Toxicity test of different pesticides and their mixed formulation against Aphis citricola | 不同杀虫剂对苹果黄蚜的毒力及复配研究
2013
Yu Qin, Shanxi Academy of Agricultural Sciences, Taiyuan (China), Institute of Plant Protection | Wang Zhen, Shanxi Academy of Agricultural Sciences, Taiyuan (China), Institute of Plant Protection | Feng Yuntao, Shanxi Academy of Agricultural Sciences, Taiyuan (China), Institute of Plant Protection
chinois. 采用浸虫法测定不同药剂对苹果黄蚜的毒力，并对不同药剂进行复配，测定复配药剂对苹果黄蚜的毒力和复配效果。结果表明：苹果黄蚜对啶虫脒最敏感，其次是吡虫啉、联苯菊酯、阿维菌素，对高效氯氰菊酯、氰戊菊酯敏感度较低，对马拉硫磷基本无敏感性。不同药剂复配以啶虫脒与阿维菌素配合效果最好，5种不同比例配合均表现为增效作用，其中啶虫脒与阿维菌素质量配比为2:1时增效作用最明显，其余依次为啶虫脒与阿维菌素（1:4）和（4:1）、啶虫脒与高效氯氰菊酯（1:4）、啶虫脒与氰戊菊酯（1:4）、啶虫脒与联苯菊酯（1:2），其共毒系数均高于400。田间试验同样表明：啶虫脒与阿维菌素（2:1）桶混处理效果明显好于单剂。
Afficher plus [+] Moins [-]anglais. In order to select effective single and mixed pesticides for the control of Aphis citricola van der Goot, toxicity of acetamiprid, imidacloprid, beta-cypermethrin, bifenthrin, abamectin, fenvalerate, phoxim, malathi- on and their mixtures were tested by insect-soaking method. The results showed that A. citricola was sensitive to acetamiprid, followed by imidacloprid, bifenthrin and abamectin. The toxicity of malathion was the lowest. Among all formula, the synergistic effect of the mixture of acetamiprid and abamectin at the proportion of 2:1 was the best, the second was acetamiprid and beta-cypermethrin at the proportion of 1:4, followed by acetamiprid and abamectin at the proportion of 1:4 and 4:1, acetamiprid and fenvalerate at the proportion of 1:4, acetamiprid and bifenthrin at the proportion of 1:2. Field experiments also indicated that control efficiency of the mixture of acetamiprid and abamectin at the proportion of 2:1 on A. citricola was better than that of their each single.
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