| Joint Acaricidal Action of Diafenthiuron and Fenbutatin-oxide Against Tetranychus cinnabarinus （Boisduval） （Acari： Tetranychidae） |
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| 作者姓名： | Zhenguo YANG Daoyan XIE Aisi DA Xiujun JIANG Jing NI Ping HUANG Jianping CHAI |
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| 作者单位： | Institute of Sericulture & Apiculture, Yunnan Academy of Agricultural Sciences, Mengzi 661101, China |
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| 基金项目： | National Natural Science Foundation of China，Earmarked Fund for China Agriculture Research System，the Innovation Fund of Young Scholars in Institute of Sericulture & Apiculture |
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| 摘 要： | Objective]This study was conducted to obtain a new high-efficiency acaricide mixture.Method]The synergism acaricidal of diafenthiuron and fenbutatin-oxide against carmine spider mite was investigated,and the optimal ratio of both acaricides were determined by means of co-toxicity factors and co-toxicity coefficients（CTC）.Result]At 24 h post-treatment,the LC50values of diafenthiuron and fenbutatin-oxide against T.cinnabarinus female adults were 154.67 and 93.26 mg/L,respectively,and the synergistic mass ratios of diafenthiuron and fenbutatin-oxide ranged from 1：0.06 to 1：0.87,and the optimal diafenthiuron-to-fenbutatin-oxide ratio was 1：0.39 with the LC50and CTC of 67.87 mg/L and 188.93（CTC significantly above 100 strongly indicated synergism）,respectively,and the toxicity relative to diafenthiuron and fenbutatin-oxide was 2.28 and 1.37 times,respectively.Conclusion]The joint acaricidal action of diafenthiuron and fenbutatin-oxide strongly indicates synergism.These findings proved scientific theoretical basis for mixing diafenthiuron and fenbutatin-oxide to control spider mites and developing a new synergisic acaricide.
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| 关 键 词： | 锡氧化物 朱砂叶螨 联合行动 杀螨剂 丁醚 苯 脲 协同作用 |
Joint Acaricidal Action of Diafenthiuron and Fenbutatin-oxide Against Tetranychus cinnabarinus (Boisduval) (Acari: Tetranychidae) |
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| Zhenguo YANG,Daoyan XIE,Aisi DA,Xiujun JIANG,Jing NI,Ping HUANG,Jianping CHAI.Joint Acaricidal Action of Diafenthiuron and Fenbutatin-oxide Against Tetranychus cinnabarinus (Boisduval) (Acari: Tetranychidae)[J].Agricultural Science ＆ Technology,2014,15(12):2159-2163. |
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| Authors: | Zhenguo YANG Daoyan XIE Aisi DA Xiujun JIANG Jing NI Ping HUANG Jianping CHAI |
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| Abstract: | Tetranychus cinnabarinus Diafenthiuron Fenbutatin-oxide Co-toxicitycoefficient Toxicity ratio |
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| Keywords: | Tetranychus cinnabarinus Diafenthiuron Fenbutatin-oxide Co-toxicity coefficient Toxicity ratio |
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