Determination of residue of Deltamethrin on greenhouse cucumber
Author(s):
Abstract:
Due to the extensive use of pesticides in all fresh consumptive vegetables and fruits, it is important to detect the residues of these compounds. Due to short period between spraying and harvest time, cucumber can show a higher level of contamination. This experiment was carried out to investigate the residues of Deltamethrin (EC 2.5%), in a Storm cultivar of cucumber in greenhouse. Plants were sprayed at recommended doses (0.5 g/lit) and, samples were collected 1 hour, 1, 3, 5 & 7 days intervals after treatment. Pesticides residues were analyzed using GC-MS. Results showed that Deltamethrin levels below maximum residue level recommended by codex (0.2 mg/kg) were detected 5 days after application and no residues were detected on the 7th day. The average of recovery from fortified samples with 0.5 ppm of Deltamethrinobtained 91.3%.
Language:
Persian
Published:
Iranian Journal of Entomological Research, Volume:7 Issue: 4, 2016
Pages:
307 to 316
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