Pesticide Residue and Decaying Dynamics in Sweet Pepper within Solar Green Houses
Sweet pepper is a widely cultivated vegetable in central Shaanxi's greenhouses.This study aimed to investigate the residue levels of triadimefon,dimethomorph,fenpropathrin,imidacloprid and acet-amiprid,while exploring their decaying dynamics during the winter season in solar greenhouses using HPLC-MS detection techniques.The results demonstrated that all five pesticides exhibited decreasing concentration over time,but decaying rate were slower than research conducted in different regions and seasons.Among them,resi-due of dimethomorph,imidacloprid and acetamiprid were within safe limits seven days after application at recom-mended concentration,which was suitable for large-scale implementation.
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