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进行20.5%烟嘧磺隆.莠去津悬浮剂防除春玉米田杂草的试验,结果表明:20.5%烟嘧磺隆.莠去津悬浮剂在玉米3~5叶期、杂草2~4叶期进行茎叶喷雾,对1年生禾本科杂草稗草和阔叶杂草黎、龙葵、荞麦蔓防效较好,对苣荬菜也有一定防效,但药后30 d对苣荬菜株防效降至60%以下。该药对玉米安全,因此在生产上可用来防除玉米田1年生禾本科杂草和阔叶杂草,每667 m2推荐使用剂量为125~150 ml。
The results showed that: 20.5% Nicosulfuron. Atrazine suspension in the corn 3 to 5 leaf stage, weeds 2 to 4 Leaf stage spray stems and leaves, on the annual grass weeds barnyardgrass and broad-leaved weeds Lebanon, Solanum nigrum, buckwheat manure better control efficiency, but also have some control effect on Brasenia schreberi, but 30 d after the treatment of chicory Plant lines control effect dropped below 60%. The drug is safe for maize and therefore can be used in production to control 1-year-old grass weeds and broad-leaved weeds in corn fields, with a recommended dosage of 125-150 ml per 667 m2.