15%联苯菊酯·氟啶虫酰胺悬浮剂防治桃蚜药效试验

Efficacy of 15% Bifenthrin-Flonicamid SC against Green Peach Aphid,Myzus persicae(Sulzer)

为明确15%联苯菊酯·氟啶虫酰胺悬浮剂对桃蚜的田间防效,2017—2018年分别在河南、河北、辽宁3省的不同桃园进行了药效试验。结果表明,15%联苯菊酯·氟啶虫酰胺悬浮剂有效剂量为33.3~37.5 mg/L时对桃蚜防效很好,药后7、14 d的防效均在90%以上,对所有供试桃树安全。建议最好在春季桃蚜初发期至初盛期喷洒用药。

This study aimed to evaluate the field control effect of bifenthrin-flonicamid 15% SC against green peach aphid Myzus persicae(Sulzer).Field trials were carried out in different peach orchards in Henan,Hebei,Liaoning provinces,in 2017 and 2018 respectively.The results showed that 15% bifenthrin-flonicamid SC valid dosage of 33.3-37.5 mg/L was effective for green peach aphids control.The control effect was more than 90% at 7,14 d after spray treatment.It was safe to all peach trees in the trials.The best application time was from the initial period to the early peak period of the green peach aphid.