2,4-滴异辛酯·莠去津51%悬浮剂防除夏玉米田杂草药效与安全性评价

Efficacy and Security Test of 2,4-D-ethylhexyl·atrazine 51% SC for Control of Weeds in Summer Maize Field

田间试验结果表明,夏玉米田播后芽前使用2,4-滴异辛酯·莠去津51%悬浮剂50～70g/667m2,对夏玉米田阔叶杂草和禾本科杂草均有较好的防除效果,并且有较长的持效期,对夏玉米生长安全。

Efficacy test results showed that 2,4-D-ethylhexyl.atrazine 51% SC at the dosage of 50~70g/667m2 had good prevention and elimination effect on broadleaf weeds and gramineous weeds. Pre-emergenee stage was the optimal time for spraying herbicides. The persistent effect was long. It was safe to summer maize with the application dosage in this trial.