绿磺隆(chlorsolfuron),代号为DPX-W4189,是美国杜邦公司1980年开发的磺酰类新型麦田除草剂。笔者于1987-1989年进行了田间试验和示范,结果如下。 一.防治适期 1989年分期施药结果表明,亩用绿磺隆有效成份1克,兑水40公斤,分别在小麦越冬期、返青期、拔节期、孕穗期喷施.对猪殃殃以小麦返青期和拔节期防效最高,其次为越冬期,鲜重防效分别达99.4％、99.2％和 Chlorsulfuron (chlorsolfuron), code-named DPX-W4189, is a new wheat field herbicide developed by Dupont America in 1980. The author conducted field experiments and demonstrations in 1987-1989 with the following results. I. Preventive period The results of phased spraying in 1989 showed that the amount of mu was 1 gram of active ingredients of chlorsulfuron and watered 40 kilograms of water respectively and they were sprayed over the winter, greening, jointing and booting phases of wheat. Wheat regreening and jointing stage control effect highest, followed by overwintering, fresh weight control effect respectively 99.4%, 99.2% and