Larvicidal activity of six Moroccan Artemisia essential oils and a correlation study of their major components against Culex pipiens

IF 1.7 3区农林科学 Q2 ENTOMOLOGY

Journal of Applied Entomology Pub Date : 2024-06-24 DOI:10.1111/jen.13313

Abdellatif Alami, Abdelhakim El Ouali Lalami, Saoussan Annemer, Fouad El-Akhal, Amine Ez-zoubi, Meriem El Hallabi, Yassine Ez zoubi, Abdellah Farah

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引用次数: 0

Abstract

The present study was carried out for the first time in Morocco to valorise plant species of the Artemisia genus. Its aim was to evaluate the larvicidal activity of essential oils from six Artemisia plants (A. herba alba, A. absinthium, A. campestris L., A. negrei, A. pontica, and A. arborescens) against Culex pipiens mosquitoes, which are recognised as potential vectors of West Nile virus. Bioinsecticides derived from EOs have shown promise as effective mosquito control agents. The EOs were analysed using GC–MS and GC-FID and were obtained by hydrodistillation from the aerial parts of the plants. Besides, the experiment was carried out according to the standard WHO protocol. Thujone and camphor were identified as the predominant compounds in all six Artemisia plants. A. herba alba demonstrated the highest larvicidal activity with LC₅₀ and LC₉₀ values of 4.85 and 15.39 μg/mL, respectively. Principal Component Analysis (PCA) and Hierarchical Cluster Analysis (HCA) were employed to explore the correlation between major EO compounds and larvicidal efficacy. The results suggest that these findings could pave the way for the development of tailored biocides that specifically target important disease vectors.

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六种摩洛哥青蒿精油的杀幼虫活性及其主要成分对库蚊的相关性研究

本研究首次在摩洛哥开展，目的是评估蒿属植物物种的价值。其目的是评估六种蒿属植物（A. herba alba、A. absinthium、A. campestris L.、A. negrei、A. pontica 和 A.arborescens）的精油对库蚊的杀幼虫剂活性，库蚊被认为是西尼罗河病毒的潜在传播者。从环氧乙烷中提取的生物杀虫剂有望成为有效的蚊虫控制剂。使用 GC-MS 和 GC-FID 对从植物气生部分通过水蒸馏获得的环氧乙烷进行了分析。此外，实验是按照世界卫生组织的标准方案进行的。经鉴定，所有六种蒿属植物中的主要化合物都是噻酮和樟脑。白蒿的杀幼虫剂活性最高，半数致死浓度（LC50）和半数致死浓度（LC90）分别为 4.85 微克/毫升和 15.39 微克/毫升。研究人员采用主成分分析（PCA）和层次聚类分析（HCA）来探讨主要环氧乙烷化合物与杀幼虫剂功效之间的相关性。研究结果表明，这些发现可为开发专门针对重要病媒的定制杀菌剂铺平道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Applied Entomology 生物-昆虫学

CiteScore

3.40

自引率

5.30%

发文量

132

审稿时长

6 months

期刊介绍： The Journal of Applied Entomology publishes original articles on current research in applied entomology, including mites and spiders in terrestrial ecosystems. Submit your next manuscript for rapid publication: the average time is currently 6 months from submission to publication. With Journal of Applied Entomology''s dynamic article-by-article publication process, Early View, fully peer-reviewed and type-set articles are published online as soon as they complete, without waiting for full issue compilation.