38％莠去津·精异丙甲草胺CS对玉米田杂草的防除效果

ZHU Longbao,SHI Xiaoli,LI Jun,ZHANG Yan,ZHANG Youming,ZHANG Haibo,ZHU Feng,ZHANG Fang

Modern Agrochemicals（2022）

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Abstract

为了验证38％莠去津·精异丙甲草胺CS对玉米田杂草的防除效果和安全性,于玉米田杂草萌发期对38％莠去津·精异丙甲草胺CS进行田间除草试验.结果表明,施药后20 d,38％莠去津·精异丙甲草胺CS能有效防除玉米田杂草千金子、马唐、铁苋菜,总草株防效为89.77％～97.06％;药后30d,总草鲜重防效为93.32％～98.64％,对玉米生长安全.建议在玉米播后苗前使用该药剂喷雾处理,应用剂量以4 872.56～5 997.00 g/hm2为宜.

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