Nanotechnology is a potential and emerging field with multiple applications in different areas of study. The beneficial effects the use nanoparticles agriculture have already been proven. objective this research was to determine if foliar application Cu (NPs) could increase content bioactive compounds tomato fruits. Our study considered four treatments concentrations (50, 125, 250, 500 mg L−1, diameter 50 nm) applied twice during development culture. on fruit quality contents antioxidant...

Agriculture stands to benefit from nanotechnology in areas such as combating pests and pathogens, regulating the growth quality of crops, developing intelligent materials nanosensors. The objective this paper is provide an overview use nanomaterials (NMs) nanoparticles (NPs) plant nutrition, highlighting their advantages potential uses, but also reviewing possible environmental destination effects on ecosystems consumers. NPs NMs have been shown be attractive alternative for manufacture...

The tomato crop has great economic and nutritional importance; however, it can be adversely affected by salt stress. objective of this research is to quantify the agronomic biochemical responses plants developed under stress with foliar application copper nanoparticles. Four treatments were evaluated: nanoparticles (250 mg L-1) or without (50 mM NaCl), stress, an absolute control. Saline caused severe damage development plants; was mitigated nanoparticles, which increased performance...

The effects of nanoparticles (NPs) on plants are contrasting; these depend the model plant, synthesis (concentration, size, shape), and forms application (foliar, substrate, seeds). For this reason, objective study was to report impact different concentrations selenium (Se) copper (Cu) NPs yield, antioxidant capacity, quality tomato fruit. Se Cu were applied substrate every 15 days (five applications). yield determined until day 102 after transplant. Non-enzymatic enzymatic compounds in...

Early blight is a disease that greatly affects Solanaceae, mainly damaging tomato plants, and causing significant economic losses. Although there are methods of biological control, these very expensive often their mode action slow. Due to this, need use new techniques allow more efficient control pathogens. Nanotechnology alternative solve problems, allowing the creation tools for treatment diseases in as well The aim present investigation was evaluate foliar application selenium copper form...

Chitosan is a natural polymer, which has been used in agriculture to stimulate crop growth. Furthermore, it for the encapsulation of nanoparticles order obtain controlled release. In this work, effect chitosan–PVA and Cu (Cu NPs) absorbed on growth, antioxidant capacity, mineral content, saline stress tomato plants was evaluated. The results show that treatments with increased content chlorophylls b, total chlorophylls, carotenoids, superoxide dismutase. When mixed NPs, mechanism enzymatic...

Saline stress severely affects the growth and productivity of plants. The activation hormonal signaling cascades reactive oxygen species (ROS) in response to salt are important for cellular detoxification. Jasmonic acid (JA) enzyme SOD (superoxide dismutase), well recognized markers In this study, application chitosan-polyvinyl alcohol hydrogels (Cs-PVA) copper nanoparticles (Cu NPs) on expression defense genes tomato plants under was evaluated. Our results demonstrate that Cs-PVA + Cu NPs...

Tomato crop is valuable worldwide thanks to its commercial and nutritional value, which plays a very important role in the human diet. However, arid areas, tomato crops can be found with high salt content. Salinity major problem for agriculture, as it decreases productivity, lowers economic yields, induces soil erosion. The application of silicon has been observed increase tolerance abiotic stress specifically stress. Therefore, aim this study evaluate K2SiO3 SiO2 nanoparticles (SiO2 NPs) on...

Use of nanoparticles as nano copper (nCu) may be useful in agriculture. The objective the present study was to evaluate responses plant growth and antioxidants tomato fruits upon application nCu absorbed on chitosan hydrogels. performed two stages. first stage, with seedlings, done determine most appropriate concentration. a hydrogel at 100 mg kg-1 hydrogel, five different treatments were applied substrate prior transplantation: 0.3, 0.15, 0.06, 0.03 0.015 g L-1, plus control. second stage...

Modern agriculture requires alternative practices that improve crop growth without negatively affecting the environment, as resources such water and arable land grow scarcer while human population continues to increase. Grafting is a cultivation technique allows plant be more efficient in its utilization of nutrients, nanoscale material engineering provides opportunity use much smaller quantities consumables compared conventional systems but with similar or superior effects. On those...

Peppers are consumed all over the world due to flavor, aroma, and color that they add food. Additionally, play a role in human health, as contain high concentration of bioactive compounds antioxidants. The treatments used were an absolute control, Cs-PVA, four with 0.02, 0.2, 2, 10 mg (nCu) g-1 (Cs-PVA). application Cu nanoparticles chitosan-PVA hydrogels increases content capsaicin by up 51% compared control. This also antioxidants ABTS [2,2'-azino-bis (3-ethylbenzothiazolin-6-sulfonic...

The encapsulation of copper nanoparticles (Cu NPs) in chitosan hydrogels could improve the yield and quality fruit horticultural crops due to physicochemical properties NPs. objective this research was evaluate different concentrations Cu NPs Chitosan-polyvinyl alcohol (Cs-PVA) their effects on growth, productivity tomato. treatments were applied substrate as follows: 0.02, 0.2, 2 10 mg Cs-PVA hydrogel, hydrogel alone a control. had significant quality. They increased numbers leaves...

Abstract. The objective of this work was the evaluation peroxidase and catalase level activity in protein extract tomato response to different treatments with chemical elicitors stages development. elicitor compounds chitosan at 0.1% (w/v), 0.1 mM salicylic acid benzoic were sprayed on fruits without applying them leaves stems plant. one following stages: fruit set, growth phase 3 ripening. antioxidant enzymes determined 4 ripening, being found an increase both upon certain applied during...

Biostimulants are currently essential for agriculture as they increase crop productivity and quality sustainably. The aim of this work was to evaluate the effects biostimulation on application nanochitosan–iodine complexes (nCS-I) tomato plants. Leaf samples were taken analysis total protein content, photosynthetic pigments, antioxidant enzymatic activity, mineral iodine contents, gene expression, shelf life in fruit. catalase (CAT), glutathione peroxidase (GPX), ascorbate (APX), superoxide...

Moringa oleifera Lam is a plant that has recently gained importance as food because of its nutritional value and bioactive compound content practically all the organs are usable. The use nanoparticles appeared an alternative to increase compounds in plants. goal this work was determine if application copper would antioxidant capacity M. oleifera. Copper (Cu) were applied leaves at four different times throughout crop growth. biocompounds analyzed after second, third, fourth applications....

The antimicrobial activity of chitosan and water soluble interpolyelectrolyte complexes poly(acrylic acid)-chitosan was studied. Chitosans two different molecular weights were tested at concentration for 0.5 to 5 g·L-1 as agents against P. aeruginosa oleovorans. In both cases, the best microbial inhibition obtained with g·L-1. However, composition φ =2 produced higher antibacterial than chitosans NPEC2 complex more effective chitosans. This could be attributed number moles amino groups...

Iodine is an essential trace nutrient for humans; its deficit can affect motor and cognitive development. Biofortifying crops with iodine a way of promoting the adequate intake this element. The uses chitosan-iodine complexes crop biofortification have not been previously studied. present work evaluated effects KIO3 KI salts, chitosan-KIO3 complex (Cs-KIO3), chitosan-KI (Cs-KI) application on lettuce, chitosan-only treatment as control water absolute control. Each involved 0, 5, 25 mg I kg−1...

Surface modification of copper nanoparticles (CuNPs) was performed in a radiofrequency plasma reactor using acrylic acid, acrylonitrile, and methyl methacrylate monomers. Treated untreated CuNPs were analyzed by thermogravimetrical analysis, X-ray diffraction (XRD), transmission electronic microscopy, energy dispersive spectroscopy, Fourier transform infrared spectroscopy. The oxidation assessed XRD as function the treatment. antibacterial properties treated evaluated Pseudomonas aeruginosa...

The high degree of chemical modification the chitosan chains due to protonated amine groups allows them react with many negatively charged surfaces as anionic polymers and cell membranes, resulting in an attractive material for medical pharmaceutics applications. Incorporating ionic iodine (I − ) on is a direct way successfully obtain chitosan‐iodine nanoparticles (CSNPs‐I CSNPs‐IO 3 through gelation. (NPs) present hemispherical morphology sizes around 30–70 nm CSNPs‐I , similar NPs,...

Metal nanoparticles have many positive effects in improving crop production and productivity allow for increased germination rapid establishment under field conditions. The metallic applied this study were copper oxide (CuONPs) biosynthesized using orange peel (Citrus X sinensis) as a reducing agent to avoid or reduce toxicity wheat seeds sprouts. This determined the effect of CuONPs on germination, radicle plumule length, well phytochemical compounds treated with suspensions at following...

Selenium (Se) is an essential element for humans. Its consumption comes from food of animal or vegetal origin; whose content varies widely depending on its availability in soil anthropogenic sources. Biofortification improves nutritional quality, and has a positive influence human health. Thus, the objective this research was to assess agricultural biofortification with Se tomato fruit effects yield, nutraceutical antioxidant capacity. Five doses (0, 2, 4, 6, 8 mg L-1) form sodium selenite...

Biodegradable nanoparticles such as chitosan (CSNPs) are used in sustainable agriculture since they avoid damage to the environment; CSNPs have positive effects accumulation of bioactive compounds and increased productivity plants.This study aimed investigate impact applying on lettuce, specifically focusing enzymatic activity, compounds, yield.The trial was conducted using a completely randomized design, incorporating CSNPs: 0, 0.05, 0.1, 0.2, 0.4, 0.8 mg mL -1 .The doses 0.4 improve yields...

El uso de bioestimulantes es una alternativa en la producción plantas que permite aumentar el crecimiento y vigor. objetivo del trabajo fue evaluar aplicación complejos nanoquitosán-yodo (NPsCs-I) desarrollo tomate. La los tratamientos forma foliar cada 15 días. Se evaluaron variables crecimiento, vigor rendimiento las plantas. Los resultados muestran solamente para diámetro tallo se presentaron diferencias significativas con respecto al testigo absoluto (T0); aumentando aplicar NPsCs-KIO3...