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Citrus Essential Oils as Potential Insecticides Against Thrips flavus

文献类型： 外文期刊

作者： Pei, Tian-Hao 1 ; Niu, Yu-Long 1 ; Liu, Bin 2 ; Yuan, Ming 3 ; Zhang, Ai-Guo 2 ; Li, Xiao-Feng 1 ; Wang, Lian-Xia 3 ; Xu, Meng-Lei 4 ; Gao, Yu 1 ;

作者机构： 1.Jilin Agr Univ, Coll Plant Protect, Key Lab Soybean Dis & Pest Control, Minist Agr & Rural Affairs, Changchun 130118, Jilin, Peoples R China

2.Jilin Prov Prod Qual Supervis & Inspect Insitute, Changchun 130103, Jilin, Peoples R China

3.Heilongjiang Acad Agr Sci, Qiqihar Branch, Qiqihar 161006, Heilongjiang, Peoples R China

4.Jilin Univ, Coll Food Sci & Engn, Changchun 130062, Jilin, Peoples R China

5.Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130012, Jilin, Peoples R China

关键词： Essential oil; citrus; Thrips flavus; insecticidal activity; insecticidal toxicity; pest control

期刊名称：CURRENT ANALYTICAL CHEMISTRY （ 影响因子：1.8； 五年影响因子：1.7 ）

ISSN： 1573-4110

年卷期： 2024 年

页码：

收录情况： SCI

摘要： Background Essential oils (EOs) are recognized for their potent insecticidal activity and are widely considered promising agents for pest control. Methods The insecticidal activity of seven commercial citrus EOs against the global phytophagous pest Thrips flavus was evaluated using bioassays conducted under laboratory conditions. Moreover, the chemical composition of these EOs was analyzed using gas chromatography-mass spectrometry (GC-MS). Results Among the 45 identified compounds, the major constituents were d-limonene (23.77%-95.10%), methyl jasmonate (38.76%), and linalyl acetate (34.55%). Orange flower oil, sweet orange oil, tangerine peel oil, bergamot oil, lime oil, lemon oil, and grapefruit oil exhibited good insecticidal activity against T. flavus without demonstrating significant repellent activity. Orange flower oil and sweet orange oil showed higher insecticidal toxicity, with LC50 values of 0.20 g/L and 0.37 g/L, respectively. In pot experiments, the higher control efficacy against T. flavus was found after 7 days of treatment for orange flower oil (91.14 +/- 1.27% at 720.00 g a.i.hm(-2) and 100% at 900.00 g a.i.hm(-2)), sweet orange oil (91.14 +/- 5.52% at 900.00 g a.i.hm(-2)), tangerine peel oil (96.20 +/- 2.19% at 720 g a.i.hm(-2) and 100% at 900.00 g a.i.hm(-2)), lemon oil (96.20 +/- 2.19% at 900 g a.i.hm(-2)), and lime oil (97.47 +/- 2.53% at 900.00 g a.i.hm(-2)). Conclusion Taken together, orange flower oil and tangerine peel oil, which were found to contain d-limonene and methyl jasmonate, demonstrated rapid and more effective insecticidal activity compared to the other EOs tested, which makes these two EOs promising alternatives to chemical insecticides.

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