6种药剂对蓝莓蚜虫的田间防治效果

本文针对蓝莓蚜虫,选取新型及常用针对蚜虫杀虫剂共6种,采用常规喷雾法比较了不同药剂、不同稀释倍数的田间药效,结果表明,22%氟啶虫胺腈SE、70%吡虫啉WG及20%啶虫脒SP在各供试浓度下,药后7、14和21d防治效果均在88.78%以上,具有良好的防治效果和持效性。70%吡蚜酮WG、95%矿物油EC及1.5%苦参碱SL三种药剂对蓝莓蚜虫亦具有一定的防治效果,但其防效与持效期均弱于前面三种药剂。

Field efficacy of 6 kinds of pesticides against blueberry aphids

This study compared field efficacy of six pesticides against blueberry aphids by using foliar spraying methods. The results showed that the control effect of 22% fluprofezin nitrile SE, 70% imidacloprid WG and 20% acetamiprid SP was above 88.78% at 7, 14 and 21 days after spraying pesticides, and had good control effect And effectiveness. 70% pymetrozine WG, 95% mineral oil EC and 1.5% matrine SL also had certain control effect on blueberry aphids, but their control and persistence were weaker than the previous three pesticides.