The Science of The Total Environment, Journal Year: 2025, Volume and Issue: 981, P. 179585 - 179585
Published: May 5, 2025
Language: Английский
Plants, Journal Year: 2025, Volume and Issue: 14(1), P. 125 - 125
Published: Jan. 3, 2025
Rhododendron simsii (R. simsii), a significant ornamental plant species, is adversely affected by the severe soil heavy metal pollution resulting from rapid industrialization, particularly in terms of its growth environment. Cadmium (Cd), representative pollutant, poses threat to and photosynthetic physiology. Despite importance understanding Cd stress resistance rhododendrons, research this area limited. This study focused on role exogenous melatonin (MT) mitigating Cd-induced stress, emphasizing impact Gas exchange parameters, prompt delayed fluorescence (DF), 820 nm modulated reflectance (Mr820), antioxidant enzyme activity, were measured. The findings revealed that under MT-free treatment imposed more limitation both stomatal non-stomatal processes R. leaves, significantly reducing net rate. In contrast, MT improved efficiency increasing maximum photochemical photosystem II, quantum yield electron transport, performance index. DF Mr820 analysis demonstrated provided robust protection donor receptor sides photosystems I II. Furthermore, decreased malondialdehyde (MDA) content, marker oxidative enhanced activity enzymes, including superoxide dismutase (SOD) guaiacol peroxidase (POD). conclusion, plays critical alleviating enhancing defense mechanisms safeguarding apparatus, thereby improving tolerance simsii.
Language: Английский
Citations
1
Agronomy, Journal Year: 2025, Volume and Issue: 15(3), P. 637 - 637
Published: March 3, 2025
Cadmium (Cd) is a toxic, non-essential heavy metal, with significant stress to plants such as soybean (Glycine max). High Cd concentration in the soil inhibits various stages of growth, including seed germination, vegetative and reproduction stage. Phosphate, vital macronutrient, has been shown alleviate Cd-induced stress; however, molecular mechanisms remain poorly understood. This study aimed explore interactive effects phosphate on soybeans at physiological, transcriptomic, metabolic levels using multi-omics approach. Experiments were conducted where treated different concentrations phosphate. The results indicated that significantly reduced plant height, photosynthetic rate, transpiration while phosphorus application mitigated these effects, reducing absorption both roots shoots. Furthermore, antioxidant enzyme activities (superoxide dismutase, catalase, peroxidase) enhanced by under stress, which scavenged reactive oxygen species (ROS) generated cadmium, thereby protecting cells from oxidative damage. Transcriptome metabolome analyses revealed substantial changes gene expression metabolite profiles response treatments. Notably, treatment induced up-regulation genes involved response, root development, metal transport, altering pathways related phenolic acids, flavonoids, lipids. research provided new insights into mechanism activity enzymes, improving plant’s defense capacity toxic cadmium soybeans, offering potential strategies for enhancing crop resilience against contamination.
Language: Английский
Citations
0
Journal of Hazardous Materials, Journal Year: 2025, Volume and Issue: unknown, P. 138203 - 138203
Published: April 1, 2025
Language: Английский
Citations
0
ACS Omega, Journal Year: 2025, Volume and Issue: unknown
Published: March 20, 2025
Soil pollution by heavy metals is a significant issue impacting food security and human health. Cadmium, toxic metal, contaminates soils via industrial agricultural activities, posing risks to the chain. This study aimed evaluate methods for reducing cadmium bioavailability in bread wheat durum wheat, crucial crops nutrition grown on contaminated soils. A greenhouse experiment was conducted which soil samples were treated with 3–6% natural bentonite sodium-enriched 5 10 ppm cadmium. Compared controls, decreased 55% of Cd 66% when 6% bentonite. Similarly, 48% at mg kg–1, respectively. Additionally, enriched applications increased biomass production both varieties. Bread dry matter 43.69% bentonite, while showed an increase 88.66% In highest B concentration obtained NB Cd, increases 15.5%, 39.53%, 16.56% compared controls; similar seen wheat. Ca concentrations application control samples, whereas Mn treatments. The Na varieties recorded EB, resulting (bread wheat: 2434%–4126%; 2763%–3592%) controls. Nutrient stability Fe, Cu, K, Mg, P, Zn varied according dose type. addition effectively reduced promoting production. These findings suggest that amendments have potential enhancing crop yields ensuring safety cadmium-contaminated environments.
Language: Английский
Citations
0
Plant and Soil, Journal Year: 2025, Volume and Issue: unknown
Published: April 3, 2025
Language: Английский
Citations
0
Plants, Journal Year: 2025, Volume and Issue: 14(8), P. 1191 - 1191
Published: April 11, 2025
Background: Heavy metal contamination significantly threatens crop growth and global food security. Understanding plant responses to such stress is crucial developing stress-tolerant crops. This study explores the physiological biochemical of Vigna radiata (L.) R. Wilczek mercury, lead, copper stress, focusing on role soluble sugar accumulation biomass enhancement in conferring heavy tolerance. Methods: Commercially available V. seeds were exposed varying concentrations (50, 150, 300 mg/L) mercurous nitrate, lead chloride under controlled conditions. The germination rates, seedling growth, parameters as protein content analyzed using spectrophotometry statistical methods, including ANOVA. Results: results demonstrated that ion increased dry weight, while all tested metals promoted accumulation. Although inhibited at higher concentrations, exhibited strong tolerance moderate levels. Conclusion: highlights adaptive strategies radiata, soluble-sugar-mediated osmotic adjustment enhanced allocation, which contribute its resilience stress. These findings provide insights for breeding stress-resistant crops managing heavy-metal-contaminated environments.
Language: Английский
Citations
0
The Science of The Total Environment, Journal Year: 2025, Volume and Issue: 981, P. 179585 - 179585
Published: May 5, 2025
Language: Английский
Citations
0