3种药剂防除黄帚橐吾药效及药害分析  

Pharmaceutical and Phytotoxic Analysis of Three Herbicides for Control of Ligularia virgaurea

作　　者：李林霞[1] 于红妍[1] LI Lin-xia;YU Hong-yan(General Grassland Station of qinghai Province,Xining 810008,China)

机构地区：[1]青海省草原总站,青海西宁810008

出　　处：《畜牧与饲料科学》2018年第8期50-53,共4页Animal Husbandry and Feed Science

摘　　要：采用30%氨氯吡啶酸·二氯吡啶酸、31%氨氯吡啶酸·2,4-滴、15%双氟磺草胺·氯氟吡氧乙酸异辛酯3种药剂,在青海省海晏县黄帚橐吾危害区进行防除黄帚橐吾的药效试验。结果显示,用药量在1 650 g/hm^2的31%氨氯吡啶酸·2,4-滴对该地草原黄帚橐吾的平均防治效果达到了80%以上,高于其他处理,其对优良牧草基本无药害。A pharmacodynamic testing of three herbicides, including 30% picloram · clopyralid, 31% picloram · 2,4 - D and 15% florasulam .fluroxypyr-mepthyl, for controlling Ligularia virgaurea was carried out in Haiyan County of qinghai Province. The results showed that the average control efficacy of 31% picloram · 2,4-D reached up to 80% with the application dosage of I 650 g/hm2, which was higher than the other two herbicides, and it had no phytotoxicity to high quality forage.

关 键 词：黄帚橐吾 防除 药效 分析 

分 类 号：S812.6[农业科学—草业科学]