摘要
以豆蚜为供试虫源,采用室内毒力测定和田间药效试验方法,测定了6种药剂对豆蚜的敏感性。结果表明:供试豆蚜对74.6%甲氨基阿维菌素苯甲酸盐产生极高的抗性,当测试浓度达1 000mg/L时,24h校正死亡率仅为30.36%,对95%高效氯氰菊酯的敏感性最高,半数致死浓度(LC50)为8.1609mg/L。6种药剂对豆蚜的毒杀效果依次为:95%高效氯氰菊酯>95%毒死蜱>98%啶虫脒>94%阿维菌素>96%吡虫啉>74.6%甲氨基阿维菌素苯甲酸盐。田间试验结果表明:除甲氨基阿维菌素苯甲酸盐外,其余5种药剂均对豆蚜具有非常好的防效,施药后3、7d的防效均达99%以上。除74.6%甲氨基阿维菌素苯甲酸盐外,目前使用的多数药剂对豆蚜具有较好的防治效果。
Taking Aphis craccizora Koch as tested pest,the toxicity and field control efficacy of six insecticides to bean aphid Aphis craccivora Koch （Herniptera.. Aphididae） were studied. The toxicity test results showed that the bean aphid developed high resistance to 74. 6% Emamectin benzoate with a mortality of 30. 36% after 24 hours under the concentration of 1 000 mg/L. This aphid showed the highest sensitivity to 95% Beta-cypermethrin with a LCs0 of 8. 1609 mg/L. The order of the toxicity of the six tested pesticides to the bean aphid from high to low was 95% Beta-cypermethrin,95% Chlorpyrifos, 98% Acetarniprid, 94% Abamectin, 96% Imidacloprid and 74.6% Emamectin benzoate. The field experiments showed that the tested pesticides all had good control efficacy to the bean aphid with at least 99% control efficacy in 3 and 7 days except for Ernamectin benzoate. Most of the presently used pesticides had high control efficacy to the bean aphid except for the 74. 6 % Emamectin benzoate.
出处
《北方园艺》
CAS
北大核心
2013年第15期132-134,共3页
Northern Horticulture
基金
国家重点基础研究发展计划资助项目(2009CB119004)
北京市科技计划资助项目(Z0906050060009017)
北京市科技新星计划资助项目(2010B027)
北京市优秀人才培养资助项目(2010D002020000010)
北京市农林科学院科技创新能力建设专项资助项目(KJCX201104009)
关键词
药剂
豆蚜
生物测定
田间防治效果
pesticide
Lipaphis erysimi bioassay field control efficacy
