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室内外测定了4种酰胺类除草剂对玉米安全性及药效。结果表明 :异丙甲草胺与异丙草胺对玉米安全性最高 ,甲草胺次之 ,乙草胺对玉米苗期有药害。田间测产证明异丙甲草胺与异丙草胺对玉米增产明显 ,而乙草胺同人工除草对比略有减产。田间药效表明乙草胺对杂草防除效果最高
Four kinds of amide herbicides were tested indoors and outdoors on corn safety and efficacy. The results showed that metolachlor and isopropylallyl had the highest safety to corn, followed by alachlor and acetochlor to maize. Field test to prove that metolachlor and metolachlor increased significantly corn yield, while the acetochlor and artificial weeding slightly reduced production. Field efficacy showed that acetochlor had the highest control effect on weeds