古毒蛾防治试验研究

目的]筛选较为理想的防治荒漠、半荒漠化草地类型唐古特白刺上的古毒蛾的药剂。方法]以2．0％阿维菌素、类产碱和草毒蛾为供试药品，每个药品分别设300和375ml／hm^2两个处理，研究不同药刺对古毒蛾的防治效果。结果]2．0％阿维菌素、类产碱和草毒蛾防治荒漠、半荒漠化草原唐古特白刺上发生的古毒蛾，在300、375ml／拼的剂量下平均防治效果分别为95．23％、95．94％和90．43％，98．00％、99．04％和90．81％，且类产碱、草毒蛾剂量以300ml／hm^2为宜，2．0％阿维菌素剂量以375ml／hm^2为宜。结论]这3种药剂均可以作为防治荒漠、半荒漠化草地类型唐古特白刺上的古毒蛾较为理想的药剂。

Experimental Study on Controlling Orgyia antiqua

Objective] The aim was to screen the more ideal medicament for controlling Orgyia antique from Nitraria tangutorum in hungriness and semi-hungriness grassland.Method] With 2.0% Gynaephora qinghaienisis,suspensions of Pseudomonas pseudoalcaligens and Bacillus thuringiensis,and suspensions of Gynaephora ruoergensis nuclear polyhedeosis virus and Bacillus thuringiensis as tested medicaments,each medicament was set up 2 treatments of 300 ml/hm2 and 375 ml/hm2,respectively,and the control effects of different ...