黑龙江省水稻田封闭除草由于多年连续使用吡嘧磺隆、苄嘧磺隆等药剂,导致野慈姑(驴耳菜)、泽泻(水白菜)、雨久花(兰花菜)等阔叶杂草及三棱草等莎草科杂草抗药性增强,危害加重。剂意大利意赛格公司最新研制生产的嘧苯胺磺隆(意莎得),可以替代20多年一直使用的吡嘧磺隆、苄嘧磺隆防除水稻田阔叶杂草、莎 Closure of weeds in paddy fields in Heilongjiang Province Due to the continuous use of pyrazosulfuron and bensulfuron-methyl for many years, broad-leaved weeds such as wild arrowheads, donkey-hide (Alisma orientalis), Alisma orientalis And Sanguancao Cyperaceae weeds such as enhanced resistance, increased risk. Italy Italy Saige company’s latest development and production of pyrimethanesulfonamide (Italian Shade), can replace more than 20 years has been the use of pyrazosulfuron, bensulfuron-based control of broad-leaved weeds in paddy fields, Sha