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Prof. Amany Rashwan Ahmed El-Zehary :: Publications: |
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| Title: | Residues Assessment of Captan, Spirodiclofen and Thiophanate Methyl in Apple Fruits under the Field Conditions |
| Authors: | Amany R. Morsy ; Dalia E. EL- Hefny |
| Year: | 2017 |
| Keywords: | Dissipation, residues, captan, spirodiclofen and thiophanate methyl, MRL and half-life |
| Journal: | Middle East Journal of Agriculture Research |
| Volume: | 6 |
| Issue: | 1 |
| Pages: | 135-142 |
| Publisher: | Not Available |
| Local/International: | International |
| Paper Link: | Not Available |
| Full paper | Amany Rashwan Ahmed El-Zehary_5.pdf |
| 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. |
