Green synthesis of sulfur nanoparticles using Rosmarinus officinalis leaves extracts and anti-nematicidal activity against Meloidogyne javanica
- 1. Department of Plant Protection, College of Agriculture, the University of Jordan, Amman, Jordan
- 2. Department of Nanotechnology and Materials, Royal Scientific Society, Amman, Jordan
Description
Sulfur nanoparticles (S-NPs) were prepared using rosemary (Rosmarinus officinalis) leaves aqueous extract and sodium thiosulfate pentahydrate (Na2S2O3.5H2O) at room temperature. The S-NPs were characterized by UV–visible spectrophotometer, Fourier transform infrared (FT-IR), Scanning electron microscopy (SEM), Transmission electron microscopy (TEM), and X-ray diffraction (XRD) techniques. The sulfur nanoparticles are crystalline in nature with average size of 40 nm. The morphology of S-NPs could be controlled by tuning the amount of rosemary leaves aqueous extract and sulfur ions. The cytotoxic effects of the S-NPs on hatching of second stage root-knot and mortality of second stage of root-knot nematode (Meloidogyne javanica) were tested. These results confirmed that the S-NPs synthesized using rosemary leaves aqueous extract and could possibility be used as anti-nematocide to manage M. javanica infestation.
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