Abstract
<p>The present paper is focused on green synthesis of high purity sulfur nanoparticles (SNPs) and its effect on seed germination and seedling growth of cucumber (<em>Cucumis sativus</em>). Synthesized SNPs were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy equipped with energy-dispersive X-ray spectroscopy (SEM-EDS). The crystalline size of synthesized SNPs as calculated by Scherer equation was 40 nm. SEM analysis of the SNPs is in spherical shape and with a diameter size between 5-80 nm. In the present study, different concentrations of SNPs were used for the treatment of cucumber seeds to study the effect on bioavailability of seed germination and seedling growth of cucumber. The results of this experiment showed that an increase in concentrations of SNPs had significantly increased seed germination and seedling growth of cucumber.</p>
Highlights
Nanoparticles have distinctly different size diameter, surface area, chemical and biological activities compared to both individual molecules and bulk materials with the same chemical composition
Developing facile and green methods for synthesizing sulfur nanoparticles are of importance and still a challenge for materials researchers
As continuation of our previous work, the main objective of this study is to investigate the effect of green synthesized sulfur nanoparticles by rosemary (Rosmarinus officinalis) leaves aqueous extract on seed germination and seedling growth of cucumber
Summary
Nanoparticles have distinctly different size diameter, surface area, chemical and biological activities compared to both individual molecules and bulk materials with the same chemical composition. Sulfur is an essential element for plants. It works as nitrogen-fixing nodules on legumes, in the formation of chlorophyll, proteins, amino acids, vitamins, and enzymes, the plant’s resistance to diseases. Soils get sulfur from airborne particles, the weathering of minerals in soil, and decomposition of organic materials by microbial activity. Developing facile and green methods for synthesizing sulfur nanoparticles are of importance and still a challenge for materials researchers
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