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Interference Effects of Commercial Persistent Luminescence Materials on Rice Germination and Seedling Growth
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Researchers investigated the effects of three commercially available persistent luminescence materials (blue, green, and red) on rice germination, seedling growth, and oxidative stress, finding that all three types impaired plant development. The study compared their impacts to those of microplastics, demonstrating that micron-sized luminescent particles can accumulate in soil and pose risks to crops regardless of morphology or color.
Persistent luminescence materials (PLMs) are widely used across a multitude of fields due to their distinct optical properties. However, like other micron-sized materials such as microplastics, the production and recycling processes of PLMs can lead to their accumulation in soil and water, potentially posing detrimental effects on plant growth and development. In this study, we investigated the impact of commercially available blue PLM (bPLM), green PLM (gPLM), and red PLM (rPLM) on germination, seedling growth, and oxidative stress responses in rice. Our findings demonstrate that the morphology and size of PLMs do not significantly differ in their effects on rice growth. All three types of PLMs significantly inhibited root length and stem length, disrupted root cell structures, and decreased seedling biomass. Interestingly, gPLM and bPLM were found to stimulate the synthesis of osmolytes and chlorophyll in rice, while rPLM had the opposite effect. Changes in the antioxidant enzyme system in rice clearly indicated that the three types of PLMs induced reactive oxygen species (ROS) damage in rice. This study enhances our understanding of the potential environmental impacts of PLMs, offering valuable insights for the safe and responsible use of these materials in various applications.
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Investigating the Impact of Microplastics Type of Polyethylene, Polypropylene, and Polystyrene on Seed Germination and Early Growth of Rice Plants
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Researchers investigated how three common types of microplastics, polyethylene, polypropylene, and polystyrene, affect rice seed germination and early seedling growth. They found that microplastic exposure altered root development and shoot growth, with the effects varying by polymer type. The study raises concerns about how microplastic-contaminated agricultural soils could affect staple crop establishment and food production.
Effect of High-Density Polyethylene, Polyvinyl Chloride and Low-Density Polyethylene Microplastics on Seeding of Paddy
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This study tested how three common types of plastic microparticles affect rice seedling growth, finding that they can interfere with early plant development. The results matter for food safety because rice is a staple crop for billions of people, and microplastic contamination in agricultural soil could affect crop yields and potentially introduce plastic particles into the food supply.
Effect of Polystyrene Microplastics on Rice Seed Germination and Antioxidant Enzyme Activity
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Researchers tested how different concentrations of polystyrene microplastics affect rice seed germination, root growth, and antioxidant enzyme activity. They found that at higher concentrations, the microplastics inhibited root growth and triggered oxidative stress responses in the seedlings. The study indicates that microplastic contamination in agricultural soils could interfere with early crop development, potentially affecting food production.
Effects of microplastics on lentil (Lens culinaris) seed germination and seedling growth
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Researchers investigated how polyethylene microplastics affect lentil seed germination and seedling growth using an advanced optical imaging technique. The study found that exposure to microplastics reduced seed germination rates and slowed internal biological activity in the seeds. These findings suggest that microplastic contamination in soil could negatively impact the early growth stages of important food crops.
Effect of microplastics and nanoplastics on cereal crops
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This review summarized how microplastics and nanoplastics in soil affect cereal crops including wheat, rice, and maize, finding that even small amounts can inhibit seed germination, reduce root growth, and impair nutrient uptake. Microplastic contamination of agricultural soils poses a direct threat to global food security.
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