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61,005 resultsShowing papers similar to Morphology and metabolism of storage substances contribution to alkali stress responses in two contrasting barley cultivars during germination stage
ClearWheat Drought Tolerance: Morpho-Physiological Criteria, Stress Indexes, and Yield Responses in Newly Sand Soils
Researchers conducted field trials in Egypt to evaluate the drought tolerance of four Egyptian bread wheat cultivars using morphological, physiological, and yield-based criteria. They found significant variation among cultivars in their response to water stress, with some maintaining better productivity under drought conditions. The study identifies stress indices that can help breeders select wheat varieties better suited for water-limited agricultural environments.
Cascading effects from soil to maize functional traits explain maize response to microplastics disturbance in multi-nutrient soil environment
Researchers found that microplastics in agricultural soil can dry out the soil and disrupt nutrient availability for maize plants, but the crop partially compensates by growing longer, more efficient roots to forage for nutrients. This adaptive response — more pronounced in nutrient-rich soils — means microplastic impacts on crop yields depend heavily on soil conditions, complicating efforts to predict food security risks from plastic pollution.
Effects of microplastics on seed germination and seedling physiological characteristics of Spinacia oleracea under alkali stress.
Polystyrene nanoplastics at moderate to high concentrations (400 mg/L and above) inhibited spinach seed germination and suppressed antioxidant enzyme activity and chlorophyll levels, even under normal growing conditions. When combined with alkaline salt stress — simulating saline soils common in some agricultural regions — both stressors generally compounded harm to plant development. These findings raise concerns about microplastic contamination in irrigated croplands, where plants may already face chemical stress, potentially threatening food crop yields.
Effect of zinc and protein content in different barley cultivars: use of controlled release matrices
Researchers tested controlled-release protein-based matrices containing zinc on six barley cultivars, finding that the matrices improved seed germination and zinc content in plants, offering a more efficient alternative to conventional fertilization for this important cereal crop.
Unveiling the mechanism of micro-and-nano plastic phytotoxicity on terrestrial plants: A comprehensive review of omics approaches.
This comprehensive review examined how micro-and-nano plastics (MNPs) in terrestrial soils damage plant health by inhibiting water and nutrient uptake, reducing seed germination, impairing photosynthesis, and inducing oxidative stress. The review identified key knowledge gaps in understanding MNP phytotoxicity mechanisms and their implications for food security.
Effect of microplastics on seed storage proteins of plants
This review examines how microplastic contamination affects plant seed storage proteins — key nutritional components and drivers of reproductive success — with implications for food security as MP-plant interactions increasingly challenge the foundation of agricultural food systems.
Uncovering the intricate relationship between plant nutrients and microplastics in agroecosystems
A study of wheat grown in soils with varying microplastic levels found complex interactions between MPs and plant macronutrients and micronutrients, with MPs altering nutrient uptake in ways that could affect crop productivity in contaminated agricultural soils.
Effects of plastic fragments on plant performance are mediated by soil properties and drought
Researchers found that plastic fragments reduced soil water content and negatively affected Arabidopsis thaliana growth, with effects most pronounced under drought conditions and dependent on soil texture, suggesting plastic pollution and water stress interact to compound harm to plants.
The effects of ageing process on the release of arsenic into soil pore water and related phytotoxicity assessed based on seed germination
Not relevant to microplastics — this paper investigates how arsenic contamination in soil changes over time and its toxic effects on plant seed germination.
The effects of microplastics on crop variation depend on polymer types and their interactions with soil nutrient availability and weed competition
Researchers investigated how different types of microplastics interact with soil nutrient availability and weed competition to affect crop growth. The study found that the effects of microplastics on plant performance depend on the polymer type and are modulated by fertilization levels and competition from weeds, suggesting that real-world agricultural impacts of microplastic pollution may be more complex than laboratory studies indicate.
Integrating Chlorophyll a Fluorescence and Enzymatic Profiling to Reveal the Wheat Responses to Nano-ZnO Stress
Not relevant to microplastics — this study examines how different wheat cultivars respond to zinc oxide nanoparticle stress in soil, using chlorophyll fluorescence and enzyme activity to identify tolerant varieties.
Biochemical Impact of Microplastic Exposure on Seed Enzyme Activation During Early Germination
This study examined how microplastic exposure affects antioxidant enzyme activity in seeds during early germination, finding that microplastics disrupted key biochemical processes required for seed activation. The results suggest soil microplastic contamination could impair crop establishment.
Impact of plastic mulch and their associated leachates on seed germination
This study examined how plastic mulch films and their chemical leachates affect seed germination, finding that both the physical presence of plastic fragments and dissolved additives from weathered mulch can reduce germination rates in exposed crops.
Microplastics and plant health: A comprehensive analysis of entry pathways, physiological impacts, and remediation strategies
This comprehensive review examines how microplastics enter plant systems, the physiological and biochemical impacts on plant health, and the implications for crop productivity and food safety, synthesizing evidence that MPs can reduce germination, growth, and nutritional quality in agricultural plants.
The role of microplastic pollution in the modification of the physicochemical properties of arable soil and uptake of potential toxic elements by plants
Researchers conducted a series of studies analyzing how microplastic pollution modifies the physicochemical properties of arable soil and affects the uptake of potentially toxic heavy metals by plants, beginning with a comprehensive literature review of microplastic interactions with plant physiology, metals, pesticides, and pathogens.
Assessing Grain Quality Changes in White and Black Rice under Water Deficit
This paper is not about microplastics; it is an agricultural study comparing grain quality — including phenolic content, antioxidant capacity, and mineral composition — in white and black rice varieties grown under conventional flooding versus alternate wetting and drying irrigation regimes.
Effects of polystyrene microplastics on the agronomic traits and rhizosphere soil microbial community of highland barley
Researchers investigated how polystyrene microplastics of different sizes and concentrations affect highland barley growth and the microbial communities in surrounding soil. They found that smaller particles reduced grain weight while larger particles decreased spike dimensions, and all microplastic treatments significantly lowered soil bacterial diversity. The study also showed that adding degrading bacteria helped restore microbial community structure closer to normal conditions.
Impact of microplastic residues from polyurethane films on crop growth: Unraveling insights through transcriptomics and metabolomics analysis
Residual plastic films from coated fertilizers harmed wheat growth by disrupting energy metabolism in roots, with one type reducing plant height by nearly 25%. However, some bio-based polyester films triggered plant defense responses that offset the damage, suggesting that switching to certain biodegradable alternatives could reduce the microplastic-related risks to crop production and food safety.
Characterization and Trait Association Analysis of 27 Pearl Millet Landraces in Southern Tunisia
Not a microplastics paper — this agricultural study characterizes 27 pearl millet varieties grown in Tunisia, evaluating traits such as grain yield and drought tolerance to support crop breeding programs.
Microplastics have rice cultivar-dependent impacts on grain yield and quality, and nitrogenous gas losses from paddy, but not on soil properties
A pot experiment with different rice cultivars found that polyethylene microplastics affected grain yield, quality, and nitrogen cycling in a cultivar-dependent manner, indicating that genetic background modulates plant sensitivity to microplastic contamination. The findings have implications for agricultural management in regions where microplastic-contaminated soils are common.
Evaluating the Role of Tobacco Stalk Biochar in Wheat Growth Under Microplastic Exposure
Researchers conducted a two-factor pot experiment testing whether tobacco stalk biochar could mitigate the effects of polyethylene microplastics on wheat growth, finding that biochar addition restored soil pH and organic matter and partly reversed the physiological stress caused by microplastic exposure.
Effect of MnxOy Nanoparticles Stabilized with Methionine on Germination of Barley Seeds (Hordeum vulgare L.)
Not relevant to microplastics — this study investigates the effect of manganese oxide nanoparticles stabilised with the amino acid methionine on barley seed germination and early growth.
Plastic mulching in agriculture. Trading short-term agronomic benefits for long-term soil degradation?
This study examined plastic mulch use in agriculture, arguing that short-term crop benefits come with long-term costs as mulch fragments accumulate in soil as microplastics and disrupt soil structure, biology, and water dynamics.
Effects of Land Preparation Method and Organic Soil Amendment on Soil Properties, Growth and Yield of Maize (Zea mays)
This field experiment in Kenya found that conservation agriculture with black soldier fly manure and biochar improved soil moisture retention and maize yields. The study is not related to microplastic research.