40%异丙草胺·莠去津悬乳剂防除夏玉米田1年生杂草田间药效与安全性监测试验

Efficacy and Safety Monitoring Experiment on Control One Year Weed with 40% Propisochlor Atrazine Emulsion in Summer Maize Field

田间试验结果表明,夏玉米播后苗前使用40%异丙草胺.莠去津悬乳剂125～350g/667m2,对夏玉米田阔叶杂草和禾本科杂草均有较好的效果,有较长的持效性和安全性。

The results of experiment in field showed that the efficacy of control broad and gramineous weeds was good by the use of 40% propisochlor atrazine emulsion at 125～350 g/667 m2 after summer maize sowing before seeding,and to hold a longer period of effectiveness and safety.