Indian Journal of Agricultural Research, volume 36 issue 3 (september 2002) : 204 - 207

PERSISTENCE AND DISSIPATION OF SYNTHETIC PYRETHROID RESIDUES ON CHICKPEA

R.M. Srivastava, v, K. Sehgal, Poonam

Affiliations

¹Department of Entomology, (dO,. Pant University of Ayriculture and Technology, Pantnagar - 263 1

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Cite article:- Srivastava R.M., v, Sehgal K., Poonam (2025). PERSISTENCE AND DISSIPATION OF SYNTHETIC PYRETHROID RESIDUES ON CHICKPEA. Indian Journal of Agricultural Research. 36(3): 204 - 207. doi: .

ABSTRACT

Persistence and dissipation of insecticides viz., synthetic pyrethroids (deltamethrin, cypermethrin and fenvalerate) is reported on the straw and pods of chickpea. Insecticide residues were heavily deposited on the leaves and pods, just after spraying and dissipated as the first order reaction in the subsequent days. Minimum persistence was observed in the deltarnethrin, only 1 to 3 days in pods and 3 to 7 days in leaves. Residue of fenvalerate persisted up to the harvesting but it was below the Maximum Residue Limit (MRL) of 0.2 ppm prescribed by FAO/WHO. Residues of fenvilerate and cypermethrin were above the MRL after one week of spraying. Residue levels in leaves were higher than pods. Level of initial deposition after first spraying was always higher than second and third spraying

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PERSISTENCE AND DISSIPATION OF SYNTHETIC PYRETHROID RESIDUES ON CHICKPEA

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