江苏省稻田杂草种类较多,且分布广、危害重,产量损失大。随着化学除草技术的普及,除草醚、丁草胺等除草剂在稻田较长时间单一使用,使稗草、牛毛毡、三棱草等禾本科及莎草科杂草的发生逐渐减少,而鸭舌草、矮慈姑以及节节菜等阔叶杂草数量急剧增加。90年代初开始推广使用苄嘧黄隆或以苄嘧黄隆为主的各种复配剂,对阔叶杂草的防除 There is more weed species in paddy fields in Jiangsu Province, which are widely distributed and endangered seriously, yield loss is large. With the popularization of chemical weeding technology, weeding herbicides, butachlor and other herbicides were used singly for a long time in paddy fields, and the occurrence of weeds such as barnyard grass, cattle blankets, The population of broadleaf weeds such as Monochamus alternatus, dwarf arrowheads and sectional plants has sharply increased. In the early 90’s, the promotion of the use of bensulfuron-methyl or a variety of Bensulfuron-methyl compound, the broad-leaved weeds control