Screening of the Acaricidal Activity of Essential Oils against Panonychus citri (McGregor) (Acari: Tetranychidae)
文献类型: 外文期刊
作者: Zhu, Yijing;Wu, Taoqi;Xie, Yongjian;Wu, Yixuan;Deng, Jianyu;Cao, Lidong;Zhang, Zhijun;Rao, Qiong
作者机构:
关键词: essential oil;Panonychus citri;acaricidal activity;toxicity comparison;botanical acaricide
期刊名称: AGRONOMY-BASEL
ISSN:
年卷期: 2023 年 13 卷 2 期
页码:
收录情况: SCIE(2023版)
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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