What question did this study set out to answer?

This research aims to analyze the dissipation kinetics of fluopyram and trifloxystrobin in chilli and assess consumer risk based on residue levels.

June 6, 2026

Dissipation kinetics of fluopyram and trifloxystrobin following application of combination product in/on chilli and its consumer risk assessment

Puntos clave

This research aims to analyze the dissipation kinetics of fluopyram and trifloxystrobin in chilli and assess consumer risk based on residue levels.
Conducted supervised field trial of fluopyram + trifloxystrobin in chilli at standard and double doses.
Measured initial residue concentrations and determined the rate of dissipation over 60 days.
Calculated half-lives of both pesticides and proposed a pre-harvest interval for consumption.
Initial residues in chilli were 4.0 mg/kg for fluopyram and 2.08 mg/kg for trifloxystrobin at standard dose.
Residues dissipated below LOQ (0.05 mg/kg) in soil by harvest, while chilli residues remained above LOQ for 60 days.
Half-life ranged from 21.5 to 27.4 days for fluopyram and 23.2 to 25.1 days for trifloxystrobin.

Resumen

Supervised field trial of combination product of fluopyram + trifloxystrobin (Luna sensation 500 SC) in chilli and soil showed initial residues of fluopyram 4.0 and 12.04 mg kg-1 and trifloxystrobin 2.08 and 5.96 mg kg-1, respectively, at standard dose and double dose. Residues dissipated following first order kinetics and were above LOQ (0.05 mg kg-1) even after 60 days at both doses in chilli samples. In soil, residues of both were below LOQ (0.05 mg kg-1) at harvest (60 days). The metabolites, fluopyrambenzamide and CGA 321113, were below LOQ (0.05 mg kg-1) in all the samples (chilli and soil). A pre harvest interval (PHI) of 14 days is proposed for chilli fruits for combination product. Half-life ranged from 21.5–27.4 and 23.2–25.1 days, for fluopyram and trifloxystrobin, respectively, in standard and double dose in chilli. Present data can be used to establish MRLs of fluopyram and trifloxystrobin in chilli fruits by regulatory bodies.

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