0.25%噻虫嗪·虫螨腈控释颗粒剂防治甘蓝蚜虫的田间药效评价  

Efficacy evaluation of thiamethoxam·chlorfenapyr 0.25%controlled release granules to control Brevicoryne brassicae in the field

作　　者：李宝 葛亚菲 李旭昭 范凡[1] 苑士涛[1] 魏国树[1] LI Bao;GE Ya-fei;LI Xu-zhao;FAN Fan;YUAN Shi-tao;WEI Guo-shu(College of Plant Protection,Hebei Agricultural University,Baoding 071000,Hebei,China)

机构地区：[1]河北农业大学植物保护学院,河北保定071000

出　　处：《农药》2023年第1期59-61,共3页Agrochemicals

摘　　要：[目的]明确0.25%噻虫嗪·虫螨腈控释颗粒剂对甘蓝蚜虫的田间防效、最适药剂用量以及对非靶标生物的安全性和甘蓝的增产效果。[方法]0.25%噻虫嗪·虫螨腈控释颗粒剂在试验地耕地后耙平前进行均匀撒施处理。[结果]药后30 d,562.5、750、937.5 g a.i./hm2的0.25%噻虫嗪·虫螨腈控释颗粒剂对甘蓝蚜虫防治率达到89%以上,增产率达11%以上,对生物安全。[结论]0.25%噻虫嗪·虫螨腈控释颗粒剂防治效果显著,兼有增产效果,可推广使用。[Aims]This study aim to clarify the field control effect of thiamethoxam·chlorfenapyr 0.25%controlled release granules on Brevicoryne brassicae,and to clarify the appropriate application dosage,the safety of non-target beneficial insectsand,and the yield improvement evaluation of cabbage.[Methods]Thiamethoxam·chlorfenapyr 0.25%controlled release granules were broadcast over the fields after ploughing and before raking.[Results]On day 30 after pesticide treatment,the control rate of B.brassicae with thiamethoxam·chlorfenapyr 0.25%controlled release granules at active ingredients content 562.5,750,937.5 g a.i./ha was more than 89%,the yield was increased greater than 11%,and was safe for biosafety.[Conclusions]Thiamethoxam·chlorfenapyr 0.25%controlled release granules with active ingredients content 562.5-937.5 g a.i./ha has significant control effect,combined increase production effect,which can be popularized in production.

关 键 词：噻虫嗪·虫螨腈控释颗粒剂 甘蓝蚜虫 田间防效 

分 类 号：S482.3[农业科学—农药学]