Screening of the Acaricidal Activity of Essential Oils against Panonychus citri (McGregor) (Acari: Tetranychidae)

文献类型： 外文期刊

第一作者： Zhu, Yijing

作者： Zhu, Yijing;Wu, Taoqi;Xie, Yongjian;Wu, Yixuan;Deng, Jianyu;Rao, Qiong;Cao, Lidong;Zhang, Zhijun

作者机构：

关键词： essential oil; Panonychus citri; acaricidal activity; toxicity comparison; botanical acaricide

期刊名称：AGRONOMY-BASEL （ 影响因子：3.7； 五年影响因子：4.0 ）

ISSN：

年卷期： 2023 年 13 卷 2 期

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收录情况： SCI

摘要： The citrus red mite, Panonychus citri (McGregor), is an important pest of citrus in China, where pesticides are commonly used in citrus orchards. In order to reduce the use of chemical pesticides against P. citri and the development of resistance, the screening of biological control agents has attracted the attention of students. In this study, seven plant essential oils with high toxicity were selected from 40 plant essential oils by the leaf-dip bioassay, including plant essential oils of lemongrass, patchouli, juniper berry, sage, clove, frankincense, and citrus. The LC50 after 72 h treatment were 3.198 mu L/mL, 8.312 mu L/mL, 3.244 mu L/mL, 6.701 mu L/mL, 8.350 mu L/mL, 21.953 mu L/mL, and 8.788 mu L/mL, respectively. According to the LT50, the essential oils' acute toxicity to P. citri from high to low were lemongrass, juniper berry, patchouli, citrus, sage, vetiver, and frankincense essential oils. In general, lemongrass and juniper berry essential oils have the best acaricidal effect and have high application value for the biological control of P. citri, which provides a basis for the development of botanical acaricides.

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