Exploring the Efficacy of Four Essential Oils as Potential Insecticides against Thrips flavus
文献类型: 外文期刊
第一作者: Niu, Yulong
作者: Niu, Yulong;Pei, Tianhao;Zhao, Yijin;Shi, Shusen;Gao, Yu;Zhao, Yijin;Zhou, Changjun;Liu, Bing;Xu, Meng-Lei
作者机构:
关键词: Thrips flavus; Lamiaceae; essential oil; plant-derived insecticides; insecticidal toxicity
期刊名称:AGRONOMY-BASEL ( 影响因子:3.3; 五年影响因子:3.7 )
ISSN:
年卷期: 2024 年 14 卷 6 期
页码:
收录情况: SCI
摘要:
Plant essential oils are important alternatives in green integrated pest management. This study examined the chemical composition, bioactivity, and control efficacy of four Lamiaceae essential oils (EOs) against Thrips flavus Schrank in laboratory conditions with the goal of exploiting plant-derived insecticides to control Thrips flavus. The four EOs tested were marjoram oil (Origanum majorana L.), clary sage oil (Salvia sclarea L.), perilla leaf oil (Perilla frutescens (L.) Britt.), and spearmint oil (Mentha spicata L.). All these EOs exhibited a certain degree of insecticidal activity against Thrips flavus. The median lethal concentration (LC50) was determined after treatment by the leaf-dipping method in laboratory bioassays, and its values were 0.41 mg/mL for marjoram oil, 0.42 mg/mL for clary sage oil, 0.43 mg/mL for perilla leaf oil, and 0.54 mg/mL for spearmint oil. In the pot experiment, the number of dead insects was recorded at 1, 3, and 7 days post-application, and the control efficacy of EOs against Thrips flavus was calculated. The concentration of 900.00 g a.i.
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