Topologically Zn²⁺ hybridized ZnS nanospheres (Zn²⁺/nZnS) efficiently restrained the infection of Fusarium verticillioides in rice seeds by hyphal disorganization and nutritional modulation

Abstract

Surface modified zinc sulfide nanoparticles (ZnS NPs) were prepared and modulated for differential zeta potentials by topological adsorption of Zn2+ and S2- ions via common ion adsorption property of colloids...

Nano-sulfides of Fe and Mn Efficiently Augmented the Growth, Antioxidant Defense System, and Metal Assimilation in Rice Seedlings

“…The digested samples were diluted with 1% nitric acid. The diluted solutions were analyzed by using inductively coupled plasma atomic emission spectroscopy (ICAP–OES) for Fe and Mn contents in treated seedlings …”

“…In addition to MnS and FeS nanoforms, CuS NPs, ZnS NPs, and zinc-coated ZnS NPs have boosted the vitality of rice seeds during post-priming germination. 5,7,8 The results pertain to 10 At the molecular biology scale, metal sulfide NPs interact better with sulfur-containing fungal proteins and other biomolecules by common ligand adsorptions through colloidal interfaces, endorsing the role of NPs on disrupting the external architecture of fungal hyphal and finally leading to fungal death to lower down the disease parameters. 7,30 The decrease in disease parameters in the present case can be hypothesized as the nanometals cause the disturbance in fungal hyphal wall composition by inhibition of vital enzymes involved in fungal cell wall synthesis.…”

“…Results are in consonance with our previous studies, where the enhancement in the uptake of nutritional metal in rice seedling was reported by priming the seeds with metal sulfide NPs. 8 Guha et al (2018) reported the augmented growth of seedlings by priming the seeds with low concentration of NPs (<80 ppm). 27 Seeds priming with Fe (micronutrient) can stimulate the activation of enzymes to enhance the nutritive value for improved productivity of crops.…”

“…The diluted solutions were analyzed by using inductively coupled plasma atomic emission spectroscopy (ICAP−OES) for Fe and Mn contents in treated seedlings. 8 Statistical Analysis. The entire data was expressed as mean ± standard deviation of three independent replicates.…”

“…Metal sulfides are of great interest to agriculturalists and environmentalists owing to their low nanotoxicological concerns . Moreover, metal sulfides are water insoluble, and the dispersion of insoluble bioactive materials in water is also required to reduce the toxicity and percolation of materials into the groundwater . Iron is an important trace element inflicting a vital role in bioinorganic chemistry as heme and Fe–S proteins playing crucial roles in nitrogen fixation, photosynthesis, and sulfur assimilation .…”