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当前位置: 首页 > 文章 > 阿维菌素与三种杀虫剂对西花蓟马的联合毒力 植物保护 2011,37 (5) 206-209
Position: Home > Articles > Co-toxicity of abamectin with three other insecticides against the western flower thrips,Frankliniella occidentalis Plant Protection 2011,37 (5) 206-209

阿维菌素与三种杀虫剂对西花蓟马的联合毒力

作  者：
陈雪林;孙蓉;杜予州;王建军
单  位：
扬州大学园艺与植物保护学院
关键词：
西花蓟马;阿维菌素;共毒因子;共毒系数
摘  要：
阿维菌素是防治西花蓟马的常用药剂,为筛选出对西花蓟马具有增效作用的阿维菌素与其他药剂的混配组合,采用浸叶法测定了阿维菌素、毒死蜱、吡虫啉和吡蚜酮等药剂对西花蓟马2龄若虫的毒力,并通过共毒因子法和共毒系数法分别确定了最佳药剂配伍和最佳复配比例。结果表明,阿维菌素与毒死蜱复配表现出明显的增效作用;阿维菌素与毒死蜱比值为2∶8与8∶2时,增效作用最显著;阿维菌素与吡蚜酮、吡虫啉均表现出拮抗作用。
译  名：
Co-toxicity of abamectin with three other insecticides against the western flower thrips,Frankliniella occidentalis
作  者：
Chen Xuelin,Sun Rong,Du Yuzhou,Wang Jianjun(College of Horticulture and Plant Protection,Yangzhou University,Yangzhou 225009,China)
关键词：
Frankliniella occidentalis;abamectin;co-toxicity factor;co-toxicity coefficient
摘  要：
The abamectin is one of the commonly used insecticides for controlling western flower thrips(WFT),Frankliniella occidentalis(Pergande).To select synergistic mixture of abamectin with other insecticides against WFT,the toxicity of abamectin,chlorpyrifos,imidacloprid and pymetrozine against the second instar nymphae of western flower thrips were tested in the laboratory by leaf dipping methods,and the optimal combination and mixture ratio of abamectin with other insecticides were determined by co-toxicity factor method and the co-toxicity coefficient method,respectively.The results showed that both the abamectin and chlorpyrifos had relatively high toxicity against the second instar nymphae of western flower thrips.Significant synergism was observed in the mixture of abamectin and chlorpyrifos,with the ratios of 2∶8 and 8∶2 showing the highest synergism,while the mixture of abamectin,pymetrozine and imidacloprid showed antagonism.

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