八种除草剂防除冬油菜田杂草的效果比较  

Comparison on Efficacies of 8 Herbicides in Winter Oilseed Rape Field

作　　者：常向前[1] 褚世海[1] 李儒海[1] 朱文达[1] 

机构地区：[1]湖北省农业科学院植保土肥研究所,武汉430064

出　　处：《湖北农业科学》2007年第6期939-941,989,共4页Hubei Agricultural Sciences

基　　金：湖北省农业科技创新中心项目(2007-620-001-03)

摘　　要：研究了8种除草剂防除冬油菜田杂草的效果。结果表明,在以牛繁缕为主要杂草的冬油菜田中,每公顷用17.5%草除.精喹禾EC 236 g、263 g两种处理的防除效果最好,其次为50%高特克SC 375 g。8.8%精喹禾灵EC 66 g、79 g,10.8%高效氟吡甲禾灵EC 41 g、49 g,15%精吡氟禾草灵EC 135 g、180 g,69 g.L-1精噁唑禾草灵EC 52 g、62 g,17.5%草除.精喹禾EC 236 g、263 g对禾本科杂草的防除效果较好;75%二氯吡啶酸SG 120 g、150 g对稻槎菜的防除效果较好。Efficacies of 8 herbicides in winter oilseed rape field were compared. The results showed that, 17.5% benazolin ＆ quizalofop-p-ethyl EC 236 g·hm^-2 and 263 g·hm^-2 had shown best overall efficacies, followed by 50% benazolin-ethyl SC 375 g·hm^-2 8.8% quizalofop-p-ethyl EC 66 g·hm^-2 and 79 g·hm^-1 10.8% haloxyfop-R-methyl EC 41 g·hm^-2 and 49 g·hm^-2 15% fluazifop-p-butyl EC 135 g·hm^-2 and 180 g·hm^-2, 69g·hm^-2 fenoxaprop-ethyl EC 52 g·hm^-2 and 62 g·hm^-2.17.5% benazolin ＆ quizalofop-p-ethyl EC 236 g·hm^-2 and 263 g·hm^-2 had shown high efficacies in controlling poaceous weeds; 75% clopyralid SG 120 g·hm^-2 and 150g·hm^-2 had shown best efficacies in controlling Lapsana apogonoides.

关 键 词：油菜田 杂草 除草剂 防除效果 

分 类 号：S565[农业科学—作物学] S451.2