The effect of green synthesis of silver nanoparticles using Dodonaea viscosa plant extract against mealybugs Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) as a biocontrol agent

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ID: 281537
2025
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Abstract
The control of Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) has traditionally relied on synthetic insecticides that pose significant environmental and health risks, including the development of insecticide resistance. To offer a safer and more sustainable alternative, this study investigated the use of silver nanoparticles (AgNPs) synthesized via a green approach using aqueous extracts of Dodonaea viscosa. The insecticidal efficacy of D. viscosa extract at concentrations of 25%, 50%, 75%, and 100%, along with AgNPs synthesized from the same extract, was assessed against P. solenopsis. Phytochemical profiling of D. viscosa was conducted using GC-MS, and AgNP formation was confirmed through color change, FTIR spectroscopy, AFM, SEM, and EDX analyses. The highest mortality rate from the aqueous extract alone was 18.0% after 9 days at 100% concentration, whereas treatment with 1 mM and 0.5 mM AgNPs (at 50% extract concentration) resulted in mortality rates of 51.0% and 52.22%, respectively. These findings demonstrate the enhanced insecticidal potential of AgNPs compared to crude plant extracts, supporting their use as more effective and environmentally friendly biocontrol agents. This study is among the first to compare the efficacy of D. viscosa-based AgNPs against mealybugs, highlighting their potential as novel tools for sustainable pest control. However, further field trials are required to evaluate their practical applicability.
Reference Key
alani2025the Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Enas Hamed Al-ani; Hind Ibrahim Al-khazraji; Zaineb Sabeeh Omran
Journal Transactions of the Chinese Society for Agricultural Machinery
Year 2025
DOI
10.62321/issn.1000-1298.2025.3.3
URL
Keywords
synthesis silver nanoparticles green biocontrol effect plant extract mealybugs agent dodonaea viscosa against using phenacoccus solenopsis tinsley (hemiptera: pseudococcidae)

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