近年来,我们收集了几种国内外昆虫生长调节剂,经试验对蔬菜害虫有较高活性。与拟除虫菊酯及有机磷比较,用量低、高效低毒,持效期为10～15天。其中,以定虫隆、酰基脲、农梦特较优,对较难防治的小菜蛾、甜菜夜蛾用5ppm浓度,防治效果达90％以上。在大白菜生育期施药1次,即可控制其为害。 In recent years, we collected several domestic and foreign insect growth regulators, the test has higher activity on vegetable pests. Compared with pyrethroid and organic phosphorus, the dosage is low, high efficiency and low toxicity, and the persistence period is 10 to 15 days. Among them, the insecticide, acyl urea, agricultural dream special superior, more difficult to control the diamondback moth, beet armyworm with 5ppm concentration, control effect of more than 90%. In the cabbage fertility period of 1, you can control the damage.