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20 resultsShowing papers similar to Impact of different microplastics polymers and albendazole and pyraclostrobin mix on arugula (Eruca vesicaria) physiology and growth
ClearThe 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.
Adsorption of neonicotinoid insecticides by mulch film-derived microplastics and their combined toxicity
Researchers studied how microplastics from agricultural mulch films interact with common insecticides used on crops. They found that biodegradable plastic (PBAT) microplastics adsorbed more pesticide than conventional polyethylene microplastics, and that aging increased this adsorption capacity. When combined, the microplastics and insecticides were more toxic to soil organisms than either pollutant alone, suggesting an underappreciated risk in agricultural soils.
Agricultural films derived microplastics intensify acetochlor toxicity on soil health
Researchers examined whether microplastics from agricultural plastic films worsen the toxic effects of the herbicide acetochlor on soil health. They found that both conventional polyethylene and biodegradable PBAT microplastics combined with the herbicide caused soil acidification, depleted organic carbon, and disrupted microbial communities more severely than either contaminant alone. The study suggests that microplastics from farming materials may amplify the harmful effects of commonly used agricultural chemicals on soil ecosystems.
Interaction of Microplastics with Emerging Organic Pollutants: A Study on Atrazine Adsorption and Phytotoxicity
Researchers studied how aged and pristine polyethylene microplastics adsorb the herbicide atrazine and whether this combination affects plant seed germination. Aged microplastics absorbed significantly more atrazine than new ones due to surface changes from UV exposure, and the atrazine-loaded aged particles inhibited lettuce germination by up to 34%. The findings suggest that weathered microplastics in agricultural environments may amplify the harmful effects of pesticide contamination.
Effect of polyethylene particles on dibutyl phthalate toxicity in lettuce (Lactuca sativa L.).
Polyethylene microplastic fragments in soil reduced the uptake of the plasticizer chemical dibutyl phthalate (DBP) into lettuce roots but worsened its inhibitory effects on root growth. The complex interactions between microplastics and co-occurring chemical contaminants like phthalates can alter toxicity in unexpected ways, affecting both plant growth and the safety of food crops.
Effects of polyethylene microplastic on the phytotoxicity of di-n-butyl phthalate in lettuce (Lactuca sativa L. var. ramosa Hort)
Researchers investigated how polyethylene microplastics interact with the chemical pollutant di-n-butyl phthalate in lettuce and found that microplastics altered the plant's response to the toxin. The combination reduced photosynthesis, lowered chlorophyll content, and disrupted the plant's antioxidant defenses. The study highlights that microplastics in soil can change how plants respond to other contaminants, potentially compounding environmental harm.
Effects of polyethylene and biodegradable microplastics on the physiology and metabolic profiles of dandelion
Researchers compared how conventional polyethylene and two "biodegradable" plastic alternatives affected dandelion plants when mixed into soil. All three types of microplastics stunted plant growth and caused oxidative stress, with conventional polyethylene being the most toxic -- showing that even so-called biodegradable plastics can harm plant health and soil ecosystems.
Divergent impacts of conventional and biodegradable microplastics on pesticide fate and toxicity in a soil–chive system, underscoring a soil-plant-microbe disruption
Researchers found that biodegradable polylactic acid (PLA) microplastics, despite being marketed as eco-friendly, significantly delayed pesticide degradation in soil and increased plant uptake of a toxic pesticide metabolite by up to 59%. PLA disrupted beneficial soil bacteria and interfered with plant detoxification pathways, while conventional polyethylene microplastics had comparatively milder effects. The study suggests that biodegradable plastics may pose unexpected risks when they interact with pesticides in agricultural soils.
Role of Biodegradable and Non-Biodegradable Microplastic in Modulating the toxicological Effects of Organic Pollutants in the Soil Organism Folsomia candida
Researchers exposed soil-dwelling springtail insects to combinations of microplastics and agricultural chemicals and found that biodegradable plastics (PBAT- and starch-based) made the toxicity of pesticides and veterinary drugs significantly worse, while conventional polyethylene plastic did not — raising concerns that "eco-friendly" biodegradable plastics may actually increase chemical risks in farming soils.
Effects of polyethylene microplastics and heavy metals on soil-plant microbial dynamics
This study examined how polyethylene microplastics interact with heavy metals in soil and found that microplastics significantly reduced plant growth while altering soil enzyme activity and microbial communities. The combination of microplastics and heavy metals disrupted nutrient cycling in the soil in ways that were different from either pollutant alone. These findings suggest that microplastic contamination in agricultural soil could affect crop nutrition and food production.
Interactive impacts of microplastics and arsenic on agricultural soil and plant traits
This study tested how microplastics interact with arsenic, a toxic metal, in agricultural soil growing lettuce. While microplastics alone slightly promoted plant growth, combining them with arsenic significantly reduced lettuce size and health. The findings suggest that microplastics in farm soil could worsen the effects of other pollutants like arsenic, potentially affecting the safety and quality of leafy vegetables that people eat.
Responses of lettuce (Lactuca sativa L.) growth and soil properties to conventional non-biodegradable and new biodegradable microplastics
Scientists compared the effects of biodegradable and conventional polyethylene microplastics on lettuce growth and soil health. Both types of microplastics reduced plant growth, damaged photosynthesis, and altered soil nutrient levels, but biodegradable PBAT microplastics actually caused more disruption to soil microbial communities. The findings challenge the assumption that biodegradable plastics are necessarily safer for agricultural ecosystems.
Aged polyethylene microplastics modulate herbicide and antibiotic bioavailability and plant responses: a case study with glyphosate and tetracycline
Researchers generated experimental data on how aged polyethylene microplastics affect the behavior of the herbicide glyphosate and the antibiotic tetracycline in hydroponic plant growth systems. The dataset includes measurements of pollutant sorption, plant photosynthetic pigments, and antioxidant enzyme activity in rapeseed plants exposed to various combinations of microplastics and chemicals. The study suggests that microplastics can modulate how other environmental contaminants interact with plants.
Response of Brassica chinensis L to the stress of combined pollution of microplastics and cypermethrin
Researchers studied the response of Brassica chinensis L. to combined pollution from conventional polyethylene microplastics and biodegradable polylactic acid microplastics together with the pesticide cypermethrin, finding that PLA microplastics caused greater inhibitory effects on plant growth than PE microplastics. Combined microplastic-pesticide treatment produced greater inhibition than microplastics alone, with plants managing oxidative stress through increased antioxidant defense at low PE concentrations that gradually weakened at higher concentrations.
Distinct responses of Caenorhabditis elegans to polyethylene microplastics and plant secondary metabolites
Researchers studied how polyethylene microplastics and plant-derived chemical compounds individually and together affect the roundworm C. elegans, a common soil organism. They found that while the plant compounds reduced worm reproduction and lifespan, microplastics had milder individual effects but modified the toxicity of the plant chemicals when combined. The study reveals that in real soil environments, the interactions between microplastics and natural plant chemicals create complex toxicity patterns.
Interactions of microplastics with pesticides and anthelminthics mediate undesirable effects on microbial nitrogen cycling in agricultural soils
Researchers investigated how three microplastic types (LDPE, PBAT, and starch-based) interact with the fungicide pyraclostrobin and the anthelmintic fenbendazole in agricultural soils, measuring effects on soil microbiota. Combined exposures often produced non-additive or antagonistic effects on microbial communities, complicating risk assessments of MPs in agricultural settings.
Pesticide bioaccumulation in radish produced from soil contaminated with microplastics
Researchers examined how microplastics in soil affect the bioaccumulation of pesticides in radishes, finding that aged microplastics enhanced the uptake of chlorpyrifos into the edible root. The study suggests that the combination of microplastics and pesticide mixtures in agricultural soils may increase food safety risks beyond what would be expected from individual contaminants alone.
Effects of microplastics on 3,5-dichloroaniline adsorption, degradation, bioaccumulation and phytotoxicity in soil-chive systems
Researchers examined how polyethylene and biodegradable PLA microplastics affect the behavior of a toxic pesticide byproduct in soil where chives are grown. They found that both types of microplastics increased soil absorption of the chemical and slowed its breakdown, extending the time it persists in the environment. While the microplastics partially reduced the pesticide's direct harm to plant growth, they increased chemical residues in soil and plant roots.
LDPE and biodegradable PLA-PBAT plastics differentially affect plant-soil nitrogen partitioning and dynamics in a Hordeum vulgare mesocosm
Researchers compared how conventional LDPE plastic and biodegradable PLA-PBAT plastic affect nitrogen cycling in soil where barley was growing. LDPE microplastics reduced the amount of fertilizer nitrogen taken up by plants and increased nitrogen lost through leaching, while biodegradable plastics boosted microbial activity in the soil. The study shows that different types of plastic pollution affect soil nutrient cycles in different ways, which could influence both crop nutrition and groundwater contamination.
Coupling polyethylene microplastics with other pollutants: Exploring their combined effects on plant health and technologies for mitigating toxicity
This review summarizes how polyethylene microplastics interact with other common soil pollutants like heavy metals and antibiotics in agricultural fields. Microplastics can absorb these pollutants and carry them into plants, making the combined exposure more harmful than either pollutant alone. The findings raise concerns about the safety of crops grown in microplastic-contaminated soil.