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Comparison of Pesticide Residue Amounts in Apple Trees Applied by Different Sprayers and Spray Volumes

살포기 종류별 살포물량별 사과 중 농약 잔류량의 비교

  • Moon, Seong-Hwan (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Kwon, Hyeyoung (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Hong, Su-Myeong (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Kim, Sang-Su (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Son, Kyung-Ae (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Lim, Chi-Hwan (Department of Applied Biology, College of Agricultural and Life Science, Chungnam National University)
  • 문성환 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 권혜영 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 홍수명 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 김상수 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 손경애 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 임치환 (충남대학교 생물환경화학과)
  • Received : 2016.08.18
  • Accepted : 2016.09.30
  • Published : 2016.09.30

Abstract

This study was conducted to compare of the pesticide residue amounts in fruit trees applied by different sprayers and spray volumes. Apple tree was used as a sample tree, and speed sprayer, power sprayer and knapsack motorized sprayer were tested. For similar sprayer and spray volume, the concentration of fluquinconazole and flusilazole in apple leaves were obtained respectively, for speed sprayer 8.33 and 2.15 mg/kg, for power sprayer 4.56 and 1.10 mg/kg, and for knapsack 4.55 and 1.12 mg/kg. The results showed that the treatment using speed sprayer had highest efficiency. The pesticide residues in apple leaves sprayed by 3 different spray volumes (560, 336 and 230 L/10a) using speed sprayer were 10.76 mg/kg, 8.32 mg/kg, 6.04 mg/kg on fluqinconazle and 3.04 mg/kg, 2.14 mg/kg and 1.47 mg/kg on flusilazole, respectively, indicating that the higher the volume, the higher the residues. The results from this study can be used as scientific basis for evaluating the field trial data for pesticide registration and the spray volume setting for fruit trees in Korea.

스피드스프레이어, 동력분무기, 배부식 동력분무기를 이용하여 사과원에서 fluquinconazole flusilazole 수화제를 동일한 물량으로 살포하고 잔류농약을 분석하여 살포기별 부착량을 비교하였으며 스피드스프레이어의 경우 살포물량을 고물량, 중물량, 저물량 처리를 두어 비교하였다. 살포기별 사과잎의 부착량은 두 농약 모두 스피드스프레이어의 부착량이 동력분무기와 배부식 동력분무기에 비해 유의적으로 많았다(fluquinconazole: 스피드스프레이어 8.33 mg/kg, 동력분무기 4.56 mg/kg, 배부식 동력분무기 4.55 mg/kg; flusilazole: 스피드스프레이어 2.15 mg/kg, 동력 분무기 1.10 mg/kg, 배부식 동력분무기 1.12 mg/kg). 스피드스프레이어의 살포물량별 사과잎의 농약 부착량은 물량이 클수록 부착량이 많았으며 물량별로 유의적 차이를 보였다(fluquinconazole: 고물량 10.76 mg/kg, 중물량 8.32 mg/kg, 저물량 6.04 mg/kg; flusilazole: 고물량 3.04 mg/kg, 중물량 2.14 mg/kg, 저물량 1.47 mg/kg). 이러한 결과는 농약의 살포기별 살포물량별 농약 부착 특성에 대한 기초자료로써 농약품목등록을 위한 시험의 기준 설정 및 자료평가에 활용이 가능하며 나아가 과수의 살포물량 설정을 위한 근거자료로 활용될 수 있을 것으로 판단된다.

Keywords

References

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