Korean Journal of Environmental Agriculture (한국환경농학회지)

The Korean Society of Environmental Agriculture (한국환경농학회)
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Establishment of Pre-Harvest Residue Limits (PHRLs) of Insecticide Clothianidin and Fungicide Fluquinconazole on Peaches during Cultivation Period

복숭아의 재배기간 중 살충제 Clothianidin 및 살균제 Fluquinconazole의 생산단계 농약잔류허용기준의 설정

  • Park, Jae-Hun (Department of Biological Environment and Chemistry, Chungnam National University) ;
  • Lim, Jong-Sung (Reserch Center, Sungbo Chemicals Co. Ltd.) ;
  • Yoon, Ji-Yeong (Department of Biological Environment and Chemistry, Chungnam National University) ;
  • Moon, Hye-Ree (Department of Biological Environment and Chemistry, Chungnam National University) ;
  • Han, Ye-Hoon (Syngenta Korea Ltd.) ;
  • Lee, Yong-Jae (Korea Ginseng Corp. Safety Research Center) ;
  • Lee, Kyu-Seung (Department of Biological Environment and Chemistry, Chungnam National University)
  • 박재훈 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 임종성 (성보화학 (주) 연구소) ;
  • 윤지영 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 문혜리 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 한예훈 (신젠타 코리아 (주)) ;
  • 이용재 ((주)한국인삼공사 안전성연구센터) ;
  • 이규승 (충남대학교 농업생명과학대학 생물환경화학과)
  • Received : 2012.07.17
  • Accepted : 2012.09.21
  • Published : 2012.09.30
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Abstract

BACKGROUND: It is hard to control the agricultural products exceeding MRL (maximum residue limit) before forwarding. Therefore, NAQS (National Agricultural Products Quality Management Service, South Korea) established PHRL (pre-harvest residue limit) on agricultural products during their cultivation periods. This study was performed to set the PHRLs of peach during cultivation period, and also to estimate biological half-lives for residues of clothianidin and fluquinconazole. METHODS AND RESULTS: Two groups of peach were treated under Korean GAP (Good Agricultural Practices) with application time, single and triple treatments. Sample was collected over 14days (each after 0, 2, 4, 6, 8, 10, 12, 14 days. 8times), and clothianidin and fluquinconazole were analyzed by HPLC/DAD and GC/ECD, respectively. CONCLUSION: The biological half-life of clothianidin in single treatment and triple treatment was 5.2days and 7.0days. That of fluquinconazole was also 3.9days and 4.1days, respectively. The PHRL of peach on 10days before harvest was 1.4 mg/kg in clothianidin and 1.8 mg/kg in fluquinconazole.

Keywords

References

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