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农学学报

农学学报 ›› 2014, Vol. 4 ›› Issue (8): 22-24.

所属专题： 植物保护

• 植物保护 • 上一篇    下一篇

湖南省安仁白背飞虱种群对5种农药敏感度测定

罗香文 刘建宇 张胜平 张德咏 刘勇 蔡立湘 张松柏   

  • 收稿日期:2013-05-07 修回日期:2013-12-12 出版日期:2014-08-20 发布日期:2014-08-20
  • 基金资助:
    公益性行业（农业）科研专项

Determination of Sensitivity of White-backed Planthopper of Anren county, Hunan to Five Pesticides

  • Received:2013-05-07 Revised:2013-12-12 Online:2014-08-20 Published:2014-08-20

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摘要： 为明确湖南省安仁地区白背飞虱种群对不同防治农药的敏感度，指导该地区白背飞虱田间药剂防治，测定了湖南省安仁县白背飞虱种群3龄若虫对5种农药的敏感度。测定结果表明，湖南省安仁县白背飞虱种群对噻虫嗪、噻嗪酮、吡虫啉、烯啶虫胺、异丙威的敏感度(LC50)，分别为0.0299、0.1214、0.1322、0.3296、26.7068 mg/L。5种药剂中，异丙威的敏感度最低，生产上应控制施用。

关键词: 冬枣, 冬枣, 蜜蜂授粉 绿色防控, 集成 效果

Abstract: The aim is to provide a scientific evidence for controlling white-backed planthopper in field. The sensitivity of the third instar nymph of white-backed planthopper population in Anren, Hunan to five pesticides was determined by rice stem impregnation method. The results showed the sensitivity (LC50) of the tested population to Thiamethoxam, Buprofezin, Imidacloprid, Nitenpyram and Isoprocarb was 0.0299, 0.1214, 0.1322, 0.3296 and 26.7068 mg/L, respectively. Based on the determination of sensitivity, the five pesticides tested could be alternately used to control white-backed planthopper in field, in order to avoid or delay the reduction of sensitivity to pestcides.