红小豆田间除草剂筛选试验  

Screening Test of Herbicides in Red Bean Field

作　　者：王成[1,2] 李卓夫[1] 闫峰[2] 曾玲玲[2] 王宇先[2] 于运凯[2] 刘洋[2] 

机构地区：[1]东北农业大学农学院,黑龙江哈尔滨150036 [2]黑龙江省农业科学院齐齐哈尔分院,黑龙江齐齐哈尔161005

出　　处：《黑龙江农业科学》2014年第2期50-53,共4页Heilongjiang Agricultural Sciences

基　　金：国家食用豆产业技术体系建设专项资助项目(CARS-09-Z10)

摘　　要：为筛选安全有效的红小豆大田除草剂,对红小豆品种小丰2号田间进行播后苗前除草试验。结果表明:除草效果最好的处理为75%噻吩磺隆WG 30g·hm-2+72%异丙甲草胺EC 1 800mL·hm-2,使用药剂后的20和40d的株防效最高,分别为94.0%和87.5%;其红小豆产量为2 024.6kg·hm-2,与其它处理产量差异达到了极显著水平,适宜在红小豆田中使用。In order to screen a safe and effective herbicide for red bean ,weed control experiment after seeding and before seedling was conducted for its application to red bean field .The results showed that the treatment of 75% Thifensulfuron WG 30 g·hm-2 ＋72% Metolachlor EC 1 800 mL·hm-2 had the best control effect ,and the total control effect were 94 .0% and 87 .5% respectively at 20 and 40 days after applying the yield of red bean was 2 024 .6 kg·hm-2 .Compared with other treatments ,the difference reached extremely significant level ,so that was suitable for red bean field .

关 键 词：红小豆 除草剂 安全性 防效 

分 类 号：S451.22[农业科学—植物保护]