1980年在宝应、1981年在宿迁做了5.5％哌津混合颗粒剂防除眼子菜的药效试验。 5.5％哌津混合颗粒剂为瑞士汽巴—嘉基公司出品,有效成分为哌草磷和戊草津。哌草磷主要防治单子叶杂草,加入戊草津则增加了对大多数一年生宽叶杂草的杀草范围,前者在植物体内的作用机制至今尚不完全清楚,后者的有效成分均三氮苯可能是阻止光合作用中的希尔反应。 In Baoying in 1980, in 1981 in Suqian made a 5.5% piperazine mixed granules to prevent eye drops of the efficacy test. 5.5% Pizhen mixed granules for the Swiss Ciba - Jiaji company produced, the active ingredient is piperitine and pentizin. The main control of monocotyledonous grass weeds Pipyzantin, perennial green weeds increased most of the annual grass weed control range, the former mechanism of action in plants so far not yet fully understood, which are the active ingredient triazine Benzene may be a deterrent to Hill’s reaction in photosynthesis.