乙草胺及其复配剂土壤封闭处理防除麦田硬草和繁缕的试验  

Efficacy of Soil Applied Acetochlor Alone and in Mixture with Thifensulfuron Methyl on Sclerochloa kengiana and Stellaria media

作　　者：缪翠云 陈翠芳 张雷 

机构地区：[1]光明食品集团上海市上海农场种植业中心,江苏大丰224151

出　　处：《杂草科学》2015年第3期52-54,共3页Weed Science

摘　　要：为有效防除麦田硬草和繁缕,选用乙草胺及其复配剂进行封闭,比较其防除效果及安全性。试验结果表明:在土壤墒情偏干、试验期间雨水偏少的情况下,20%乙草胺·噻吩磺隆可湿性粉剂1 350、2 700 g/hm2对硬草的封闭效果达86%以上、对繁缕的防效89%以上,且安全性佳。Pre- emergence treatments of acetochlor alone and in mixture with thifensulfuron methyl were evaluated for the control efficacy of Sclerochloa kengiana and Stellaria media. The mixture of acetochlor·and thifensulfuron methyl 20%WP at 1350 and 2700 g / hm^2 gave more than 86% and 89% control effect of S. kengiana and S. media,respectively,though under low soil moisture and less rain. The mixture demonstrated quite safe to wheat crop.

关 键 词：乙草胺 硬草 阔叶草 防效 

分 类 号：S451.2[农业科学—植物保护]