噻虫嗪防治油菜籽苗期黄条跳甲的药效试验-论文.pdf

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1、河北农业科学，2014，18(1)：60—62，77JournalofHebeiAgriculturalSciences编辑杜晓东噻虫嗪防治油菜籽苗期黄条跳甲的药效试验张玉慧，康爱国，崔彦，王平，张凤英(1．康保县植保植检站，河北康保076650；2．河北省植保植检站，河北石家庄050011)摘要：以十字花科油菜籽为试材，应用常规种子拌种包衣的方式，以1种子用600g／L吡虫啉悬浮种衣剂有效成分4．2g为药剂对照，进行了1kg种子用70％噻虫嗪种子处理可分散粉剂有效成分280g和350g以及40％噻虫嗪悬浮种衣剂有效成分280g和350g对油菜籽苗期黄条跳甲防治效果的田间试验

2、。结果表明：使用70％噻虫嗪种子处理可分散粉剂和40％噻虫嗪悬浮种衣剂有效成分280g和350g进行油菜籽种子包衣，均能有效防治油菜籽苗期黄条跳甲的为害。其中，70％噻虫嗪种子处理可分散粉剂有效成分用量为350g时防效最高，40％噻虫嗪悬浮种衣剂有效成分用量为350g时防效次之，且这2个药剂处理的持效期均长，防治效果均好。该技术可以在防治油菜籽及其他十字花科蔬菜苗期黄条跳甲上大面积推广使用。关键词：油菜籽；黄条跳甲；70％噻虫嗪种子处理可分散粉剂；40％噻虫嗪悬浮种衣剂；种子包衣；药效试验中图分类号：$435．654文献标识码：A文章编号：1008—1631(2014)01-

3、0060-03EficacyTestofThiamethoxamagainstPllotretavittataofRapeseedatSeedlingStageZHANGYu．hui，KANGAi．guo，CUIYan，WANGPing，ZHANGFeng．ying(1．PlantProtectionandQuarantineStationofKangbaoCounty，Kangbao076650，China；2．PlantProtectionandQuarantineStationofHebeiProvince，Shijiazhuang050011，China)Abstra

4、ct：Takingcruciferaerapeseedsastestmaterial，thecontrolpesticidewasapplicationof600g／Limidaelopridsuspensionconcentrate(effectivecomponentsis4．2g)per1kgseeds，andthepreventioneffectsofapplicationof70％thiamethoxamseedtreatmentdispersiblepowder(effectivecomponentsare280gand350g)and40％thiamethoxa

5、mseedcoatingagent(effectivecomponentsare280gand350g)per1kgseedsonstripedflea—beetleatseedlingstageofrapeseedwerestudiedusingtheconventionalseedcoatingmethod．Theresultsshowedthat280gand350gofeffectivecomponentsof70％thiamethoxamseedtreatmentdispersiblepowderand40％thiamethoxamseedcoatingagenta

6、llcouldeffectivelypreventstripedflea-beetleatseedlingstageofrapeseed．Thecontroleffectof350gofeffectivecomponentsof70％thiamethoxamseedtreatmentdispersiblepowderwashighest，andthe350gofeffectivecomponentsof40％thiamethoxamseedcoatingagentfollowed，andtheyalsohadthelongeffectiveperiod．Thetechnolo

7、gycouldbepopularizedandusedin-largeareasonpreventionstripedflea·beetleatseedlingstageofrapeseedandothercruciferousvegetable．Keywords：Rapeseed；Stripedflea-beetle；70％thiamethoxamseedtreatmentdispersiblepowder；40％thiamethoxamseedcoatingagent；Seedcoating；Efi