| 郭卓琼, 弓奇田, 张建珍, 马恩波, 韩鹏飞*.金龟子绿僵菌破坏素A与5种杀虫剂混配对苹果黄蚜的联合毒力[J].植物保护,2019,45(5):275-279. |
| 金龟子绿僵菌破坏素A与5种杀虫剂混配对苹果黄蚜的联合毒力 |
| Co-toxicity of mixture of Metarhizium anisopliae destruxin A and5 kinds of insecticides on Aphis citricola |
| 投稿时间：2018-10-02 修订日期：2018-12-06 |
| DOI：DOI: 10.16688/j.zwbh.2018429 |
| 中文关键词: 苹果黄蚜 破坏素A 农药混配 毒力测定 |
| 英文关键词:Aphis citricola destruxin A pesticides mixture toxicity test |
| 基金项目:国家自然科学基金(31501631); 山西省高校科技创新项目(2015106) |
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| 中文摘要: |
| 为了更科学合理地选择防治苹果黄蚜的药剂, 采用浸渍法测定了虫生真菌毒素-破坏素A和杀虫剂1.8%阿维菌素EC、4.5%高效氯氰菊酯EC、10%吡虫啉WP、40%啶虫脒WG、10%烯啶虫胺AS等对苹果黄蚜的毒力, 结果显示, 上述药剂对苹果黄蚜的致死中浓度(LC50)分别为0.016、0.221、0.221、2.242、9.793和8.247 mg/L, 表明破坏素A对苹果黄蚜具有较高的毒力, 1.8%阿维菌素EC和4.5%高效氯氰菊酯EC次之。进一步筛选破坏素A与杀虫剂的最佳混配比例, 结果表明, 当破坏素A和1.8%阿维菌素EC以4∶6、5∶5、6∶4、7∶3、8∶2、9∶1的比例混配时均具有显著的增效作用, 混配比为9∶1时共毒系数为176.36, 毒力效果最佳。生物杀虫剂破坏素A与阿维菌素的混配施用在苹果黄蚜的防治中具有较好的应用前景。 |
| 英文摘要: |
| In order to reasonably choose insecticides against Aphis citricola, toxicity of Metarhizium anisopliae destruxin A, abamectin 1.8% EC, beta-cypermethrin 4.5% EC, imidacloprid 10% WP, acetamiprid 40% WG and 10% nitenpyram AS was determined by insect dipping method. The results showed that the median lethal concentrations (LC50) were 0.016, 0.221, 0.221, 2.242, and 9.793 mg/L and 8.247 mg/L, respectively. M.anisopliae destruxin A had the highest insecticidal activity, followed by abamectin 1.8% EC and beta-cypermethrin 4.5% EC. Furthermore, the optimal proportion of destruxin A and insecticides was determined. Destruxin A and abamectin 1.8% EC at the proportion from 4∶6 to 9∶1 had a significant synergistic effect. When the proportion was 9∶1, the co-toxicity was the highest with the co-toxicity coefficient of 176.36. The mixture of the two biological insecticides has good application prospect for controlling A.citricola in the field. |
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