Acaricidal Activity and Synergistic Effect of Thyme Oil Constituents against Carmine Spider Mite (Tetranychus Cinnabarinus (Boisduval))
文献类型: 外文期刊
第一作者: Wu, Lipeng
作者: Wu, Lipeng;Zhou, Xiaolong;Zhao, Duoyong;He, Weizhong;Liu, Shenghong;Liu, Hejiang;Feng, Ting;Wang, Cheng;Wu, Lipeng;Zhao, Duoyong;He, Weizhong;Wang, Cheng;Wu, Lipeng;Zhou, Xiaolong;Zhao, Duoyong;He, Weizhong;Liu, Shenghong;Liu, Hejiang;Feng, Ting;Wang, Cheng;Huo, Xin
作者机构:
关键词: plant essential oil;thyme oil;thymol;synergistic effect;botanical acaricides
期刊名称:MOLECULES ( 影响因子:4.411; 五年影响因子:4.587 )
ISSN: 1420-3049
年卷期: 2017 年 22 卷 11 期
页码:
收录情况: SCI
摘要: Studies examining the use of essential oils as replacements for synthetic insecticides require an understanding of the contribution of each constituent present, interactions among these components, and how they relate to overall toxicity. In the present study, the chemical composition of commercial thyme oil was identified by gas chromatography-mass spectrometry. Thyme oil and blends of its major constituents were tested for their acaricidal activitities against carmine spider mites (Tetranychus cinnabarinus (Boisduval)) using a slide-dip bioassay. Natural thyme oil showed greater toxicity than any single constituent or blend of constituents. Thymol was the most abundant component (34.4%), and also possessed the strongest acaricidal activity compared with other single constituents. When tested individually, four constituents (linalool, terpinene, p-cymene and carvacrol) also had activity, while -pinene, benzoic acid and ethyl gallate had almost no activity. The toxicity of blends of selected constituents indicated a synergistic effect among the putatively active and inactive constituents, with the presence of all constituents necessary to reach the highest toxicity. The results indicated that thyme oil and some of its major constituents have the potential to be developed into botanical acaricides.
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