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Document Type : Original Article


1 Department of Soil Science & Agricultural Chemistry, Anbil Dharmalingam Agricultural College & Research institute, Tamil Nadu Agricultural University, Trichy-62027, Tamil Nadu, India

2 Department of Agronomy, Directorate of Crop Management, Tamil Nadu Agricultural University,Coimbatore 641003,Tamil Nadu,INDIA



Quizalofop ethyl applied regularly in broad leaved field crops as post emergence to control annual and perennial grass weeds. The experiment was carried out to determine the harvest time residues of quizalofop ethyl in soil and ground nut plant using ultra sonic bath extraction and HPLC-DADin Randomized block design. The quizalofop ethyl (5% EC) was applied at four rates along with control treatment. Standardized methodology supported by recovery studies was adopted to estimate quizalofop ethyl residues on groundnut and soil. The recoveries at different spiking level ranged from 74.0 to 99.3 % with the quantification limit of 0.01 μg g-1. The quizalofop ethyl residue in soil was ranged from 0.012 to 0.038 mg/kg at harvest. The residues were below the quantification limit (0.01 mg/kg) and maximum residue limit (MRL) in groundnut haulm and kernels. The study established that quizalofop ethyl at 50 g/ha can be used safely to control grass weeds with the pre harvest interval of 110 days.


Assalin M.R, Queiroz S.C, Ferracini V.L, Oliveira T, Vilhena E, Mattos M.L. 2014. A Method for determination of imazapic and imazethapyr residues in soil using an ultrasonic assisted extraction and LC-MS/MS. Bull Environ Contam Toxicol. 93: 360-364.
Babic S, Petrivic M, Kastelan-Macan M. 1998. Ultrasonic solvent extraction of pesticides from soil. J. Chromatography A. 823: 3-9.
Delgado-Moreno L, Peria A, Mingorance M.D. 2009. Design of experiments in environmental chemistry studies: example of the extraction of triazines from soil after olive cake amendment. J Hazard Matter. 162: 1121-1128.
Dragus A, Beldean-galea M.S, Coman V. 2014. Determination of triazine herbicides in soil samples by ultrasound-assisted extraction followed by dispersive liquid-liquid microextraction based on solidification of floating organic droplet and hplc-uv analysis. Rev Roum Chim. 59: 1029-1036.
EFSA. 2008. Conclusion on the peer review of quizalofop-p. Conclusion on pesticide peer review. EFSA scientific report. 205: 1-216.
FFCR. 2006. Maximum Residue Limits (MRLs) of Agricultural Chemicals in Foods published in The Japan Food Chemical Research Foundation. In: The Japanese Positive List System for Agricultural Chemical Residues in Foods. /FFCRHOME.nsf/pages/MRLs-p. Accessed on 23 Feb, 2016.
FSSAI. (Food Safety and Standards Authority of India). 2011. Ministry of health and family welfare, New Delhi 16.
Ghobadi M, Yamini Y, Ebrahimpour B. 2015. Extraction and determination of sulfonylurea herbicides in water and soil samples by using ultrasound-assisted surfactant-enhanced emulsification micro extraction and analysis by high-performance liquid chromatography. Ecotoxicol environ saf. 112: 68-73.
Gibson LR. 2004. Principles of Weed Science. Copyright © 2001 Iowa State University. Revised: July 23, 2004. htm. Accessed on 12 Feb, 2016.
Janaki P, Meena S, Chinnusamy C. 2009. Persistence and degradation of herbicides in Rice, maize and soybean grown vertisols of Tamil Nadu, Southern India. In: Proceedings of the 2nd International Conference on Novel and Sustainable Weed Management in Arid and Semi-Arid agro Ecosystem, 7-10 September, 2009, Santorini, Athens, Greece. Available online at
Janaki P, Chinnusamy C. 2012. Determination of metamifop residues in soil under direct-seeded rice. Toxicol Environ Chem. 94: 1043-1052.
Janaki P, SathyaPriya R, Chinnusamy C. 2013. Field dissipation of oxyfluorfen in onion and its dynamics in soil under Indian tropical conditions. J Environ Sci Health B. 48: 941-947.
Kim H.K, Yun B.K, Park I.J, Shu Y.T. 1996. Fate of the herbicide quizalofop ethyl in soil. Korean J. Environ. Agric. 15: 488-493.
Koeppe M.K, Anderson J.J, Shalaby L.A. 1990. Metabolism of [l4C] quizalofop-ethyl in soybean and cotton plants. J Agric Food Chem. 38:1085-1091.
Mandal K, Sahoo S.K, Battu R.S, Singh B. 2014. Estimation of quizalofop ethyl residues in black gram (Vigna mungo L.) by gas liquid chromatography. Bull Environ Contam Toxicol. 92:115-118.
Paranjape K, Gowariker V. Krishnamurthy V.N, Gowariker S. 2014. The Pesticide Encyclopedia. Published by CAB International, Oxfordshire OX10 8DE, UK,
PSD (Pesticide Safety directorate). 1987. Evaluation of quizalofop ethyl. Published by the Dept. of Environment, food and rural affairs, Pesticide Safety directorate, Mallard house, York YO1 7PX.Issue no 2.
Roberts T.R, Hutson D.H, Lee P.W, Nicholls, P.H, Plimmer J.R. 1998. Metabolic Pathways of Agrochemicals: Part 1: Herbicides and plant growth regulators.Published by the Royal Society of Chemistry, Thomas Graham House, Milton Road, Cambridge CB4 4WF, UK.
Sahoo S.K, Mandal K, Singh G, Kumar R, Chahil G.S, Battu R.S, Singh B. 2013. Residual behavior of quizalofop ethyl on onion (Allium cepa L.). Environ monit assess. 185: 1711-8.
Sanchez-Brunete C, Rodriguez A, Tadeo J.L. 2003. Multi residue analysis of carbamate pesticides in soil by sonication-assisted extraction in small columns and liquid chromatography. J. Chromatography A. 1007: 85-91.
Sondhia S. 2014. Herbicides residues in soil, water, plants and non-targeted organisms and human health implications: an Indian perspective. Indian Journal of Weed Science 46: 66–85.
Sondhia S, Khare, R.R. 2014. Soil adsorption studies of a rice herbicide, cyhalofop-butyl, in two texturally different soils of India. Environ Monit Assess. 186: 5969-76.
USEPA. 1993. Quizalofop ethyl ester: Comparison of the metabolism of DPX-79376., the R-Enantiomer, optically active ingredient, and DPX P Y6202, the racemic mixture in soybeans.
Vencill W.K. 2002. Herbicide handbook. 8th ed. Lawrence, KS, USA: Weed Science Society of America.