摘要
为马铃薯蚜虫药剂防治提供技术参考,采用室内测定与田间试验相结合的方法研究7种杀虫剂对马铃薯蚜虫的防治效果。结果表明:7种杀虫剂对马铃薯蚜虫的致死中浓度(EC50)依次为8 000IU/mL苏云金杆菌悬乳剂(1.218IU/mL)<5%啶虫脒乳油(2.353×10^(-6) g/mL)<1.8%阿维菌素乳油(1.047×10^(-5)g/mL)<2.5%联苯菊酯乳油(1.630×10^(-5) g/mL)<20%丁硫克百威乳油(5.097×10^(-5) g/mL)<77.5%敌敌畏乳油(1.255×10^(-4) g/mL)<70%吡虫啉水分散粒剂(4.298 25×10^(-4)g/mL);7种杀虫剂(1 000倍液)均能极显著的降低马铃薯蚜虫田间虫口数量。其中,5%啶虫脒乳油和70%吡虫啉水分散粒剂的防治效果最好,8 000IU/mL苏云金杆菌悬乳剂、20%丁硫克百威乳油和1.8%阿维菌素乳油的防治效果一般,2.5%联苯菊酯乳油与77.5%敌敌畏乳油防治效果较差。生产上建议用5%啶虫脒乳油(1 000倍液)和70%吡虫啉水分散粒剂(1 000倍液)交替或混合使用防治马铃薯蚜虫。
In order to provide technical references for the control of potato aphid,the effects of seven kinds of insecticides on the control of potato aphid were studied by employing laboratory virulence test and field experiment.Results:Lethal concentration(EC 50)of seven insecticides on potato aphids was 8 000 IU/mL Bacillus thuringiensis SE(1.218 IU/mL)<5%acetamiprid EC(2.353×10^-6 g/mL)<1.8%avermectin EC(1.047×10^-5 g/mL)<2.5%bifenthrin EC(1.630×10^-5 g/mL)<20%carbosulfan EC(5.097×10^-5 g/mL)<77.5%dichlorvos EC(1.255×10^-4 g/mL)<70%imidacloprid WG(4.298 25×10^-4 g/mL),all of which(1 000 folds)extremely significantly decreased the quantity of potato aphid in the field.Among them,5%acetamiprid EC and 70%imidacloprid WG has the best control effect,8 000 IU/mL B.thuringiensis SE,20%carbosulfan EC and 1.8%avermectin EC are of general control effects,2.5%bifenthrin EC and 77.5%dichlorvos EC are of poor control effects.In production,it is suggested to use 5%acetamiprid EC(1 000 times)and 70%imidacloprid WG(1 000 times)alternately or mixed to control potato aphids.
作者
朱江
牛力立
樊祖立
范金华
唐兴发
张鹏
ZHU Jiang;NIU Lili;FAN Zuli;FAN Jinhua;TANG Xingfa;ZHANG Peng(Anshun Academy of Agricultural Sciences,Anshun,Guizhou 561000,China)
出处
《贵州农业科学》
CAS
2019年第4期60-63,共4页
Guizhou Agricultural Sciences
基金
国家马铃薯产业技术体系安顺综合试验站(CARS-09-ES25)
安顺市2017年市级科技计划及平台建设项目"彩色马铃薯引种鉴选及配套栽培技术研究与应用"[安市科农(2017)5]
关键词
马铃薯
蚜虫
杀虫剂
致死中浓度
毒力测定
田间药效
potato
aphids
insecticides
median lethal concentration
toxicity measurement
field efficacy
