Summary
This study examined how polystyrene nanoplastics in agricultural soil affect tomato plants across two generations. Nanoplastic exposure dose-dependently inhibited plant growth, fruit ripening, and reduced yield and quality in the parental (F0) generation; however, these adverse effects were substantially attenuated in the F1 generation, indicating transgenerational stress-response adaptation. The findings underline the importance of evaluating long-term and generational impacts of nanoplastic soil contamination on crop productivity and nutritional quality.
Regional applicability
The study does not specify geography; transferability to United Kingdom conditions would depend on whether UK tomato cultivation systems (glasshouse and outdoor) experience similar nanoplastic soil loads and whether tomato cultivars respond comparably. The research is mechanistically relevant to UK horticultural practice if nanoplastic contamination becomes a measurable soil pollutant.
Key measures
Plant growth metrics, fruit yield, fruit quality, ripening rates, H₂O₂ levels, malondialdehyde concentration, antioxidant enzyme activity, nutritional composition of fruit
Outcomes reported
The study measured phytotoxic effects of polystyrene nanoplastics on tomato growth, fruit yield, ripening, and nutritional quality across two generations, alongside oxidative stress markers including hydrogen peroxide, malondialdehyde, and antioxidant enzyme activity.
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