摘要
研究了苗后除草剂耕杰在玉米田的除草效果。结果表明:耕杰施用浓度为1 125-1 500 mL/hm2时,对阔叶类杂草(铁苋菜和田旋花)的防效均较好;当浓度为1 500 mL/hm^2时,对铁苋菜药后10 d防效为100%,对田旋花药后40 d防效为100%;耕杰对莎草防效较差。各剂量对玉米生产均安全。
The effects of herbicide Gengjie in post-seedling weeding in maize field was studied.The results showed that 1 125-1 500 mL/hm^2 Gengjie could control broad leaved weeds effectively.The control effect on copperleaf was 100% ten days after spraying Gengjie,that on bindweed was 100% forty days after spraying Gengjie,and that on sedges was bad.All the concentrations were safe.
出处
《河北农业科学》
2010年第4期51-52,共2页
Journal of Hebei Agricultural Sciences
关键词
耕杰
玉米田
除草效果
株防效
鲜重防效
Gengjie
Maize field
Weeding effect
Seem control effect
Fresh weight control effect