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当前位置: 首页 > 文章 > 常用药剂对扶桑绵粉蚧雌成虫的毒力测定及对天敌的影响 环境昆虫学报 2016,38 (4) 755-760
Position: Home > Articles > Toxicities of various pesticides commonly to Phenacoccus solenopsis Tinsley female adults and its influence on its natural enemies Journal of Environmental Entomology 2016,38 (4) 755-760

常用药剂对扶桑绵粉蚧雌成虫的毒力测定及对天敌的影响

作  者：
方天松;余海滨;陈坚;叶秋慧;潘志萍
单  位：
广东省生物资源应用研究所;广东省林业有害生物防治检疫管理办公室;广东省龙眼洞林场;华南农业大学农学院
关键词：
扶桑绵粉蚧;班氏跳小蜂;校正死亡率;毒力;影响
摘  要：
为筛选防治扶桑绵粉蚧的理想药剂及减少药剂对天敌的影响,本文采用浸渍法测定了5种药剂对扶桑绵粉蚧雌成虫的药效试验及对班氏跳小蜂的影响,结果表明,药剂对扶桑绵粉蚧雌成虫的致死作用与浓度成正比,即浓度越高杀虫效果越好。5种药剂中,吡虫啉与高效氯氰菊酯防治扶桑绵粉蚧速效、效果好,能较好地控制扶桑绵粉蚧的危害;而印楝素和阿维菌素药效持续性明显好于化学药剂。班氏跳小蜂对在此基础上筛选出的10%吡虫啉与0.3%印楝素具有更高的敏感性,24 h对吡虫啉的LC_(50)为17.80mg/L;对印楝素的LC_(50)为17.80mg/L。吡虫啉、印楝素均作为防治扶桑绵粉蚧的备选药剂,并推荐印楝素可作为扶桑绵粉蚧绿色防治的首选药剂。
译  名：
Toxicities of various pesticides commonly to Phenacoccus solenopsis Tinsley female adults and its influence on its natural enemies
作  者：
FANG Tian-Song;YU Hai-Bin;CHEN Jian;YE Qiu-Hui;PAN Zhi-Ping;Forestry Pest Control and Quarantine Management Office of Guangdong Province;College of Agriculture, South China Agricultural University;Guangdong Long-yan-dong Forest Farm;Guangdong Key Laboratory of Integrated Pest Management in Agriculture,Guangdong Public Laboratory of Wild Animal Conservation and Utilization,Guangdong Institute of Applied Biological Resources;
关键词：
Phenacoccus solenopsis Tinsley;;Aenasius bambawalei Hayat;;corrected mortality;;toxicities;;effect
摘  要：
For screening ideal insecticides for control of P. solenopsis and reduce the influence of medicament on natural enemies,toxicities of various pesticides commonly to P. solenopsis female adults and influence on its natural enemies were determined with leaf dipping method. The results showed that the lethal effect of five kinds of pesticides on the female adults of P. solenopsis was proportional to pesticide concentration,namely, when the concentration was higher, the effect was better. Imidacloprid andλ-Cyhalothrin had much better effect than the others,avilable to P. Solenopsis and had better controlled its harm; The effect of Azadirachtin and Avermectin were longer-lasting than other three pesticides and efficacy continued in chemicals. Based on screening of 10% Imidacloprid and 0. 3% Azadirachtin, Aenasius bambawalei Hayat had higher sensitivity to the pesticides,24 h,LC_(50) of imidacloprid for 17. 80 mg / L; LC_(50) of azadirachtin for 17. 80 mg / L. Therefore,Imidacloprid and Azadirachtin could be referenced pesticides in P. solenopsis control,and Azadirachtin should be the first choice.

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