16.5%丙草胺·西草净EC对水稻移栽田杂草的防除效果  

Effects of 16.5% Emulsifiable Concentrate Mixed with Pretilachlor and Simetryn for Control of Weeds in Transplanted Rice Fields

作　　者：朱文达[1] 吴志凤[2] 王晶[1] 袁友明[1] 

机构地区：[1]湖北省农业科学院,武汉430064 [2]农业部农药检定所,北京100026

出　　处：《湖北农业科学》2011年第19期3971-3974,共4页Hubei Agricultural Sciences

基　　金：国家"十一五"科技支撑项目(2006BAD08A09)

摘　　要：研究了16.5%丙草胺.西草净EC防除水稻移栽田稗草、眼子菜和鸭舌草的效果,并测定了杂草对氮、磷、钾和水分的影响以及水稻产量的影响。结果表明,16.5%丙草胺.西草净EC对水稻移栽田的主要杂草具有良好的防治效果,有效成分用量为429～1 056 g/hm2的16.5%丙草胺.西草净EC综合密度防效和综合鲜重防效分别为86.09%～99.58%、87.81%～99.42%,显著优于对照药剂30%丙草胺EC和25%西草净WP。16.5%丙草胺.西草净EC施用后,增产效果总体优于对照药剂,在水稻移栽田具有良好的推广前景。Trials were conducted to evaluate the effects of emulsifiable concentrate mixed with pretilachlor and simetryn for control of Echinochloa crusgalli（L.） Beauv, Potamogeton crispus and Monochoria vaginalis（Burm. F.） and crop yield, as well as the variety discipline of the absorption of nitrogen, phosphorus, kalium and moisture. The results showed that 16.5% pretilachlor＋simetryn EC had good control of the main weeds in transplanted rice fields. The overall density control effects and fresh control effects were 86.09%-99.58% and 87.81%-99.42%, which was siginificantly higer than 30% pretilachlor EC, 25% simetryn WP. The application of 16.5% pretilachlor＋simetryn EC siginificantly increased the yield of rice which was better than those control herbicides. It has good application prospects in transplanted rice fields.

关 键 词：丙草胺·西草净 水稻移栽田 杂草防效 养分 水分 产量 

分 类 号：S451.21[农业科学—植物保护] S482.4