International Journal of Advanced Biological and Biomedical Research

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37
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Effects of Dichlorvos Pesticide Residues on Strawberries (Fragaria Virginia) in Greenhouse Conditions

Document Type : Original Article

Authors

Bahareh Shahnazari 1
Alireza Jalali Zand 1
Mohammad Mahdi Gheisari 2
Jahangir Khajehali 3

1 Department of Entomology, Khorasgan (Isfahan) Branch, Islamic Azad University, Isfahan, Iran

2 Faculty of Basic Science, Khorasgan (Isfahan) Branch, Islamic Azad University, Isfahan, Iran

3 Department of Plant Protection, College of Agriculture, Isfahan university of Technology, Isfahan, Iran

Abstract
In order to determine the level of residual Dichlorvos pesticide on strawberry fruits in research greenhouse conditions in crop year of 2011-2012, a study was carried out in Education and Research Center for Greenhouse Productions of Islamic Azad University of Khorasgan of Isfahan. Factorial experiment was carried out based on a completely randomized design with two factors of pesticide consumption and different harvesting hours after spraying with 2 and 5 levels with 3 replications. In order to determine the amount of pesticide residues, GC-ECD device was used. The results showed that between the two pesticide usage levels (twice the recommended dose and the recommended dose), there was no statistically significant difference at the 5% level. However, among the hours after harvest, some differences were observed between the two doses, so between 1 hour after spraying and 7 days after spraying, the residual amount was different. At the end it was found that at the recommended dose and double recommended dose treatments in 7 days after spraying with pesticide, the amount of residues of Dichlorvos reached to allow limit of this pesticide residue (0.10) for export to the Europe Union countries.

Keywords

Dichlorvos pesticide
MRLs
Strawberries
GC-ECD
International Journal of Advanced Biological and Biomedical Research
Volume 2, Issue 4 (2)
March and April 2014
Pages 71-77

  • Receive Date 28 July 2014

Article View 20,059
PDF Download 6,565

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