Application of Plant Extracts in Pest Control

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Phytochemistry".

Deadline for manuscript submissions: closed (30 March 2024) | Viewed by 1095

Special Issue Editors


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Guest Editor
College of Advanced Agricultural Sciences, Zhejiang A & F University, Hangzhou 311300, China
Interests: plant extracts; integrated pest management

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Guest Editor
Shaanxi Key Laboratory of Economic Plant Resources Development and Utilization, College of Forestry, Northwest A&F University, Yangling 712100, China
Interests: bioactive natural products; pesticide; plant production

Special Issue Information

Dear Colleagues,

Plant extracts and essential oils (EOs) have gained recognition as environmentally friendly and effective solutions for pest management. These plant extracts and EOs offer advantages such as low toxicity, minimal residue, affordability, easily degradable, and high safety for human health. Most phytochemicals from herbs and woody plants are alkaloids, flavonoids, lignans, phenylpropanoids, quinoids, tannins, terpenoids, steroids, saponins, glycosides, or volatile oils responsible for their biological activities. The extraction of phytochemicals with insecticidal activity from plants is one of the important developments of natural product research.

This Special Issue aims to explore more plant essential oils and extracts with insecticidal activity to isolate and identify chemical substances with specific insecticidal activity, the development of effective pesticide formulations and non-target effect studies, as well as the latest progress in field applications. The mechanism of action of plant extracts will also be considered.

Dr. Yongjian Xie
Dr. Xiangrong Tian
Guest Editors

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Keywords

  • plant extracts
  • phytochemistry
  • insecticidal activity
  • formulation development
  • mechanism of action
  • integrated pest management

Published Papers (1 paper)

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Research

14 pages, 3546 KiB  
Article
Mentha spp. Essential Oils: A Potential Toxic Fumigant with Inhibition of Acetylcholinesterase Activity on Reticulitermes dabieshanensis
by Ziwei Wu, Chunzhe Jin, Yiyang Chen, Shimeng Yang, Xi Yang, Dayu Zhang and Yongjian Xie
Plants 2023, 12(23), 4034; https://doi.org/10.3390/plants12234034 - 30 Nov 2023
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Abstract
In this study, we analyzed the components of Mentha spp. essential oils (EOs) and evaluated their major constituents and binary combinations against Reticulitermes dabieshanensis. We also determined the activities of esterases (ESTs), glutathione S-transferases (GSTs), and acetylcholinesterase activity (AChE) in treated insects. [...] Read more.
In this study, we analyzed the components of Mentha spp. essential oils (EOs) and evaluated their major constituents and binary combinations against Reticulitermes dabieshanensis. We also determined the activities of esterases (ESTs), glutathione S-transferases (GSTs), and acetylcholinesterase activity (AChE) in treated insects. According to our findings, the most effective oils were those obtained from M. citrata (with the major constituent linalool constituting 45.1%), M. piperita (menthol, 49.1%), and M. spicata (carvone, 69.0%), with LC50 values of 0.176, 0.366, and 0.146 μL/L, respectively. The LC50 values were recorded for linalool (0.303 μL/L), followed by menthol (0.272 μL/L), and carvone (0.147 μL/L). The insecticidal potency increased with binary mixtures of major active constituents, with carvone strongly synergizing the toxicity of linalool and menthol against R. dabieshanensis. Compared to the control, except for M. citrata treated with no difference in α-NA or GST activity, the activities of ESTs and GST in other treatment groups were significantly increased. Additionally, our results found that Mentha spp. EOs and their major constituents inhibited the activity of AChE in vivo and in vitro. Finally, we performed a structure-based virtual screening of linalool, menthol, and carvone to identify that linalool had the greatest potential to bind to the active site of AChE. The present study suggests that Mentha spp. EOs could provide an additional approach for the management of termites over synthetic insecticides. Full article
(This article belongs to the Special Issue Application of Plant Extracts in Pest Control)
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