吡虫啉是烟碱类超高效杀虫剂,具有广谱、高效、低毒、低残留,害虫不易产生抗性,对人、畜、植物和天敌安全等特点,并有触杀、胃毒和内吸等多重作用。害虫接触药剂后,中枢神经正常传导受阻,使其麻痹死亡。还可有效控制小麦整个生育期蚜虫的危害,持效期长达7个月之久,同时吡虫啉能刺激植物生长,具有增加分蘖、壮苗,增产作用。药效和温度呈正相关, Imidacloprid is a nicotine super-efficient insecticide with broad spectrum, high efficiency, low toxicity and low residue, insects are not easy to produce resistance, safe to human, livestock, plants and natural enemies, and have contact toxicity, stomach poison and systemic absorption And so on multiple role. Pesticides contact with drugs, the normal conduction blocked the central nervous, paralysis of death. But also can effectively control the harm of aphids throughout the growing period of wheat, and the persistence period is as long as 7 months. In the meantime, imidacloprid can stimulate plant growth, increase tillering, strong seedling growth and increase yield. Efficacy and temperature were positively correlated,