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http://dx.doi.org/10.5338/KJEA.2003.22.3.220

Residue Patterns of Procymidone, Chlorpyrifos and Cypermethrin in Peaches During Cultivation and Storage Period  

Lee, Yong-Jae (Dept. of Agricultural Chemistry, Chungnam National University)
Ko, Kwang-Yong (Dept. of Agricultural Chemistry, Chungnam National University)
Won, Dong-Jun (Dept. of Agricultural Chemistry, Chungnam National University)
Gil, Geun-Hwan (Dept. of Agricultural Chemistry, Chungnam National University)
Lee, Kyu-Seung (Dept. of Agricultural Chemistry, Chungnam National University)
Publication Information
Korean Journal of Environmental Agriculture / v.22, no.3, 2003 , pp. 220-226 More about this Journal
Abstract
The residue patterns of procymidone, chlorpyrifos and cypermethrin in peaches were examined. The pesticides were sprayed at 15 days before harvest and then were determined the residue at 0, 1, 2, 3, 5, 7, 10 and 15 days after pesticide application and calculated their $DT_{50}$. Also, the degradation patterns at $4^{\circ}C$ and $20^{\circ}C$ during storage period were compared. Biological half-lives of procymidone, chlorpyrifos and cypermethrin in peaches during the cultivation period were 3.1, 7.2 and 10.4 days, respectively. The biological half -life of procymidone was shorter than the others. During the storage period, half-lives of procymidone, chlorpyrifos and cypermethrin were 16.0, 14.3 and 13.1 days at $4^{\circ}C$ and 4.6, 10.2 and 12.9 days at $20^{\circ}C$, respectively. The degradation rates of these three pesticides in storage period were slower than them in cultivation period. Removal rates were $22.2{\sim}82.9%$ by tap water, and $12.5{\sim}88.8%$ by detergent solution.
Keywords
procymidone; chlorpyrifos; cypermethrin; biological half-life; persistence;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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