25g/L五氟磺草胺OD防除直播稻田杂草效果研究  

Control Effect of Penoxsulam 25 g/L OD on Weeds in Direct Seeding Rice Field

作　　者：夏明聪[1] 李丽霞 马晓静[1] 任应党[1] 姜军 秦亚芳 李相逢 

机构地区：[1]河南省农业科学院植物保护研究所,郑州450002 [2]郑州市植保植检站,郑州450008 [3]开封市祥符区农业科学研究所,河南开封475100

出　　处：《现代农药》2015年第5期47-49,共3页MODERN AGROCHEMICALS

基　　金：河南省创新人才计划项目(144100510018);河南省财政支持农业科技创新项目

摘　　要：研究了25g/L五氟磺草胺可分散油悬浮剂对直播稻田一年生杂草的防除效果。结果显示,25 g/L五氟磺草胺可分散油悬浮剂22.50～56.25 g/hm2对田间稗草、异型莎草、鳢肠、苘麻等有较好防效,且对水稻安全。田间推荐有效成分用量为22.50～33.75 g/hm2,宜在水稻3～5叶期,杂草2～5叶期喷雾施用。The control effect of penoxsulam 25 g/L OD was studied on annual weeds in direct seeding rice field. The results showed that penoxsulam 25 g/L OD 22.50-56.25 g/hm2 had good control effects on Echinochloa crusgalli, Cyperus difformis, Eclipta prostrata, Abutilon theophrasti, and was safe to rice. The recommended dosages of active ingredient were 22.50-33.75 g/hm2, and the suitable stage was 3-5 leaf stage of rice, 2-5 leaf stage of weed.

关 键 词：25 g/L五氟磺草胺可分散油悬浮剂 安全性 除草效果 直播稻田 

分 类 号：S451.21[农业科学—植物保护]