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Residual characteristics of Neonicotinoid Insecticide dinotefuran and thiacloprid in cucumber  

Lee, Eun-Young (School of Applied Life Science and Environment, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
Noh, Hyun-Ho (School of Applied Life Science and Environment, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
Park, Young-Soon (School of Applied Life Science and Environment, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
Kang, Kyung-Won (School of Applied Life Science and Environment, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
Lee, Kwang-Hun (School of Applied Life Science and Environment, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
Park, Hyo-Kyung (School of Applied Life Science and Environment, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
Yun, Sang-Soon (Chungbuk Provincial Office, National Agricultural Products Quality Management Service)
Jin, Chung-Woo (Chungbuk Provincial Office, National Agricultural Products Quality Management Service)
Han, Sang-Kuk (Chungbuk Provincial Office, National Agricultural Products Quality Management Service)
Kyung, Kee-Sung (School of Applied Life Science and Environment, College of Agriculture, Life and Environmental Sciences, Chungbuk National University)
Publication Information
The Korean Journal of Pesticide Science / v.13, no.2, 2009 , pp. 98-104 More about this Journal
Abstract
This study was carried out to investigate the residue patterns of two neonicotinoid insecticides, dinotefuran and thiacloprid, commonly used for cucumber, were subjected to indicate a residual characteristic under greenhouse conditions. The pesticides were sprayed onto the crop at recommended and double doses 7 days before harvest and then sampling was done 0, 2, 3, 5, and 7 days after spraying. The amounts of their residues in the crop were analyzed with an HPLC. Their detection limits were 0.01 mg/kg for dinotefuran and 0.005 mg/kg for thiacloprid. Mean recoveries of dinotefuran and thiacloprid were from 85.78 to 89.52 and from 85.71 to 95.31%, respectively. Half-lives of dinotefuran and thiacloprid were 2.8 and 1.8 days at the recommended dose and 2.8 and 1.5 days at the doubled dose, respectively. The ratios of the EDI to ADI by intake the crop harvested 7 days after spraying were less than 0.1% of their ADIs.
Keywords
Dinotefuran; Thiacloprid; Pesticide residue; Cucumber;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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