新型杀虫剂氟吡呋喃酮对番茄烟粉虱田间药效评价

Field Efficacy Trials of Flupyradifurone against Bemisia tabaci

[目的]明确新型烟碱类杀虫剂17%氟吡呋喃酮可溶性液剂对番茄烟粉虱的田间防治效果。[方法]2015、2016年于山东烟台进行了田间药效试验。[结果]17%氟吡呋喃酮可溶性液剂(60~120 g a.i./hm^2)对番茄烟粉虱成虫和若虫药效迅速,药后7 d对成虫防效为85.48%~92.08%,若虫防效为75.83%~82.33%,成虫的防治效果优于若虫,持效期可达14 d左右。[结论]17%氟吡呋喃酮可溶性液剂可作为防治番茄烟粉虱的理想药剂,具有较好的应用和推广前景。

[Aims] The study aims to identify the field efficacy of a new insecticide flupyradifurone 17% SL for control ofBemisia tabaci on tomato. [Methods] In 2015 and 2016, the field efficacy trials were conducted in Yantai, Shandong. [Results] Flupyradifurone 17% SL was effective on B. tabaci adults and nymphs at 60-120 g a.i./ha. On 7 th Day after treatment, the controI effect was 85.48-92.08% on adults, 75.83-82.33% on nymphs, the control effect on adults was superior to that on nymphs, and the efficacy could last for 14 days. [Gonclusions] Flupyradifurone 17% SL can be used as an ideal insecticide for controlling Bemisia tabaci, and it has good application and promotion prospects.