84 million mu, 3.1 times that of the area two weeks ago. Combined with the current rice growth period, the base of rice planthoppers field and the next phase of weather conditions comprehensive prediction, planthopper in the late southern rice situation is not optimistic about the need to pay close attention to developments in the field around the timely release of pests and diseases, timely guidance farmers To carry out prevention and treatment.