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Patil VK, Wagh UB, Phalak RP, Bhirud JD, Narkhede HP. A novel validated simple derivatization liquid chromatographic method with diode array detection for the simultaneous determination of mancozeb, azoxystrobin and difenoconazole in pesticide dosage form. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:907-920. [PMID: 35166733 DOI: 10.1039/d1ay01926k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A novel, rapid and simple reverse-phase high performance liquid chromatography (RP-HPLC) method for the simultaneous determination of three pesticides - mancozeb, azoxystrobin and difenoconazole by derivatization with ethyl iodide is presented. Analysis was performed on a C18 column (Agilent Eclipse plus, 150 mm × 4.6 mm; 5 μ) with the mobile phase consisting of acetonitrile + methanol (90 + 10 v/v) - water (0.1% v/v trifluoroacetic acid) (60 : 40, v/v) pumped isocratically at a flow rate of 1.0 mL min-1 and detection wavelength of 205 nm and 272 nm. The factors affecting the derivatization reaction and separation conditions were carefully evaluated and optimized. The method was linear over the concentration range of 3.50 mg L-1 to 31.48 mg L-1 for mancozeb, 0.32 mg L-1 to 2.85 mg L-1 for azoxystrobin and 0.32 mg L-1 to 2.89 mg L-1 for difenoconazole. The new method was successfully applied for the analysis of mancozeb, azoxystrobin and difenoconazole in the pesticide formulation with range recoveries of 99.46% to 100.76%, 99.07% to 101.09% and 98.59% to 101.59%, respectively. The present method is suitable and favorable for the simultaneous separation and analysis of tertiary mixture analytes on account of its sensitivity, rapidity and cost-effectiveness. In addition, it could have excellent application prospects for the simultaneous determination of all three pesticides in other formulated products.
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Affiliation(s)
- Vilas K Patil
- D. D. N. Bhole College, Bhusawal, Dist.-Jalgaon, Maharashtra-425201, India.
| | - Ujwala B Wagh
- Jain Irrigation Systems Limited, Jalgaon, Maharashtra-425001, India
| | - Raju P Phalak
- D. D. N. Bhole College, Bhusawal, Dist.-Jalgaon, Maharashtra-425201, India
| | | | - Hemant P Narkhede
- Smt. P. K. Kotecha Mahila Mahavidyalaya, Bhusawal, Dist.-Jalgaon, Maharashtra-425201, India.
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Lin L, Xu X, Song S, Liu L, Kuang H, Wang Z, Xu C. A colloidal gold immunochromatographic strip for quantitative detection of azoxystrobin in vegetables. NEW J CHEM 2021. [DOI: 10.1039/d1nj01191j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Develop the immunochromatographic strip assay for rapid on-site screening of azoxystrobin in vegetables.
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Affiliation(s)
- Lu Lin
- State Key Lab of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
| | - Xinxin Xu
- State Key Lab of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
| | - Shanshan Song
- State Key Lab of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
| | - Liqiang Liu
- State Key Lab of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
| | - Hua Kuang
- State Key Lab of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
| | - Zhengyou Wang
- NHC Key Laboratory of Food Safety Risk Assessment
- China National Center for Food Safety Risk Assessment
- Beijing
- People's Republic of China
- Standards & Quality Center of National Food and Strategic Reserves Administration
| | - Chuanlai Xu
- State Key Lab of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
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Mohapatra S, Siddamallaiah L, Matadha NY, Gadigeppa S, Raja DP, Udupi VR. Persistence and dissipation study of azoxystrobin, buprofezin, dinocap and hexaconazole on mango (Mangifera indica L.). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:32820-32828. [PMID: 32519101 DOI: 10.1007/s11356-020-09557-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 06/01/2020] [Indexed: 06/11/2023]
Abstract
Azoxystrobin, buprofezin, dinocap and hexaconazole are widely used in crop protection of mango from flowering to harvest. Residue assessment of these chemicals on mango fruits was done following treatments at the recommended and double doses as per good agricultural practices (GAP). Mango fruit and soil sample preparation was done by QuEChERS, and analysis was done using LC-MS/MS (liquid chromatography mass spectrometry). Using these techniques, the limit of detection (LOD) determined was 1.5 μg kg-1 and limit of quantification (LOQ) was 0.005 mg kg-1 for all analytes. The residue levels on mango initially were 0.265 and 0.55 mg kg-1 for azoxystrobin, 0.63 and 0.974 mg kg-1 for buprofezin, 0.635 and 0.98 mg kg-1 for dinocap and 0.203 and 0.35 mg kg-1 for hexaconazole from standard and double dose treatments, respectively. The dissipation rate of the pesticides on mango fruits was about the same except for azoxystrobin, which dissipated slowly compared with others. The half-life of degradation (DT50) of azoxystrobin was 10.4-12.1 days; buprofezin, 5.8-8.5 days; dinocap, 5.4-6.2 days; and hexaconazole, 4.4-6.1 days. The pre-harvest interval (PHI) based on European Union (EU) MRL (maximum residue limit) requirements were 1 day for azoxystrobin, 15 and 26 days for buprofezin, 27 and 34 days for dinocap, and 19 and 30 days for hexaconazole. The results of this study can be used to produce mango fruits safe for consumption and to meet the regulatory requirements for export of mango fruits from India.
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Affiliation(s)
- Soudamini Mohapatra
- Pesticide Residue Laboratory, Division of Plant Physiology and Biochemistry, ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake P.O., Bangalore, 560089, India.
| | - Lekha Siddamallaiah
- Pesticide Residue Laboratory, Division of Plant Physiology and Biochemistry, ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake P.O., Bangalore, 560089, India
| | - Nagapooja Yogendraiah Matadha
- Pesticide Residue Laboratory, Division of Plant Physiology and Biochemistry, ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake P.O., Bangalore, 560089, India
| | - Shambulinga Gadigeppa
- Pesticide Residue Laboratory, Division of Plant Physiology and Biochemistry, ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake P.O., Bangalore, 560089, India
| | - Danish Poothotathil Raja
- Pesticide Residue Laboratory, Division of Plant Physiology and Biochemistry, ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake P.O., Bangalore, 560089, India
| | - Veena Rao Udupi
- Pesticide Residue Laboratory, Division of Plant Physiology and Biochemistry, ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake P.O., Bangalore, 560089, India
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Hydrophilic molecularly imprinted dispersive solid-phase extraction coupled with liquid chromatography for determination of azoxystrobin residues in cucumber. IRANIAN POLYMER JOURNAL 2019. [DOI: 10.1007/s13726-019-00735-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Mirjana S. Jankulovska, Velkoska-Markovska L, Petanovska-Ilievska B, Ilievski U. Application of High Performance Liquid Chromatography for Determination of Metalaxyl, Acetamiprid and Azoxystrobine in Tomato Samples. JOURNAL OF ANALYTICAL CHEMISTRY 2019. [DOI: 10.1134/s1061934819040075] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Šelešovská R, Herynková M, Skopalová J, Kelíšková-Martinková P, Janíková L, Chýlková J. Reduction behavior of insecticide azoxystrobin and its voltammetric determination using silver solid amalgam electrode. MONATSHEFTE FUR CHEMIE 2019. [DOI: 10.1007/s00706-018-2348-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Oxidation Behavior of Insecticide Azoxystrobin and its Voltammetric Determination Using Boron-doped Diamond Electrode. ELECTROANAL 2019. [DOI: 10.1002/elan.201800647] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Romeh AAA. Phytoremediation of azoxystrobin and its degradation products in soil by P. major L. under cold and salinity stress. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2017; 142:21-31. [PMID: 29107244 DOI: 10.1016/j.pestbp.2016.12.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 12/21/2016] [Accepted: 12/23/2016] [Indexed: 06/07/2023]
Abstract
Azoxystrobin is a broad-spectrum, systemic and soil-applied fungicide used for crop protection against the four major classes of pathogenic fungi. The use of azoxystrobin use has induced water pollution and ecotoxicological effects upon aquatic organisms, long half-life in soils, as well as heath issues. Such issues may be solved by phytoremediation. Here, we tested the uptake and translocation of azoxystrobin and its degradation products by Plantago major, under cold stress and salt stress. The result demonstrated that azoxystrobin significantly accumulated in P. major roots under salinity conditions more than that in the P. major roots under cold conditions and natural condition within two days of experimental period. In P. major roots and leaves, the chromatograms of HPLC for azoxystrobin and metabolites under natural condition (control) and stressed samples (cold stress and salt stress) show different patterns of metabolism pathways reflecting changes in the degradation products. Azoxystrobin carboxylic acid (AZ-acid) formed by methyl ester hydrolysis was an important route in the roots and the leaves. AZ-pyOH and AZ-benzoic were detected in P. major roots under cold and salt stress, while did not detected in P. major roots under natural condition. In the leaves, AZ-pyOH and AZ-benzoic were detected in all treatments between 4 and 12days of exposure. Shoots of the stressed plants had greater H2O2 and proline contents than was observed in the control plants. The level of 100mM NaCl treatment induced significantly higher peroxidase (POD) activity than the non-treated control group. Leaf Chlorophyll contents in the plants at 80 and 100mM NaCl were significantly reduced than was observed in the control plants. I concluded that P. major had a high potential to contribute to remediation of saline-soil contaminated with azoxystrobin.
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Affiliation(s)
- Ahmed Ali Ali Romeh
- Plant Production Department, Faculty of Technology and Development, Zagazig University, Zagazig, Egypt.
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Jeffries MD, Yelverton FH, Ahmed KA, Gannon TW. Persistence in and Release of 2,4-D and Azoxystrobin from Turfgrass Clippings. JOURNAL OF ENVIRONMENTAL QUALITY 2016; 45:2030-2037. [PMID: 27898773 DOI: 10.2134/jeq2016.03.0081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Research has shown that pesticide residue in clippings from previously treated turfgrass may become bioavailable as grass decomposes, adversely affecting off-target organisms. We conducted a field study to quantify 2,4-D (2,4-dichlorophenoxyacetic acid) and azoxystrobin (methyl(E)-2-{2[6-(2-cyanophenoxy)pyrmidin-4-yloxy]phenyl}-3-methoxyacrylate) residues in turfgrass clippings collected from hybrid bermudagrass [ (L.) Pers. × Burtt-Davy], tall fescue [ (Schreb.) S.J. Darbyshire], and zoysiagrass ( Steud.). A subsequent greenhouse experiment was conducted to measure pesticide release from clippings into water. 2,4-D (1.6 kg a.i. ha) and azoxystrobin (0.6 kg a.i. ha) were applied to field plots at 32, 16, 8, 4, 2, 1, or 0 d before collection of the clippings. Clippings were collected from each experimental unit to quantify pesticide release from clippings into water. Both 2,4-D and azoxystrobin were detected when turfgrass was treated over the 32-d experimental period, suggesting that clipping management should be implemented for an extended period of time after application. Pesticide residue was detected in all water samples collected, confirming 2,4-D and azoxystrobin release from turfgrass clippings; however, pesticide release varied between compounds. Two days after clippings were incorporated in water, 39 and 10% of 2,4-D and azoxystrobin were released from clippings, respectively. Our research supports the currently recommended practice of returning clippings to the turfgrass stand when mowing because removal of 2,4-D and azoxystrobin in clippings may reduce pest control and cause adverse off-target impacts.
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Exploring matrix effects in liquid chromatography–tandem mass spectrometry determination of pesticide residues in tropical fruits. Anal Bioanal Chem 2015; 407:3667-81. [DOI: 10.1007/s00216-015-8586-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 02/10/2015] [Accepted: 02/20/2015] [Indexed: 10/23/2022]
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Liu P, Wang H, Zhou Y, Meng Q, Si N, Hao JJ, Liu X. Evaluation of fungicides enestroburin and SYP1620 on their inhibitory activities to fungi and oomycetes and systemic translocation in plants. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2014; 112:19-25. [PMID: 24974113 DOI: 10.1016/j.pestbp.2014.05.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Revised: 05/23/2014] [Accepted: 05/26/2014] [Indexed: 06/03/2023]
Abstract
Enestroburin and SYP1620 are newly developed strobilurin chemicals carrying fungicidal activity and need to be fully characterized in activities of anti-oomycete or anti-fungi, disease prevention and systemic translocation in planta. Their inhibitory activities were examined by amending the chemical in agar media, on which selected plant pathogens were grown and mycelial growth were measured. Effective concentrations for 50% inhibition (EC50) of mycelial growth were calculated to determine the level of fungicide sensitivity of the pathogen. Azoxystrobin was used as control. To examine the prevention and systemic translocation in plants, the fungicides were either sprayed on wheat leaves or dipped on wheat roots, which then were detected using high performance liquid chromatography. All the three fungicides inhibited mycelial growth of Sphacelotheca reiliana, Phytophthora infestans, Peronophythora litchi, and Magnaporthe oryzae, with EC50 values ranging from 0.02 to 2.84μg/ml; EC50 of SYP1620 was significantly lower than that of azoxystrobin and enestroburin on Valsa mali, Gaeumannomyces graminis, Alternaria solani, and Colletotrichun orbiculare. The three QoI fungicides showed strong inhibitory activities on spore germination against the 13 pathogens tested and were highly effective on biotrophic pathogens tested. Enestroburin and SYP1620 penetrated and spread in wheat leaves, but the penetration and translocation levels were lower compared to azoxystrobin. The three fungicides were all rapidly taken up by wheat roots and transported upwards, with greater fungicide concentrations in roots than in stems and leaves. The results indicate that enestroburin and SYP1620 are systemic fungicides that inhibit a broad spectrum of fungi and oomycetes.
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Affiliation(s)
- Pengfei Liu
- Department of Plant Pathology, China Agricultural University, Beijing, China
| | - Haiqiang Wang
- Department of Plant Pathology, China Agricultural University, Beijing, China
| | - Yuxin Zhou
- Department of Plant Pathology, China Agricultural University, Beijing, China
| | - Qingxiao Meng
- Department of Plant Pathology, China Agricultural University, Beijing, China
| | - Naiguo Si
- State Key Laboratory of the Discovery and Development of Novel Pesticide, China Shenyang Research Institute of the Chemical Industry, Shenyang, China
| | - Jianjun J Hao
- School of Food and Agriculture, University of Maine, Orono, ME, USA
| | - Xili Liu
- Department of Plant Pathology, China Agricultural University, Beijing, China.
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Fantke P, Juraske R. Variability of pesticide dissipation half-lives in plants. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2013; 47:3548-62. [PMID: 23521068 DOI: 10.1021/es303525x] [Citation(s) in RCA: 181] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Information on dissipation kinetics of pesticides in food crops and other plants is a key aspect in current risk and impact assessment practice. This is because human exposure to pesticides is predominantly caused by residues in agricultural crops grown for human and animal consumption. However, modeling dissipation of pesticides in plants is highly uncertain and therefore strongly relies on experimental data. Unfortunately, available information on pesticide dissipation in plants from experimental studies only covers a small fraction of possible combinations of substances authorized for use on food and fodder crops. Additionally, aspects and processes influencing dissipation kinetics are still not fully understood. Therefore, we systematically reviewed 811 scientific literature sources providing 4513 dissipation half-lives of 346 pesticides measured in 183 plant species. We focused on the variability across substances, plant species and harvested plant components and finally discuss different substance, plant and environmental aspects influencing pesticide dissipation. Measured half-lives in harvested plant materials range from around 1 hour for pyrethrins in leaves of tomato and pepper fruit to 918 days for pyriproxyfen in pepper fruits under cold storage conditions. Ninety-five percent of all half-lives fall within the range between 0.6 and 29 days. Our results emphasize that future experiments are required to analyze pesticide-plant species combinations that have so far not been covered and that are relevant for human exposure. In addition, prediction models would help to assess all possible pesticide-plant species combinations in the context of comparative studies. The combination of both would finally reduce uncertainty and improve assumptions in current risk and impact assessment practice.
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Affiliation(s)
- Peter Fantke
- Department of Management Engineering, Technical University of Denmark, Produktionstorvet 426, 2800 Kgs. Lyngby, Denmark.
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Multi-residue determination of pesticides in tropical fruits using liquid chromatography/tandem mass spectrometry. Anal Bioanal Chem 2011; 402:2287-300. [DOI: 10.1007/s00216-011-5431-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2011] [Revised: 09/15/2011] [Accepted: 09/20/2011] [Indexed: 10/17/2022]
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Filho AM, dos Santos FN, de Paula Pereira PA. Multi-residue analysis of pesticide residues in mangoes using solid-phase microextraction coupled to liquid chromatography and UV-Vis detection. J Sep Sci 2011; 34:2960-6. [DOI: 10.1002/jssc.201100341] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Revised: 06/22/2011] [Accepted: 07/25/2011] [Indexed: 11/05/2022]
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Square-Wave Adsorptive Stripping Voltammetry for Trace Determination of Dimoxystrobin and Azoxystrobin in Potatoes and Grapes. FOOD ANAL METHOD 2009. [DOI: 10.1007/s12161-009-9109-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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