摘要
应用3种药品在高寒牧区对草地黄帚橐吾(Ligularia virgaurea)进行了药剂筛选试验。结果表明,施药后,从经济、防效、安全的角度考虑,清橐1号用药量1800ml/hm^2处理区,防治效果达到89.5%,对大部分优良牧草安全。
Three kinds of herbicides were used to screening test contro1 Ligularia virgaurea in Alpine Region.We considered from the perspective of economy, control effect and safety. After herbicide the result showed thatthe effect to control Ligularia virgaurea of NO.1 Qingtuo was achieved 89.5% at the doses of 1800 ml / hm2treatment area.It was found that the herbicide was safe to most of quality forage.
出处
《青海草业》
2018年第1期7-10,共4页
Qinghai Prataculture
关键词
黄帚橐吾
防除
药效
筛选试验
Ligularia virgaurea
Control
Herbicide
Screening test