农药学学报Issue(1)：124-129,6.DOI:10.16801/j.issn.1008-7303.2016.0017
新化合物天维菌素的杀虫杀螨活性
Insecticidal and acaricidal activity of novel compound tenvermectin
摘要
Abstract
Indoor toxicity of novel compound tenvermectin against Plutella xylostella(residual film method),Mythimna separate Walker (Leaflets disk method),Helicoverpa armigera Hübner (diet-corporated method),Bursaphelenchus xylophilus (impregnation method) and Tetranychus cinnabarinus (slide dipmethod and leaf-spraying method) were determined. And the pot efficacy of T. cinnabarinus was determined by the leaf-spraying method. The control efficacy against T. cinnatarinus on broad bean seedling was also evaluated. The results showed that the LC50 value of tenvermectin against P. xylostella, M. separate,H. armigera and B. xylophilus were 22.21, 19.66, 22.09 and 1.94 mg/L, respectively. The result showed that toxicity of tenvermectin and milbemycin differed significantly with LC50 value difference (P < 0.05). The LC50 value of tenvermectin against alduts of T. cinnatarinuswere 0.005 1 and 0.008 9 mg/L determined by leaf-dipping method and slide-dip method, respectively.Results of pot experiments showed the efficacy against T. cinnatarinus was 80.23%-91.96% at the dosage of 0.0125–0.2 mg/L after the application of tenvermectin. The control efficacy reached the highest (97.42%) 5 days after the treatment at 0.2 mg/kg. However, it started to decrease 7 days after the treatment. The results indicated that tenvermectin is a compound with great potential.关键词
天维菌素/阿维菌素/杀虫活性/杀螨活性Key words
tenvermectin/abamectin/insecticidal activity/acaricidal activity分类
农业科技引用本文复制引用
杨波,张绍勇,陈振,黄隽,王继栋,陈安良..新化合物天维菌素的杀虫杀螨活性[J].农药学学报,2016,(1):124-129,6.基金项目
国家自然科学基金资助项目(31471809) （31471809）
