2种助剂对“清橐1号”防治黄帚橐吾的减量增效作用

Reducing and Synergistic Effects of Two kinds of Spray Adjuvant on Control of Ligularia virgaurea by“Qingtuo No.1”

为达到农药减量增效的目的,将激健、迈丝2种喷雾助剂与“清橐1号”按不同比例复配,在青海省海晏县黄帚橐吾危害草地进行防除黄帚橐吾的药效试验,研究2种助剂与“清橐1号”复配后对防治黄帚橐吾的减量增效作用。结果表明,2种助剂均能对“清橐1号”药剂起到较好的增效作用,其中迈丝增效作用更好;2种助剂均能使供试药剂减量20%~40%,迈丝防效优于激健;建议在实际生产中用“清橐1号”72 mL+迈丝15 mL的配方。

In order to achieve the purpose of reducing herbicide application and increasing efficiency,the efficacy test of control of Ligularia virgaurea was carried out in Haiyan County,Qinghai Province by combining two spray adjuvant including Jijian and Maisi with“Qingtuo No.1”in different proportions against L·virgaurea were measured.The results showed that both spray adjuvant had good synergistic effect on“Qingtuo No.1”herbicide,and the best synergistic effect is Maisi.Both spray adjuvant can reduce herbicide the dosage by more than 20%~40%,and Maisi was the best.It is recommended to use the formula of“Qingtuo No.1”72 mL+Maisi 15mL in practical production.