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运用直升飞机叶面喷洒啶虫脒防治黄二星舟蛾,喷药后第1d虫口减退率达44.3%,第5d虫口减退率达到87.6%,防治效果显著,适宜应用于大面积发生虫害的地区。
The spraying of acetamiprid on the foliage of helicopter could prevent and cure Cymbidium hupehensis. The rate of decrease was 44.3% on the 1st day after spraying and the rate of reduction on the 5th day was 87.6%. The control effect was significant and it was suitable to be used in the area of pest infestation .