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Pesticide Research Journal
Year : 2019, Volume : 31, Issue : 2
First page : ( 249) Last page : ( 258)
Print ISSN : 0970-6763. Online ISSN : 2249-524X.
Article DOI : 10.5958/2249-524X.2019.00036.0

Dissipation and Residual Bioefficacy of Chlorantraniliprole in Tomato and Brinjal Fruits

Sharma Smriti1,*, Kaur Amandeep, Warangtiwar RK1

Department of Entomology, Punjab Agricultural University, Ludhiana, 141 004, Punjab, India

1Pesticide Residue Analysis Laboratory, Punjab Agricultural University, Ludhiana, 141 004, Punjab, India

*Corresponding author E-mail: smritisharma80@pau.edu

Online published on 8 January, 2020.

Abstract

Dissipation of chlorantraniliprole residues on tomato and brinjal fruits and cropped soil is reported by high performance liquid chromatography and confirmed by liquid chromatograph-mass spectrometer. The average initial deposits of chlorantraniliprole (18.5 SC) were 0.03 and 0.04 mg kg−1 in tomato which dissipated to below the maximum residue limit(0.03 mg kg−1) after 1 and 3 d after application of chlorantraniliprole @ 30 and 60 g a.i. ha−1 respectively. In case of brinjal crop, the initial deposits were 0.19 and 0.40 mg kg−1 after its application @ 40 and 80 g a.i. ha−1 respectively, which dissipated to below the limit of quantification (0.03 mg kg−1) after 7 d of spray. At 30 and 40 g a.i. ha−1 also, it proved effective in managing the damage caused by fruit borers in tomato and brinjal crops respectively.

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Keywords

Chlorantraniliprole, HPLC, LCMS, dissipation, half-life, waiting period, bioefficacy, tomato, brinjal, soil.

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