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Insecticide Residue Analysis in Farmgate Vegetables Collected from Different Regions of Bangladesh

M. A. Rahman
Senior Scientific Officer
Entomology Division, BARI, Gazipur

M. D. H. Prodhan
Scientific Officer
Entomology Division, BARI, Gazipur

M. W. Akon
Scientific Officer
Entomology Division, BARI, Gazipur

M. S. Ahmed
Senior Scientific Officer
Entomology Division, BARI, Gazipur

Abstract/ Executive Summary:

A total of 64 samples of vegetables viz., brinjal, bitter gourd, cucumber, pointed gourd, sponge gourd, snake gourd and yard long bean were collected from farmers field of different regions namely Comilla, Jossore, Narsingdi and Rajshahi and carried out to the Pesticide Analytical Laboratory, Entomology Division, Bangladesh Agricultural Research Institute, Gazipur. All samples were extracted and prepared for injection using the standard protocols for multi insecticide residue analyses during February to June 2011. The elute was injected in GC-ECD and GC-FTD depending on the nature of insecticides. Results revealed that among 64 samples none had detectable insecticide residue except one sample of brinjal from Jessore. It contained 0.02ppm quinalphos residue which was below MRL.

Keywords: Insecticides, Residue, Vegetables

Location: Gazipur

Start Date: 01-02-2011

End Date: 30-06-2011

Program Area: Pest Management

Commodity: Pesticide

Objectives:

1) To understand the load of pesticide residue in the harvested crop and 2) To collect farmers crop sample across the country for pesticide multi residue analysis

Methodology:

The standard for Diazinon, Malathion, Quinalphos, Fenitrothion and Cypermethrin were obtained from Sigma-Aldrich Laborchemikalien, Gmbh PO Box-100262, D-30918, Seelze, Germany via Bangladesh Scientific Pvt. ltd. Dhaka, Bangladesh. Standards of all the pesticides contained >99.6% purity. Available vegetable samples viz., brinjal, bitter gourd, cucumber, pointed gourd, sponge gourd, snake gourd and yard long bean were collected from farmers’ field of different regions namely Comilla, Jossore, Narsingdi and Rajshahi. All samples were extracted and prepared for injection using the standard protocols for multi insecticide residue analyses during February to June 2011. The elute was injected in GC-ECD and GC-FTD depending on the nature of insecticides.

Source of Information: Annual Report 2010-2011, Entomology Division, BARI , Gazipur

Article Link (Online Journal):

Funding Source:

1.	Budget: 200000.00

Total Budget (Tk.) : 200000.00

Achievement/Findings:

Results revealed that among 64 samples none had detectable insecticide residue except one sample of brinjal from Jessore. It contained 0.02ppm quinalphos residue which was below MRL.

Knowledge Management: Report/Proceedings