Publisher : The Korean Society of Environmental Agriculture
DOI : 10.5338/KJEA.2013.32.2.136
Title & Authors
Establishment of Pre-Harvest Residue Limits (PHRLs) of Fungicide Fenarimol and Insecticide Flufenoxuron in Peaches during Cultivation Period Moon, Hye-Ree; Park, Jae-Hoon; Yoon, Ji-Yeong; Na, Eun-Shik; Lee, Kyu-Seung;
BACKGROUND: This study was performed to establishment the PHRLs of peach during cultivation period, and also to estimate biological half-lives for residues of fenarimol and flufenoxuron. METHODS AND RESULTS: The extracted samples of fenarimol were analyzed by GC-ECD and the flufenoxuron extracted samples were analyzed by HPLC-DAD. Recoveries of fenarimol at two fortification levels of 0.1 mg/kg, 0.5 mg/kg were (%) and (%), respectively. And recoveries of flufenoxuron at two fortification levels of 0.1 mg/kg, 0.5 mg/kg were (%) and (%), respectively. CONCLUSION(S): The biological half-lives of fenarimol in single treatment and triple treatment were 3.5day and 3.8day. that of Flufenoxuron was also 7.1day and 4.9day, respectively. The PHRL of fenarimol were recommended as 1.5 mg/kg for 10day before harvest and the PHRL of flufenoxuron were recommended as 1.4 mg/kg for 10day before harvest.
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