2.5%溴氰菊酯水乳剂防治烟青虫田间药效
Field Control Efficacy of Lambda-cyhalothrin 2.5 % ME against Helicoverpa assulta
封海东 1蔡高磊 1欧阳友香 1胡学明 1张凡1
作者信息
- 1. 十堰市农业科学院,湖北十堰442000
- 折叠
摘要
[目的]寻找烟草烟青虫有效的防治药剂.[方法]采用大田试验研究2.5%溴氰菊酯水乳剂防治烟青虫的效果.[结果]2.5%溴氰菊酯水乳剂在18.75和22.50 g/hm2这2个处理浓度下对烟青虫的杀虫和防治效果最好,药后7d平均残虫数为1.00,防治效果最高达91.02%.
Abstract
[Objective] The aim was to find an effective medicament for prevention and control of Helicoverpa assulta.[Method] Field efficacy experiment was conducted to study control efficacy of lambda-cyhalothrin 2.5% ME against Helicoverpa assulta.[Result] Lambda-cyhalothrin 2.5% ME had good control effects to Helicoverpa assulta under the concentration of 18.75 and 22.50 g/hm2,and average of live Helicoverpa assulta were 1.00 and control effect reached 91.02% after spraying 7 days.
关键词
烟青虫/25/g/L溴氰菊酯水乳剂/烟草/防效Key words
Helicoverpa assulta/Lambda-cyhalothrin 2.5% ME/Tobacco/Control efficacy引用本文复制引用
出版年
2016