Paper Information

Journal:   JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY   SPRING 2006 , Volume 8 , Number 1 (28); Page(s) 44 To 52.
 
Paper: 

MEASUREMENT OF RESIDUES OF COMMONLY USED INSECTIDES (ENDOSULFAN AND PHOSALON) FOR CONTROLLING COLORADO POTATO BEETLE

 
 
Author(s):  NASEHI F., ZAEIFI ZADEH M., SHAHBAZI HOSSEIN, NOURI GHANBALANI GH.
 
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Abstract: 

Many insecticides are used annually to control pests in our country, which can pollute the environment and the agricultural products severely. Organophosphates with high toxicity and organochlorines with their long stability in the environment are among important pesticides.
These pesticides are absorbed by the products or environment directly or indirectly and can enter the food chain easily. Measuring the concentration of such pesticide residues in the agricultural products and comparing them with the standard limits will help us to use them correctly. In this experiment, the residue concentrations of endosuifan and phosalon (two insecticides commonly used for controlling Colorado potato beetle) were determined as to dosage and time. The method included three stages: sampling, extraction and concentration and analysis. Analysis was done using GC and ECD and FTD detectors. The results showed that with the concentration applied in the experiment, the residual of phosalon was higher than Endosuifan, but their levels were lower than the international standard limits. The results also revealed that there was no significant difference between the different doses and time as far as the residues are concerned. Sampling with a one-month interval showed that the insecticide residues decreased about 0.008 ppm in this period of time.

 
Keyword(s): POTATO, PHOSALON, ENDOSULFAN, ENVIRONMENTAL AND REMAINDER
 
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