The interaction between various plant growth hormones and the nanomaterial (graphene oxide) may help control the growth of Brassica napus roots (Xie et al. 2020). …
Plants have shown to have both positive and negative effects on exposure to nanoparticles, which varies greatly depending on plant species along with composition of NPs, concentration, size, and exposure time [11]. However, the faith of plants interacting with different NPs are not solely based on the above factors.
Timing. Step 1, plant exposure to nanoparticles: ~6–12 d, based on the plant type, nanoparticle characteristics and growth conditions. Steps 2–14, whole-root …
SiNPs, among the several metal and non-metal NPs, have reportedly increased plant tolerance to biotic and abiotic stress, reducing the negative effects (Khan et al., 2021). Aside from that, it improves plant resistance to a variety of heavy metal elements ( Jia-Wen et al., 2013 ).
With the development of nanotechnology and application of nanomaterials, NPs may be exposed to plants for a long time, posing a negative impact on plant …
NPs have positive effects on plant germination and growth, however, their efficacy varies with their concentration and host plant. In sorghum plants under drought …
Home > News > Nanoparticles could have a negative effect on plant growth. March 27th, 2007 . Nanoparticles could have a negative effect on plant growth. Abstract: Nanomaterials, with at least one dimension of 100 nanometers or less, are increasingly being used for commercial purposes such as fillers, opacifiers, catalysts, …
Ag nanoparticles (AgNPs) are considered an emerging contaminant in recent years, and their harmful effects on plants pose new concerns, especially in coexistence with soil microorganisms. Arbuscular mycorrhizal fungi (AMF), as mutualistic fungi with most terrestrial plants, may contribute to alleviating nanotoxicity in plants. …
Based on the findings, the researchers found that NPs have both positive and negative effects on the development of plants [].Effects of the application of iron on different crops such as encouraging yield and seedling development of peanuts and improving the germination rate of wheat [], increasing the root length and germination in Lettuce [], …
The NPs derived from biochar could have a profound effect on the important plant processes responsible for the enhancement in plant growth and productivity. The evaluation of different types of biochar NP-induced alterations on seed germination and seedling development in different plants was reported by Zhang et al., 2020a, Zhang et …
Climate change significantly affects plant growth and productivity by causing different biotic and abiotic stresses to plants. Among the different abiotic stresses, at the top of the list are salinity, drought, temperature extremes, heavy metals and nutrient imbalances, which contribute to large yield losses of crops in various parts of the world, …
However, many nanoparticles (Ag, Fe, Cu, Si, Al, Zn, ZnO, TiO 2, CeO 2, Al 2 O 3, and carbon nanotubes) have been reported to negatively affect plant growth. This review focuses on the effects of nanoparticles on beneficial plant bacteria and their ability to promote plant growth. Implementing novel sustainable strategies in agriculture ...
Hydroxyapatite nanoparticles (nHAPs) had both positive and negative effects on plants. • nHAPs positive effects could be due to its longer maintenance in the soil. • nHAPs negative effects could be due to its structure and increased [Ca 2+] in cells. • Further research is needed to confirm the potentials of nHAPs for plant nutrition.
Salinity stress is one of the abiotic stressors that threatening medicinal plant yield with adverse effects on the biochemical and morphological parameters. One strategy to manage salt stress is to use plant nutritional modifiers to lessen its harmful effects. In this study, the positive role of coated Fe-nanoparticles with chitosan (coated Fe-NPs) …
The presence of Al 2 O 3 nanoparticles did not have a negative effect on the growth of Lolium perenne and Phaseolus vulgaris in the ... seeds in the presence of Cu nanomaterials showed an increment in the shoot-to-root ratio compared to the control plant. The effect of Cu nanoparticles' toxicity to the plant and food crops is evident, with the ...
Effect of NPs on plant physiological indices. The main plant physiological indices of the toxic effects of NPs are the germination percentage, root elongation, biomass and leaf number (Lee et al. Citation 2010).NPs can have substantial negative effects, such as reduction in seed germination and suppression of plant elongation, and can even …
Climate change significantly affects plant growth and productivity by causing different biotic and abiotic stresses to plants. Among the different abiotic stresses, at the top of the list are salinity, …
The extent to which NPs in soil promote or restrict plant growth appears to be related to plant type, NP type, and concentrations (Yoon et al. 2019). The exposure period to NPs is also an influencing factor for plant growth. Plant growth is aided by NPs, although some NPs show toxic effects as well.
The research performed on different plants has shown that the nanoparticles may have both a positive and a negative impact on plants, depending on size, concentration, chemical composition, zeta potential, stability, and the shape of nanoparticles (Mirzajani et al., 2013; Rafique et al., 2014; Nhan et al., 2015; Tripathi et …
Request PDF | Effects of nanoparticles/nanotubes on plant growth | Due to the rapidly increasing human population and ongoing climate change, modern smart agriculture management is essential for ...
Some studies have reported both positive and negative effects of nanoparticles on plant growth and development, depending on the nature of the nanomaterials, application, time of exposure, plant species, and soil characteristics. ... The effects of ZnO nanoparticles on plant growth could be related to the activity of zinc …
Background Titanium dioxide nanoparticles (TiO2 NPs) have been reported to have contrasting effects on plant physiology, while their effects on sugar, protein, and amino acid metabolism are poorly understood. In this work, we evaluated the effects of TiO2 NPs on physiological and agronomical traits of tomato (Solanum …
In the case of tomatoes (Solanum lycopersicon L.) grown in various media, CuO NPs exerted a concentration-dependent effect on plant growth, promoting growth at low concentrations, but either have no effect or a negative effect on plant biomass at higher concentrations, regardless of the growing conditions (soil, agar, or hydroponics), …
The surface charge of Pd NPs was detected with the help of zeta potential and it was found to have a negative charge (−24.3 mV). Pd NPs had a good antioxidant effect against DPPH and showed a good inhibitory effect on gram-negative bacterial pathogens and gram-positive bacteria. Pd NPs had 87% anti-inflammatory activity in …
In recent years, the ubiquity of nanoparticles in ecosystems and their effect on plants have drawn increasing attention, a critical aspect of which is elucidating the fate of nanoparticles within ...
Silver NPs are used for its bactericide properties in health industry, food storage, and functional textiles (Deshmukh et al., 2019; El-Nour et al., 2010).Although silver is not a biogenic compound, the positive effects of silver NPs (as well as of ionic form) on plants were reported after foliar application as well as after their addition into the soil or …
The effect of the nanoparticles on plants mostly varies due to growth conditions, growth stages, exposure time, and applied dosage (Rizwan et al. 2019). Nanoparticles help in seed germination of plants by activating the aquaporin controlling genes, thereby improving the water uptake along with the penetration of nanoparticles.
Effects of NPs on plant development. Researches have suggested that the exposure concentration of various NPs below certain limits may stimulate the growth of plants and seed germination [].Spraying 10 mg L −1 ZnO NPs on leaves could promote the growth and biomass accumulation of coffee plants. Researchers concluded that this …
Nanoparticles (NPs) can improve plant growth and nutrition under normal conditions through their high surface-to-volume ratio and unique physical and chemical properties. Moreover, they can be used to monitor crop health status and augment plant resilience against abiotic stresses (such as salinity, drought, heavy metals, and extreme ...
AgNPs have demonstrated promise in crop protection, although worries have been raised about possible detrimental effects on plant physiology and growth during absorption (Spoială et al. 2020). Recent studies highlight the need for more investigation to comprehend the dangers connected to crops' absorption of AgNP, …
In this chapter, we introduce a step-by-step protocol for investigating the effects of nanoparticles on plant growth and development as well as biomass production. …
AgNPs have been found to have several beneficial effects on plant growth, certain plants have shown toxicity in response to their application, indicating potential negative effects. The application of AgNPs at different concentrations such as 1000 μg/mL, 1600 μg/mL and 1200 μg/mL on Brassica campestris, Oryza sativa and Vigna radiata r ...
Nanotechnologies have received tremendous attention since their discovery. The current studies show a high application potential of nanoparticles for plant treatments, where the general properties of nanoparticles such as their lower concentrations for an appropriate effects, the gradual release of nanoparticle-based nutrients or their …
Soil bacteria are some of the key players affecting plant productivity. Soil today is exposed to emerging contaminants like metal engineered nanoparticles. The objective of this study was to evaluate the toxicological effects of silver and zinc oxide nanoparticles on bacteria classified as plant growth-promoting bacteria. Three types …
Accumulation, Toxicity and Tolerance. Several studies have investigated the binding of various states of gold and gold-silver-copper alloy nanoparticles in Medicago sativa, Brassica juncea and other living plant systems [18, 35–38].The uptake of gold nanoparticles and their effect on different plant systems have been studied and …
NPs can have substantial negative effects, such as reduction in seed germination and suppression of plant elongation, and can even cause plant death.
The impacts of nanoparticles on some beneficial plant growth promoting bacteria (PGPB) were evaluated and showed their inhibition effect on optical density of PGPB at a concentration of 100 mg/L ...