近年来普遍发生的苗期病害如烂种、烂芽、死苗等,地下害虫如金针虫、蛴螬等,地上害虫如蓟马、灰飞虱、蚜虫等,都对玉米生产安全构成严重威胁,特别是由于灰飞虱暴发而导致的玉米粗缩病,会给玉米带来灭顶之灾,严重的造成绝收,使农民朋友蒙受巨大损失。 In recent years, the common occurrence of seedling diseases such as rotten, rotten buds, dead seedlings, etc., underground pests such as insects such as insects, slugs and other ground pests such as thrips, Laodelphax striatellus, aphids, etc., pose a serious threat to the safety of corn production, In particular, due to the outbreak of Laodelphax striatellus caused corn, will bring the drowned corn, a serious cause of failure, farmers friends suffer huge losses.