Phytotoxic Effects of Polyethylene, Polypropylene and Polyethylene Terephthalate Microplastics on the Growth of Pepper (Capsicum Annuum L.)

Gradient Dependent Chronic Toxicity of Polyethylene Microplastics (PE-MPs) on Tomato

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Researchers exposed tomato plants to polyethylene microplastics at increasing concentrations and found dose-dependent reductions in growth, yield, and fruit quality — with 1% PE-MPs cutting fruit count by 56% and lycopene content by 24% — while also altering soil microbial diversity and enzyme activity.

Exploring the Impacts of HDPE Microplastics on Growth and Physiological Behavior of Brassica juncea (Mustard Plant)

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Researchers demonstrated that HDPE microplastics reduce chlorophyll, phenolic, and proline content in mustard plants (Brassica juncea) and showed — for the first time — that microplastics translocate from roots to leaves via fluorescence and confocal microscopy. This evidence of root-to-shoot microplastic transfer in a food crop raises direct concerns about human dietary exposure through consuming contaminated vegetables grown in plastically polluted agricultural soils.

Physiological and Biochemical Effects of Polystyrene Micro/Nano Plastics on Arabidopsis Thaliana

Impact of Microplastics and Nanoplastics on Plant Health and Development

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Researchers review the emerging evidence on how microplastics accumulate in agricultural soils and affect plant health and development, highlighting that while aquatic impacts are well documented, the effects on terrestrial food crops and soil-plant systems remain poorly understood.

Advances in Physiological and Ecological Effects of Microplastic on Crop

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Researchers reviewed how microplastics accumulate in crops — entering through roots and leaves and reaching edible parts — and found they reduce germination, inhibit photosynthesis, and lower crop yields, raising concerns about plastic contamination in the food we eat.