Staff Members - Benha University
Residues Assessment of Captan, Spirodiclofen and Thiophanate Methyl in Apple Fruits under the Field Conditions
Middle East Journal of Agriculture Research • 2017
Publication Information
Authors
Amany R. Morsy ; Dalia E. EL- Hefny
Keywords
Dissipation, residues, captan, spirodiclofen and thiophanate methyl, MRL and half-life
Journal
Middle East Journal of Agriculture Research
Publisher
Not Available
Volume
6
Issue
1
Pages
135-142
publication.type
International
Paper Link
Not Available
Supplementary Materials
Not Available
Abstract
Dissipation behavior and residual levels of three pesticides (captan, spirodiclofen, and
thiophanate methyl) applied to apple trees were studied using QuEChERS extraction method under
climatic conditions in Egypt. The residues of tested pesticides were determined after one hour, 1, 3, 7,
10 and 15 days. The apple samples of captan, spirodiclofen, and thiophanate methyl contained residues
lower than the maximum residue limits (MRL) (3, 0.8 and 0.5 mg/kg) so that the apples fruits could be
used safely at any time after 3 days of application. The half-life values (t 1/2) were 2.47, 0.91 and 1.09
days for captan, spirodiclofen and thiophanate methyl, respectively.
thiophanate methyl) applied to apple trees were studied using QuEChERS extraction method under
climatic conditions in Egypt. The residues of tested pesticides were determined after one hour, 1, 3, 7,
10 and 15 days. The apple samples of captan, spirodiclofen, and thiophanate methyl contained residues
lower than the maximum residue limits (MRL) (3, 0.8 and 0.5 mg/kg) so that the apples fruits could be
used safely at any time after 3 days of application. The half-life values (t 1/2) were 2.47, 0.91 and 1.09
days for captan, spirodiclofen and thiophanate methyl, respectively.