46%硝磺草酮·莠去津·异丙甲草胺OD防除玉米田1年生杂草田间药效试验

Field Efficacy of 46%Mesotrione·Atrazine·Metolachlor OD on Controlling 1-year-old Weeds in Maize Field

[目的]考察46%硝磺草酮·莠去津·异丙甲草胺OD对玉米地主要杂草的防除效果。[方法]以10%硝磺草酮OD、38%莠去津SC、72%异丙甲草胺EC、人工除草和空白对照处理为对照,开展了田间药效试验,[结果]从防效、成本等角度综合考虑,推荐施用46%硝磺草酮·莠去津·异丙甲草胺OD制剂量2250~3000 mL/hm^(2)。[结论]46%硝磺草酮·莠去津·异丙甲草胺OD可作为玉米地杂草防除药剂,防除效果较好,且对玉米产量无影响。

[Objective]To investigate the control effect of 46%mesotrione·atrazine·metolachlor OD on main weeds in maize field.[Method]Field trials were carried out with 10%mesotrione OD,38%atrazine SC,72%metolachlor EC,artificial weeding and blank control as controls.[Result]Considering the control effect and cost,the recommended dosage of 46%mesotrione·atrazine·metolachlor OD preparation was 2250~3000 ml/hm^(2).[Conclusion]46%mesotrione·atrazine·metolachlor OD can be used as weed control agent in maize field,with good control effect and no effect on maize yield.