摘要
[目的]筛选出百合根部害虫根螨、根蛆、根腐线虫的有效防治药剂.[方法]通过药效筛选试验研究20种药剂对百合根部害虫根螨、根蛆、根腐线虫的防治效果.[结果]40％道康·三唑磷乳油1500倍稀释液+3％猎线·阿维菌素水乳剂1500倍稀释液+50％甲基嘧啶磷800倍稀释液、2.5％黑卡·联苯菊酯乳油1500倍稀释液+40％道康·三唑磷乳油1500倍稀释液+3％猎线·阿维菌素水乳刘1500倍稀释液、40％道康·三唑磷乳油1500倍稀释液+50％甲基嘧啶磷800倍稀释液+50％敌百·辛硫磷1500倍稀释液3个复配剂组合对百合根部害虫根螨、根蛆、根腐线虫的平均防效较好,分别为98.7％、98.3％和97.8％.[结论]40％道康·三唑磷乳油1500倍稀释液+3％猎线·阿维菌素水乳剂1500倍稀释液+50％甲基嘧啶磷800倍稀释液、2.5％黑卡·联苯菊酯乳油1500倍稀释液+40％道康·三唑磷乳油1500倍稀释液+3％猎线·阿维菌素水乳剂1500倍稀释液、40％道康·三唑磷乳油1500倍稀释液+50％甲基嘧啶磷800倍稀释液+50％敌百·辛硫磷1500倍稀释液3个复配剂组合均可作为百合种球采收包装前的消毒药剂.
Abstract
[Objective] The aim was to screen out effective fungicides for mite,maggot,rot nematode in roots of lily.[Method] Through pharmacodynamic screening test,the control effects of 20 fungicides on mite,maggot,rot nematode in roots of lily were studied.[Result] The average control effects of 3 compound fungicides(1500 times diluent of 40％ daokang · triazophos EC + 1 500 times diluent of 3％ liexian ·averrnectin EW + 800 times diluent of 50％ methyl pyrimithate,1500 times diluent of 2.5％ heika · bifenthrin EC + 1500 times diluent of 40％ daokang · triazole phosphorus EC + 1500 times diluent of 3％ liexian · avermectin EW,1500 times diluent of 40％ daokang · triazole phosphorus EC + 800 times diluent of 50％ methyl pyrimithate + 1500 times diluent of 50％ dibai · phoxime) on mite,maggot,rot nematode in roots of lily were 98.7％,98.3％,97.8％ respectively.[Conclusion] Three compound fungicides(1500 times diluent of 40％ daokang ·triazophos EC + 1500 times diluent of 3％ liexian · avermectin EW + 800 times diluent of 50％ methyl pyrimithate,1500 times diluent of 2.5％ heika · bifenthrin EC + 1500 times diluent of 40％ daokang · triazole phosphorus EC + 1500 times diluent of 3％ liexian avermectin EW,1500 times diluent of 40％ daokang triazole phosphorus EC + 800 times diluent of 50％ methyl pyrimithate + 1500 times diluent of 50％ dibai · phoxime) all can be used as disinfectant for Lily bulb before packaging.
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