Korean Journal of Environmental Agriculture (한국환경농학회지)

The Korean Society of Environmental Agriculture (한국환경농학회)
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Residual Dissipation based on Crop Commodities Classification of Boscalid and Spinetoram on Crown Daisy and Sweet Pepper under Green Houses

시설재배 쑥갓 및 피망의 작물특성에 따른 Boscalid 및 Spinetoram의 잔류량 감소추이

  • Hwang, Eun-Jin (Department of Pharmaceutical Engineering.Applied Biotoxicology, Graduate School of Hoseo University) ;
  • Park, Jung-Eun (Department of Pharmaceutical Engineering.Applied Biotoxicology, Graduate School of Hoseo University) ;
  • Do, Jung-Ah (Pesticide and Veterinary Drug Residue Division, Food Safety Evaluation Department, Ministry of Food and Drug Safety) ;
  • Chung, Hyung-Wook (Pesticide and Veterinary Drug Residue Division, Food Safety Evaluation Department, Ministry of Food and Drug Safety) ;
  • Chang, Hee-Ra (Department of Pharmaceutical Engineering.Applied Biotoxicology, Graduate School of Hoseo University)
  • 황은진 (호서대학교 제약공학.바이오응용독성학과) ;
  • 박정은 (호서대학교 제약공학.바이오응용독성학과) ;
  • 도정아 (식품의약품안전처 식품의약품안전평가원 식품위해평가부 잔류물질과) ;
  • 정형욱 (식품의약품안전처 식품의약품안전평가원 식품위해평가부 잔류물질과) ;
  • 장희라 (호서대학교 제약공학.바이오응용독성학과)
  • Received : 2017.09.04
  • Accepted : 2017.09.25
  • Published : 2017.09.30
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Abstract

BACKGROUND: This study was performed to evaluate the residue dissipation of boscalid and spinetoram on crown daisy and sweet pepper affected by the morphology of the crop. The half-lives and dissipation rate constants for boscalid and spinetoram on crown daisy and sweet pepper were calculated. And then lower limit of 95% confidence interval for dissipation rate constant could be used to propose the pre-harvest residue limit. METHODS AND RESULTS: The pesticide products diluted according to the pesticide label were applied one time on crown daisy and sweet pepper at 2 field sites, respectively. Initial concentration of boscalid and spinetoram on crown daisy after application were in the range of 72.80~117.15 mg/kg and 2.82~4.67 mg/kg, respectively. And Initial concentration of boscalid and spinetoram on sweet pepper were in the range of 1.58~1.62 mg/kg and 0.10~0.21 mg/kg, respectively. Boscalid and spinetoram for crown daisy dissipted below the maximum residue limit(MRL) at 10 and 2 days after application, respectively. All residues concentration of boscalid and spinetoram for sweet pepper below the MRL at 0 day after application. The half-lives based on dissipation rate constant for boscalid and spinetoram on crown daisy were 4.2~4.9 days and 3.0~2.4 days respectively. And the half-lives for boscalid and spinetoram on sweet pepper were 6.7~7.0 days and 2.8~4.0 days respectively. CONCLUSION: The difference in initial concentration of boscalid and spinetoram among crop commodities were due to different crop morphology with larger surface areas. This study was suggested that pre-harvest residue limit would be calculated from lower limit of 95% confidence interval for dissipation rate constant and would be useful to protect consumers by controlling the pesticide residues in crop.

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References

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