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61,005 resultsShowing papers similar to Single and combined effect of polyethylene microplastics (virgin and naturally aged) and cadmium on pakchoi (Brassica rapa subsp. chinensis) under different growth stages
ClearNaturally aged polylactic acid microplastics stunted pakchoi (Brassica rapa subsp. chinensis) growth with cadmium in soil
Researchers investigated the combined effects of naturally aged polylactic acid (PLA) microplastics and cadmium on pakchoi growth in soil. The study found that aged PLA microplastics were more detrimental than virgin ones, and the combination with cadmium further stunted plant growth and disrupted antioxidant systems and soil microbial activities.
Aged polylactic acid microplastics with ultraviolet irradiation stunted pakchoi (Brassica chinensis L.) germination and growth with cadmium in hydroponics
Researchers found that UV-aged biodegradable PLA microplastics were more harmful to plant growth than fresh ones, especially when combined with cadmium contamination. The aged microplastics increased oxidative damage and reduced nutrient uptake in pakchoi plants. This matters because biodegradable plastics are promoted as eco-friendly alternatives, but they may become more toxic as they break down in the environment.
Single and Combined Effects of Microplastics and Cadmium on Oxidative Responses, Antioxidant System and Cadmium Phytoavailability of Chinese Cabbage (Brassica campestris L.)
Chinese cabbage (Brassica campestris) co-exposed to microplastics and cadmium showed increased oxidative stress compared to cadmium alone, and microplastics altered cadmium phytoavailability in soil, suggesting co-contamination scenarios pose compounded risks to vegetable crop safety.
Natural Aging IntensifiesMicroplastic Phytotoxicityin Brassica chinensis
Researchers compared pristine and artificially aged polyethylene and polystyrene microplastics applied to pak choi (Brassica chinensis) in soil over 45 days. Aged MPs with oxidised surfaces caused stronger phytotoxicity than pristine MPs, reducing plant biomass and disrupting soil enzyme activity, demonstrating that environmental weathering worsens MP impacts on crops.
Combined effects of microplastics and cadmium on the soil-plant system: Phytotoxicity, Cd accumulation and microbial activity
Researchers tested how different microplastic types combined with cadmium affect plant growth and soil health. Aged and biodegradable microplastics increased cadmium uptake in mustard greens more than fresh conventional plastics did. The study also found that microplastics altered soil microbial activity, suggesting that plastic pollution in farmland could change how plants absorb toxic metals from contaminated soil.
Effects of Co-Contamination of Microplastics and Cd on Plant Growth and Cd Accumulation
Researchers investigated how two types of microplastics, high-density polyethylene and polystyrene, at various concentrations affect cadmium uptake and toxicity in maize plants grown in agricultural soil. The study found that while polyethylene alone had no significant effect, polystyrene at higher doses altered cadmium accumulation patterns, suggesting that different plastic types may interact differently with heavy metals in soil.
Natural Aging Intensifies Microplastic Phytotoxicity in Brassica chinensis
Researchers compared the effects of pristine and naturally aged polyethylene and polystyrene microplastics on Chinese cabbage growth and soil health over a 45-day experiment. They found that aged microplastics with oxidized surfaces caused significantly more plant damage, reducing biomass and chlorophyll content more than their pristine counterparts. The study suggests that as microplastics weather in agricultural soils, they may become increasingly harmful to crops.
Interactive effects of microplastics and cadmium on soil properties, microbial communities and bok choy growth
Researchers grew bok choy in soil amended with polyethylene microplastics (0.5-2% by weight) and cadmium to assess interactive effects on soil properties, microbial communities, and plant growth. Combined exposure produced distinct synergistic and antagonistic interactions compared to either pollutant alone, altering soil enzyme activity, bacterial diversity, and plant metal uptake.
Synergistic Effectsof Polystyrene Nanoplastics andCadmium on the Metabolic Processes and Their Accumulation in HydroponicallyGrown Lettuce (Lactuca sativa)
Hydroponically grown lettuce co-exposed to cadmium and polystyrene nanoplastics accumulated 61% more cadmium and more nanoplastics than singly-exposed plants, with combined exposure causing greater oxidative stress and growth inhibition.
Effects of microplastics and cadmium co-contamination on soil properties, maize (Zea mays L.) growth characteristics, and cadmium accumulation in maize in loessial soil-maize systems
Researchers studied the combined effects of polyethylene microplastics and cadmium on soil properties and maize growth through pot experiments. They found that microplastics altered soil nutrient availability and, depending on size and concentration, either increased or decreased cadmium uptake by the plants. The study suggests that microplastic contamination in agricultural soils can change how crops absorb toxic heavy metals, with potential implications for food safety.
Coupled Effects of Polyethylene Microplastics and Cadmium on Soil–Plant Systems: Impact on Soil Properties and Cadmium Uptake in Lettuce
Researchers studied how polyethylene microplastics interact with cadmium contamination in soil and its effects on lettuce growth. The study found that microplastics combined with cadmium significantly decreased soil quality and that microplastics can alter cadmium uptake in plants, suggesting that co-contamination of agricultural soils with both pollutants may pose compounded risks to food crop safety.
Phytotoxic effects of polyethylene microplastics combined with cadmium on the photosynthetic performance of maize (Zea mays L.)
Researchers studied how polyethylene microplastics combined with cadmium, a toxic heavy metal, affect photosynthesis in two varieties of maize. They found that microplastics generally worsened cadmium's negative effects on the plants' ability to capture light energy and convert it to growth, though responses differed between maize varieties. The study suggests that microplastic pollution in agricultural soils could amplify the harm caused by heavy metal contamination to crop productivity.
Polystyrene nanoplastics distinctly impact cadmium uptake and toxicity in Arabidopsis thaliana
In a study using the model plant Arabidopsis, polystyrene nanoplastics increased the uptake and accumulation of the toxic heavy metal cadmium in plant roots. The combined stress of nanoplastics and cadmium caused worse oxidative damage and growth problems than either pollutant alone. This is concerning because it means microplastics in agricultural soil could help toxic metals get into crops more easily, potentially increasing human exposure through food.
Assessing stress responses in potherb mustard (Brassica juncea var. multiceps) exposed to a synergy of microplastics and cadmium: Insights from physiology, oxidative damage, and metabolomics
Researchers found that microplastics in soil increased the amount of cadmium, a toxic heavy metal, that mustard green plants absorbed, while also reducing crop yields and photosynthesis. Higher concentrations of microplastics made more cadmium available in the soil, leading to greater accumulation of the metal in the plants. This raises food safety concerns because vegetables grown in microplastic-contaminated soil could contain higher levels of toxic metals that are harmful to human health.
The aging of polyethylene mulch films in the presence of cadmium.
This study examined how cadmium in agricultural soil accelerates the aging and degradation of polyethylene mulch film over 150 days, finding that higher cadmium concentrations led to greater film deterioration. The results suggest that heavy metal pollution can increase the rate at which mulch films break down into microplastics in contaminated farmland soils.
Toxicity and fate of cadmium in hydroponically cultivated lettuce (Lactuca sativa L.) influenced by microplastics
Researchers found that PVC microplastics changed how lettuce plants absorb the toxic heavy metal cadmium when both were present in the growing water. The microplastics initially absorbed cadmium from the water but then altered the plant's uptake patterns, affecting where the metal accumulated in roots versus leaves. This matters because microplastics in agricultural water could change how toxic metals end up in the edible parts of vegetables people eat.
Ecotoxicological Impacts of Microplastics and Cadmium Pollution on Wheat Seedlings
Researchers investigated the combined effects of polyethylene microplastics and cadmium on wheat seedlings and found that microplastics generally reduced the antioxidant enzyme response that cadmium alone would trigger. The study also found that microplastics altered cadmium bioaccumulation patterns, increasing cadmium uptake in roots at low concentrations but decreasing it at higher levels, suggesting complex interactions between these co-occurring pollutants.
The toxicological effect on pak choi of co-exposure to degradable and non-degradable microplastics with oxytetracycline in the soil
This study tested how microplastics and the antibiotic oxytetracycline, both common contaminants in farmland soil, affect pak choi (a leafy vegetable). Both types of microplastics harmed root growth, photosynthesis, and plant metabolism, and surprisingly, biodegradable PLA microplastics caused more damage than conventional polyethylene ones. The findings suggest that microplastic contamination in agricultural soil could reduce crop quality and nutritional value, with so-called eco-friendly plastics potentially being worse for plants.
Effect of Microplastics on the Growth of Wheat Seedlings in Biochar Remediation of Cd‐Contaminated Soil
Researchers conducted a pot experiment examining how biodegradable PLA and non-biodegradable PA6 microplastics affect wheat seedling growth in cadmium-contaminated soil amended with biochar. The study found that the presence of microplastics influenced the effectiveness of biochar in promoting plant growth under cadmium stress, with differential effects depending on plastic type.
Exploration of Single and Co-Toxic Effects of Polypropylene Micro-Plastics and Cadmium on Rice (Oryza sativa L.)
Researchers investigated the single and combined toxic effects of polypropylene microplastics and cadmium on rice plants, finding that co-exposure altered cadmium bioavailability and produced compounded negative effects on plant growth and development.
Effects of microplastics and cadmium on the soil-wheat system as single and combined contaminants
Researchers found that polyethylene and polypropylene microplastics combined with cadmium reduced wheat chlorophyll concentrations and affected soil-plant systems differently depending on pollution levels, revealing complex interaction effects between co-contaminants.
Effect of co-presence of cadmium or procymidone with microplastic films in soil on lettuce growth
Pot experiments growing lettuce in soil contaminated with cadmium or the fungicide procymidone alongside LDPE or PVC microplastic films found that co-presence of microplastics with chemical contaminants produced subtle but measurable effects on plant growth. This matters because agricultural soils frequently contain both microplastics and chemical pollutants simultaneously, and their combined effects on food crops may differ from what single-contaminant studies would predict.
Analyzing the impacts of cadmium alone and in co-existence with polypropylene microplastics on wheat growth
Researchers tested how cadmium and polypropylene microplastics individually and together affect wheat seedling growth, and found that their combined presence intensified negative effects on germination and early development. Cadmium alone inhibited root and shoot growth, and microplastics amplified this damage while also altering antioxidant enzyme activity in the plants. The study suggests that the co-occurrence of heavy metals and microplastics in agricultural soil may create compounding stress on crop health.
Joint toxicity of Cadmium (II) and microplastic leachates on wheat seed germination and seedling growth
This study tested how chemical leachates from PVC and LDPE microplastics interact with cadmium contamination to affect wheat crops. While certain combinations mildly boosted seed germination, the combination of cadmium and PVC leachates increased oxidative stress in seedlings, suggesting that microplastics in contaminated farm soils could make heavy metal toxicity worse for food crops. PVC leachate was more harmful than LDPE, underscoring that plastic type matters when assessing agricultural risk.