广谱速效杀虫剂──万灵万灵是美国杜邦公司研究开发的一种氨基甲酸酯类杀虫剂，可有效地防治菜青虫、烟青虫，各种蚜虫等多种害虫的卵、幼虫及成虫。其主要杀虫原理是抑制虫体内胆硷酯酸的作用。目前市场上常用剂型为９０％可湿性粉剂，具有杀虫作用迅速、杀虫谱广泛、渗... Broad-spectrum quick-acting insecticide ─ ─ Wanyuanlingling is the United States DuPont research and development of a carbamate insecticide, which can effectively control Pieris rapae, tobacco budworm, aphids and other pests of eggs, larvae And adults. Its main insecticidal principle is to inhibit the role of cholinesterase in parasites. Currently on the market dosage form is 90% WP, with rapid insecticidal action, insecticidal spectrum is broad, infiltration ...