Pesticide Residue Research and Analytical Laboratory

Thiruvananthapuram, India

Pesticide Residue Research and Analytical Laboratory

Thiruvananthapuram, India

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Varghese T.S.,Directorate of Medicinal and Aromatic Plants Research | Mathew T.B.,Pesticide Residue Research and Analytical Laboratory | George T.,Pesticide Residue Research and Analytical Laboratory | Beevi S.N.,Pesticide Residue Research and Analytical Laboratory | Xavier G.,Pesticide Residue Research and Analytical Laboratory
Quality Assurance and Safety of Crops and Foods | Year: 2015

A field trial was conducted to study the dissipation of neonicotinoid insecticides, imidacloprid and acetamiprid, on chilli fruits for the estimation of its half-life and waiting period. The samples of chilli fruits drawn at 0, 1, 3, 5, 7, 15, 21 days after spraying were quantified on gas liquid chromatography equipped with Ni63 electron capture detector for acetamiprid and high performance liquid chromatography for imidacloprid. The residues of imidacloprid persisted up to seven days, whereas the acetamiprid persisted up to fifteen days of spraying. From the dissipation data, the half-life values of acetamiprid and imidacloprid were 2.27 and 2.08 days, respectively. A waiting period of 7.18 and 11.26 days were calculated for acetamiprid and imidacloprid in chilli. © 2014 Wageningen Academic Publishers.

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