摘要
目的通过田间药效试验评价10%联苯菊酯微囊悬浮剂土壤和木材处理对白蚁的防治效果。方法农药登记用白蚁防治剂药效试验方法及评价(NY_T 1153. 4-2013)第3部分:农药土壤处理预防白蚁、第4部分:农药木材处理预防白蚁。结果土壤处理中,24个月内对照组试验箱土壤中已有蚁路或蚁被出现,经10%联苯菊酯微囊悬浮剂625 mg/L及以上试验浓度处理过的土壤,在24个月内未发现蚁路、蚁被或木块遭受白蚁蛀食的情况;木材处理中,对照组与处理组试验箱中均发现有泥路或泥被,对照组木块在24个月以内均遭白蚁蛀食,而经156 mg/L及以上浓度处理的木材,在24个月内未遭受白蚁蛀食。结论 10%联苯菊酯微囊悬浮剂处理土壤和木材预防黑胸散白蚁和黑翅土白蚁的有效浓度分别为625和156 mg/L及以上浓度。
Objective To learn the field efficacy of soil and wood treated with 10% bifenthrin microcapsule suspending agent against termites. Methods Efficacy test method and evaluation of insecticides for termite control for pesticide registration( NY_T 1153. 4-2013) part 3 : method of efficacy test of termiticides for soil treatment,and part 4 : method of efficacy test of termiticides for wood treatment. Results The field efficacy of soil treatment results indicated that there were signs of activity of termites in the contrast group,but no activity in treatment group in 24 months. The field efficacy of wood treatment results indicated that there were signs of activity both in the contrast group and the treatment group,and the wood of contrast group had been fed by termites within 24 months. but the wood treated by the agent with 156 mg/L and above were not fed. Conclusion The soil and wood treated with 10%bifenthrin microcapsule suspending agent against Reticulitermes chinensis and Odontotermes formosanus was effective with 625,156 mg/L and above respectively.
引文
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