吡虫啉和丁硫克百威拌种对稻水象甲的防控效果  

Control Effects of Seed Dressing with Imidacloprid and Carbosulfan on Rice Water Weevil

作　　者：陈小均 廖国会 何海永 吴石平 何永福 杨学辉 谭清群 王莉爽 袁洁 

机构地区：[1]贵州省植物保护研究所,贵州贵阳550006

出　　处：《贵州农业科学》2014年第9期112-115,共4页Guizhou Agricultural Sciences

基　　金：贵州省农业科学院专项"稻水象甲调查及防控技术研究"[黔农科院院专项(2010)032];贵州省科技计划课题"贵州稻水象甲防控技术研究与集成示范"[黔科合NY字(2010)3079];贵州省植保植检站稻水象甲防控专项

摘　　要：为探明吡虫啉和丁硫克百威防治水稻稻水象甲的适用性，采用稻种拌种处理，研究2种药剂对水稻稻水象甲的防控效果。结果表明：室内毒力测定，吡虫啉和丁硫克百威各处理苗饲养成虫24 h后均表现中毒现象，其中，2种药剂处理剂量为30 g/kg，处理120 h时虫口减退率分别为70．0％和58．33％。大田育苗移栽，2种药剂各处理对幼虫的防控作用好于成虫，其中，2种药剂处理剂量为30 g/kg时对幼虫和成虫的防效分别为98．69％和66．38％、94．08％和42．13％。2种药剂均可防治稻水象甲，吡虫啉的平均防效优于丁硫克百威，吡虫啉和丁硫克百威的推荐拌种剂量分别为25-30 g/kg和30-50 g/kg。In order to explore the adaptability of imidacloprid and carbosulfan on controlling rice water weevil,the control effects were studied through seed dressing.Results：Intoxicating phenomenon occurred in all treatments after raising for 24 hours.The population reduce rate was respectively 70.0% and 58.33% after treated with imidacloprid and carbosulfan（30 g/kg）for 120 hours.The control effects of imidacloprid and carbosulfan on larvae were better than on adults,the control effects of imidacloprid and carbosulfan on larvae and adults were respectively 98.69% and 66.38%,94.08% and 42.13%.The two pesticides could all control rice water weevil,the average control effect of imidacloprid was better than carbosulfan,the recommended seed dressing doses was respectively 25-30 g/kg and 30-50 g/kg.

关 键 词：吡虫啉 丁硫克百威 稻水象甲 防控效果 

分 类 号：S435.112.6[农业科学—农业昆虫与害虫防治]