본 연구는 azoxystrobin을 대상으로 작물 재배 중 토양 잔류 농약의 엇갈이 배추로 흡수 이행 전이량과 잔류 소실량을 파악하여 안전한 농산물을 생산하기 위한 토양 중 기준을 제안하고자 하였다. 포장 시험은 시험 포장1(경기도 광주시)와 시험 포장 2(경기도 용인)의 시설재배하우스 두 곳에서 실시하였다. 서로 다른 두 시험 포장과 서로 다른 농도로 약재를 처리하여 HPLC를 이용해 분석하였다. 토양과 엇갈이 배추의 회수율은 토양의 경우 86.9% ~ 113.6%의 회수율과 변이계수는 0.1% ~ 2.0%이였고 엇갈이 배추의 경우 93.3% ~ 104.9%의 회수율과 0.6% ~ 5.5% 변이계수로 분석법으로 적합하였다. 토양 시료 채취는 시험 포장 1의 경우 저농도(3.0 mg/kg)와 고농도(6.0 mg/kg)로 각각 처리 후 0, 7, 14, 25, 35, 39 및 43일 후에 채취하였고 시험 포장 2의 경우 저농도(1.0 mg/kg)와 고농도(2.0 mg/kg)로 처리 후 0, 7, 14, 22, 28 및 36일 후에 채취하였다. 시험 포장 1의 잔류량은 0일 후 각각 10.67, 12.74 mg/kg에서 43일 후에 1.69, 2.81 mg/kg으로 감소하였다. 시험 포장 2의 잔류량은 0일 후 0.93, 1.85 mg/kg에서 36일 후 0.28, 0.44 mg/kg으로 감소하였다. 엇갈이 배추 중 잔류량은 시험 포장 1 처리구와 시험 포장 2 처리구 모두 전 구간에서 약제가 검출되지 않았다.
본 연구는 azoxystrobin을 대상으로 작물 재배 중 토양 잔류 농약의 엇갈이 배추로 흡수 이행 전이량과 잔류 소실량을 파악하여 안전한 농산물을 생산하기 위한 토양 중 기준을 제안하고자 하였다. 포장 시험은 시험 포장1(경기도 광주시)와 시험 포장 2(경기도 용인)의 시설재배하우스 두 곳에서 실시하였다. 서로 다른 두 시험 포장과 서로 다른 농도로 약재를 처리하여 HPLC를 이용해 분석하였다. 토양과 엇갈이 배추의 회수율은 토양의 경우 86.9% ~ 113.6%의 회수율과 변이계수는 0.1% ~ 2.0%이였고 엇갈이 배추의 경우 93.3% ~ 104.9%의 회수율과 0.6% ~ 5.5% 변이계수로 분석법으로 적합하였다. 토양 시료 채취는 시험 포장 1의 경우 저농도(3.0 mg/kg)와 고농도(6.0 mg/kg)로 각각 처리 후 0, 7, 14, 25, 35, 39 및 43일 후에 채취하였고 시험 포장 2의 경우 저농도(1.0 mg/kg)와 고농도(2.0 mg/kg)로 처리 후 0, 7, 14, 22, 28 및 36일 후에 채취하였다. 시험 포장 1의 잔류량은 0일 후 각각 10.67, 12.74 mg/kg에서 43일 후에 1.69, 2.81 mg/kg으로 감소하였다. 시험 포장 2의 잔류량은 0일 후 0.93, 1.85 mg/kg에서 36일 후 0.28, 0.44 mg/kg으로 감소하였다. 엇갈이 배추 중 잔류량은 시험 포장 1 처리구와 시험 포장 2 처리구 모두 전 구간에서 약제가 검출되지 않았다.
This study was conducted to propose an appropriate management level in soil for azoxystrobin by analyzing the amount of transference and residual loss in Korean cabbage of soil pesticide during the cultivation of crops. The trial was carried out at two trial 1 (Gwangju) and trial 2 (Mohyun). The rec...
This study was conducted to propose an appropriate management level in soil for azoxystrobin by analyzing the amount of transference and residual loss in Korean cabbage of soil pesticide during the cultivation of crops. The trial was carried out at two trial 1 (Gwangju) and trial 2 (Mohyun). The recovery rates were 86.9~113.6% and the coefficient of variation was 0.1%~2.0% in soil. While the recovery rates of azoxystrobin from Korean cabbage were ranged from 93.3 to 104.9% with 0.6~5.5% of CV. Trial 1 soil samples were collected at 0, 7, 14, 25, 35, 39 and 43 days after treatment with low treatment (3.0 mg/kg) and high treatment (6.0 mg/kg). Trial 2 soil was collected at 0, 7, 14, 22, 28 and 36 days after treatment with low treatment (1.0 mg/kg) and high treatment (2.0 mg/kg). The residual amount of trial 1 soil decreased to 10.69 and 2.81 mg/kg after 43 days from 10.67 and 12.74 mg/kg at 0 day. The residual amount of trial 2 soil decreased from 0.93 and 1.85 mg/kg at 0 day to 0.28 and 0.44 mg/kg after 36 days. Residual amount of Korean cabbage was not detected in all the treatments in both treatments 1 and 2.
This study was conducted to propose an appropriate management level in soil for azoxystrobin by analyzing the amount of transference and residual loss in Korean cabbage of soil pesticide during the cultivation of crops. The trial was carried out at two trial 1 (Gwangju) and trial 2 (Mohyun). The recovery rates were 86.9~113.6% and the coefficient of variation was 0.1%~2.0% in soil. While the recovery rates of azoxystrobin from Korean cabbage were ranged from 93.3 to 104.9% with 0.6~5.5% of CV. Trial 1 soil samples were collected at 0, 7, 14, 25, 35, 39 and 43 days after treatment with low treatment (3.0 mg/kg) and high treatment (6.0 mg/kg). Trial 2 soil was collected at 0, 7, 14, 22, 28 and 36 days after treatment with low treatment (1.0 mg/kg) and high treatment (2.0 mg/kg). The residual amount of trial 1 soil decreased to 10.69 and 2.81 mg/kg after 43 days from 10.67 and 12.74 mg/kg at 0 day. The residual amount of trial 2 soil decreased from 0.93 and 1.85 mg/kg at 0 day to 0.28 and 0.44 mg/kg after 36 days. Residual amount of Korean cabbage was not detected in all the treatments in both treatments 1 and 2.
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