Translocation, distribution, and metabolism of tolfenpyrad in soil-cultivated and hydroponic endive (Cichorium endivia) and the assessment of potential health risk

IF 4.2 1区农林科学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY

Pesticide Biochemistry and Physiology Pub Date : 2025-03-04 DOI:10.1016/j.pestbp.2025.106370

Fanxia Liao , Huijun Zhu , Shaotao Wu , Wenhao Xiong , Aihui Zhang , Jing Shi , Kankan Zhang

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Abstract

Tolfenpyrad is broadly used in the agricultural industry; however, the environmental fate of tolfenpyrad in crops has not been clearly demonstrated. In this work, the translocation and distribution of tolfenpyrad were investigated in endive under soil-cultivated and hydroponic conditions. Endive roots can easily absorb and accumulate tolfenpyrad from cultivation media due to the high bioconcentration factors (> > 1). Except for the easy downward translocation in hydroponic endive (translocation factors (TFs) close to 1), the upward and downward translocation was limited (TF < 1). Moreover, three metabolites were identified. Tolfenpyrad dissipated quickly in hydroponic endive (half-lives of 5.2–6.9 d) and the health risk is acceptable (risk quotient <100 %). These findings may be attributed to the hydrophobicity of tolfenpyrad, as well as specific morphological and growth rate properties of endive under different cultivation conditions. The results provide information for the proper application of tolfenpyrad and risk prevention in crops for consumers.

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来源期刊

Pesticide Biochemistry and Physiology 生物-昆虫学

CiteScore

7.00

自引率

8.50%

发文量

238

审稿时长

4.2 months

期刊介绍： Pesticide Biochemistry and Physiology publishes original scientific articles pertaining to the mode of action of plant protection agents such as insecticides, fungicides, herbicides, and similar compounds, including nonlethal pest control agents, biosynthesis of pheromones, hormones, and plant resistance agents. Manuscripts may include a biochemical, physiological, or molecular study for an understanding of comparative toxicology or selective toxicity of both target and nontarget organisms. Particular interest will be given to studies on the molecular biology of pest control, toxicology, and pesticide resistance. Research Areas Emphasized Include the Biochemistry and Physiology of: • Comparative toxicity • Mode of action • Pathophysiology • Plant growth regulators • Resistance • Other effects of pesticides on both parasites and hosts.