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 .
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)
关键词
红小豆
除草剂
安全性
防效
red bean
herbicides
safety
control effect
