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Advances in Physiological and Ecological Effects of Microplastic on Crop

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Abstract

Microplastic (MPs) pollution is a major global agroecosystem issue. Microplastic (≤ 0.2 μm) are mainly uptake by roots and transferred to the edible part of the crop, which also can be absorbed by the leaf. MPs and its extractum seriously impact crop growth and development, yield, and quality. We discuss the evidence and integrate omics studies to explore the adverse effects of MPs. The harmful impacts on crops mainly include decreasing crops’ germination and photosynthesis intensity, reducing crops’ biomass and the yield of edible parts, lipid peroxidation damage, changing in crop metabolic system, disrupting crop carbon and nitrogen metabolism, inducing chromosomal aberrations and DNA damage. In addition, MPs can change the species composition and community structure of soil root microorganisms, indirectly affecting crops’ growth and development. The toxicity depends on the materials type, particle size, and concentration of MPs. Crops can resist the toxicity of MPs by enhancing the antioxidant system’s function and generating more organic acids and other secretions from roots. We also analyzed the benefits and drawbacks of the current experimental methods used to study MPs’ effects on crops. Last, we point out the shortcomings existing in the research on the interaction between MPs and crops and put forward the direction and focus of future research. In the future, we should strengthen field experiments and consider the complex environment of soil. This review can offer a theoretical and scientific foundation for controlling and preventing MPs pollution in agro-ecosystem.

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Acknowledgements

We thank all staff involved for their contribution to the design and conduct of this study. In addition, this study was supported by the Key Project of Research and Development Plan of Hunan Province (2022SK2089); the Huxiang Youth Talent Support Program (2021RC3107); the Project of Hengyang Science and Technology Bureau (No. 2018KJ111 and 2016KF14); Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China (2019TP1027); The Key Laboratory of Ecological Environment and Critical Human Diseases Prevention of Hunan Province Department of Education, School of Basic Medical Sciences, Hengyang Medical School, University of South China (2019 − 379), the Project of College Students’ Innovative Entrepreneurial Training of Hunan Province (S202310555206), and College Students’ Research Learning and Innovative Experimental Project of University of South China (D202305170022007780).

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Correspondence to Jun Liu.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Jiang, M., Zhao, W., Liang, Q. et al. Advances in Physiological and Ecological Effects of Microplastic on Crop. J Soil Sci Plant Nutr (2024). https://doi.org/10.1007/s42729-024-01752-7

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  • DOI: https://doi.org/10.1007/s42729-024-01752-7

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