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DISSIPATION AND DETERMINATION OF Spiromesifen 240SC RESIDUES IN CUCUMBER AND EFFECT OF FOOD PROCESSING ON RESIDUE | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 53, Issue 4, 2012, Pages 769-777 | ||
| Authors | ||
| Abid Alkareem J. Ali; Saleh H. Samir; Wisam A. Al-Mashhadany | ||
| Abstract | ||
| Laboratory and field studies were carried out at College of Agriculture- University of Baghdad and State Board for Plant Protection– Ministry of Agriculture to study the dissipation of insecticide, [Spiromesifen] 240SC which used to control insects on Cucumber [plastic houses] by using High Performance Liquid Chromatography [HPLC] technique, besides evaluate the efficacy of some treatments on cucumber fruits [ washing in water and soap, peeling, immersion in saline solution and pickling] to reduce the amount of insecticide residue in cucumber fruits. Results of Spiromesifen revealed that in first spray the residue in leaves was 23.65 mg/kg directly after treatment then dropped to 0.09 mg/kg after 28 days. However the residue dissipated faster in second spray. In fruits, the residue in first spray was 11.63 mg/kg directly after treatment reduced to MRL [Maximum residue limit] in 7 days 0.19 mg/kg, however the dissipation was faster in second spray, the residue reached MRL after 4 days 0.21 mg/kg. Regarding treatment of washing the fruit, Oberon residue was dissipated in first and second spray after 3 days 0.21 mg/kg and 4 days 0.2 mg/kg respectively. Residue of Oberon reduced to 0.04 and 0.06 mg/kg after 21 days respectively. Also, treatment of peeling, saline solution and pickling reduced Spiromesifen residue in first spray to MRL after 2 days [0.21, 0.23 and 0.22] mg/kg respectively, while in second spray, Spiromesifen reduced dropped to MRL after 2 days [0.2, 0.17 and 0.18] mg/kg respectively for previous treatment. | ||
| Keywords | ||
| Oberon; insecticide residue; cuc | ||
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