Analysis of pesticide residues on sweet persimmon harvested from systemized orchards for exporting to USA

대미수출을 위한 병해충 방제 체계 적용 농약살포 단감원에서 수확한 단감의 잔류 농약량 조사

  • Kim, Young-Sub (Department of Applied Biology, Sangju National University) ;
  • Choo, Ho-Yul (Institute of Agriculture and Life Sciences, Department of Applied Biology and Environment, Gyeongsang National University) ;
  • Park, Chung-Gyoo (Institute of Agriculture and Life Sciences, Department of Applied Biology and Environment, Gyeongsang National University) ;
  • Lee, Dong-Woon (Department of Applied Biology, Sangju National University)
  • 김영섭 (상주대학교 생물응용학과) ;
  • 추호렬 (경상대학교 농업생명과학연구원, 응용생물환경학과) ;
  • 박정규 (경상대학교 농업생명과학연구원, 응용생물환경학과) ;
  • 이동운 (상주대학교 생물응용학과)
  • Published : 2005.06.30

Abstract

Temporary control schedules were tested at sweet persimmon orchards to development new control programs to meet the quarantine requirements of USA in 2002. The 'USA export-type control orchards' were spayed with pesticides (azoxystrobin, carbaryl, cyhexatin, fenarimol, mancozeb, methoxyfenozide, spinosad and trifluxistrobin) which were possibly adaptable to the poem trees in USA. Pesticide residues in the sweet persimmon fruits harvested from USA export-type control orchards were analyzed. Azoxystrobin, mancozeb, trifloxystrobin, spinosad, carbaryl, and cyhexatin were not detected by the experimental methods. The residues of fenarimol and methoxyfenozide in sweet persimmon of USA export-type control orchards were 0.016-0.020 ppm and 0.022-0.029 ppm, respectively. These levels are quite below the maximum residue limit level of USA (below 0.1 ppm in fenarimol and 7 ppm in methoxyfenozide). These results suggest that new control programs could be developed by modifying the USA export-type control schedule tested in this study to meet the quarantine requirements of USA, if we could suppress the damage of plant bugs.

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