牛心朴子与苦豆子两种提取物复配对小菜蛾幼虫的联合毒力作用
牛心朴子与苦豆子两种提取物复配对小菜蛾幼虫的联合毒力作用
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上海师范大学生命与环境科学学院化学系,上海,200234
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Chinese
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上海师范大学生命与环境科学学院化学系,上海,200234
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S-3; 以牛心朴子和苦豆子为供试植物,小菜蛾幼虫为供试试虫,采用浸渍法测定了两种植物提取物复配后对小菜蛾幼虫的联合毒力.结果表明:牛心朴子与苦豆子提取物复配后具有增效作用,其中以干粉质量比为2:1时增效作用最显著,其共毒系数(CTC)为248.30.复配物对小菜蛾幼虫具有显著的触杀活性,质量浓度为20.00 mg/mL时,72 h校正死亡率可以达到100%,致死中浓度LC50=2.0747 mg/mL.
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牛心朴子与苦豆子两种提取物复配对小菜蛾幼虫的联合毒力作用
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TN_cdi_wanfang_journals_trcwyjykf201207026
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_trcwyjykf201207026
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1001-6880
DOI
10.3969/j.issn.1001-6880.2012.07.026