不同除草剂防除稻田杂草试验  

Weed Control Experiment in Paddy Field with Different Herbicides

作　　者：霍兴文[1] 李祥东[1] 黄立功[1] 

机构地区：[1]海伦市农业技术推广中心,黑龙江绥化152300

出　　处：《北方水稻》2008年第3期108-109,共2页North Rice

摘　　要：为了筛选出适合海伦市推广使用的除草剂品种,选取二氯.苄可湿性粉剂、一抛爽、龙杀、农得时、扫特、稻思达等常用除草剂进行了小区对比试验。结果表明:6种除草剂对水稻抛栽大田杂草防除及稻谷增产均有效果,其中二氯.苄可湿性粉剂、稻思达防除水稻旱育抛栽大田杂草的效果较好,施药后60 d总体株防效为73.4%、73.2%,增产80.7、79.1 kg/667m2,增收96.84、94.92元/667 m2。A plot comparative experiment was conducted to screen suitable herbicide varieties in Hailun City with bensulfuron-methyl-quinelorae （WP）, 30% bensulfuron-methyl-isoproturon （WP）, bensulfuron＋thiobencarb, bensulfuron-methyl, pretilaehlor and Topstar as entries. The results showed that the six herbicides had yield increasing effect, in which bensulfuron-methyl-quinelorac （WP） and Topstar performed better in the field scattered-planted with dry-raised seedlings. The weed control effect reached 73.4% and 73.2% 60 days after application. The yields were increased by 80.7 and 79.1 kg/667 m^2, and the returns increased by 96.84 and 94.92 yuan/667 m^2.

关 键 词：除草剂 水稻 旱育抛栽 杂草 防除 

分 类 号：S451.21[农业科学—植物保护]