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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Wednesday 18 July 2018

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Dissipation behavior of Chlorfenapyr on Citrus and Tomato in Egypt


Volume 18, Issue 1, October 2016, Pages 131–139

 Dissipation behavior of Chlorfenapyr on Citrus and Tomato in Egypt

Fayza A. Sdeek1, Amany R. Morsy2, Hannem M. Arafa3, and Essam Kamel4

1 Central Agricultural Pesticides Laboratory, Agricultural Research Center ARC, Dokki, Giza, Egypt
2 Plant Protection Department, Faculty of Agriculture, Benha University, Egypt
3 Residue Dept., Central Agricultural Pesticides Laboratory, Agricultural Research Center, Egypt
4 Toxicology Unit, Animal Health Research Institute, Dokki, Egypt

Original language: English

Received 19 July 2016

Copyright © 2016 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Improper uses of pesticides leads to occupational, environmental and food security risks. Ethyl acetate followed by GC determination for the analysis of chlorfenapyr residues in orange and tomatoes were performed. Chlorfenapyr accuracy, repeatability, linearity and specificity were investigated. Pesticide regression coefficients (R(2)) were 0.9953 and 0.9901 in orange and tomatoes, respectively. LODs were 2.3 and 2.4 ?g/kg, respectively, while LOQs were 8.0 and 7.8 ?g/kg, respectively. Recovery% was ranged from 91.12% to 96.54%. The Half-life values (t1/2) were 2.85 and 2.89 days for orange and tomato, respectively. The PHI was 21 and 10 days for orange and tomato, respectively. Detection of Chlorfenapyr PHI residues in this work highlights on the urgent needs for good implementation in Good Agriculture Practices and continuous control for these crops to minimize the health risk to consumption and improve exports.

Author Keywords: Chlorfenapyr, Citrus, Tomato, Egypt.


How to Cite this Article


Fayza A. Sdeek, Amany R. Morsy, Hannem M. Arafa, and Essam Kamel, “Dissipation behavior of Chlorfenapyr on Citrus and Tomato in Egypt,” International Journal of Innovation and Applied Studies, vol. 18, no. 1, pp. 131–139, October 2016.