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Castanha RF, Pereira ADES, Villarreal GPU, Vallim JH, Pertrini FS, Jonsson CM, Fraceto LF, Castro VLSSD. Ecotoxicity studies of two atrazine nanoformulations: From the evaluation of stability in media to the effects on aquatic organisms. Environ Pollut 2023; 335:122235. [PMID: 37543073 DOI: 10.1016/j.envpol.2023.122235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 08/07/2023]
Abstract
In the field of agriculture, nanopesticides have been developed as an alternative to the conventional pesticides, being more efficient for pest control. However, before their widespread application it is essential to evaluate their safe application and no environmental impacts. In this paper, we evaluated the toxicological effects of two kinds of atrazine nanoformulations (ATZ NPs) in different biological models (Raphidocelis subcapitata, Danio rerio, Lemna minor, Artemia salina, Lactuca sativa and Daphnia magna) and compared the results with nanoparticle stability over time and the presence of natural organic matter (NOM). The systems showed different characteristics for Zein (ATZ NPZ) (184 ± 2 nm with a PDI of 0.28 ± 0.04 and zeta potential of (30.4 ± 0.05 mV) and poly(epsilon-caprolactone (ATZ PCL) (192 ± 3 nm, polydispersity (PDI) of 0.28 ± 0.28 and zeta potential of -18.8 ± 1.2 mV) nanoparticles. The results showed that there is a correlation between nanoparticles stability and the presence of NOM in the medium and Environmental Concentrations (EC) values. The stability loss or an increase in nanoparticle size result in low toxicity for R. subcapitata and L. minor. For D. magna and D. rerio, the presence of NOM in the medium reduces the ecotoxic effects for ATZ NPZ nanoparticles, but not for ATZ NPs, showing that the nanoparticles characteristics and their interaction with NOM can modulate toxic effects. Nanoparticle stability throughout the evaluation must be considered and become an integral part of toxicity protocol guidelines for nanopesticides, to ensure test quality and authentic results regarding nanopesticide effects in target and non-target organisms.
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Affiliation(s)
| | - Anderson do Espírito Santo Pereira
- Department of Environmental Engineering, Institute of Science and Technology of Sorocaba (ICTS), São Paulo State University (Unesp), Avenida Três de Março, 511, 18087-180, Sorocaba, São Paulo State, Brazil
| | - Gabriela Patricia Unigarro Villarreal
- Department of Environmental Engineering, Institute of Science and Technology of Sorocaba (ICTS), São Paulo State University (Unesp), Avenida Três de Março, 511, 18087-180, Sorocaba, São Paulo State, Brazil
| | - José Henrique Vallim
- Embrapa Environment, Rod SP 340, km 127.5, 13918-110, Jaguariúna, São Paulo State, Brazil
| | - Fernanda Sana Pertrini
- Department of Environmental Engineering, Institute of Science and Technology of Sorocaba (ICTS), São Paulo State University (Unesp), Avenida Três de Março, 511, 18087-180, Sorocaba, São Paulo State, Brazil
| | - Claudio Martín Jonsson
- Embrapa Environment, Rod SP 340, km 127.5, 13918-110, Jaguariúna, São Paulo State, Brazil
| | - Leonardo Fernandes Fraceto
- Department of Environmental Engineering, Institute of Science and Technology of Sorocaba (ICTS), São Paulo State University (Unesp), Avenida Três de Março, 511, 18087-180, Sorocaba, São Paulo State, Brazil
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Jonsson CM, de Queiroz SCDN. Concepts on Accumulation of Pesticides and Veterinary Drugs in Fish: A Review with Emphasis in Tilapia. Animals (Basel) 2023; 13:2748. [PMID: 37685012 PMCID: PMC10486662 DOI: 10.3390/ani13172748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/10/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
The quality of the aquatic environment can be compromised by the practice of intensive use of pesticides in agriculture and by the misuse of veterinary drugs. Therefore, organisms that live in aquatic ecosystems may be affected due to the presence of these chemicals, through runoff, leaching and other processes. Exposure of aquatic organisms to these xenobiotics could pose health risks. Consequently, there is a growing interest in predicting the bioaccumulation of these substances in aquatic biota from experiments conducted under laboratory conditions. Studies on fish have been performed due to its importance as human food and their wide distribution in most of the aquatic environment. Thus, this article reviews the concepts on determining the accumulation of pesticides and veterinary drugs in fish. The risk regarding the consumption of fish containing residues of these chemical agents, the acceptable daily intake, the testing protocols and the analytical techniques used to determine the residues of these substances in fish tissues are discussed. An emphasis on studies involving tilapia as the test organism was included because, according to Food and Agricultural Organization (FAO), this species is one of the most cultivated in the world.
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Affiliation(s)
- Claudio Martín Jonsson
- Laboratório de Aquicultura e Ecotoxicologia, Embrapa Meio Ambiente (Embrapa Environment), Rodovia SP-340, km 127.5, Tanquinho Velho, Jaguariúna 13918-110, SP, Brazil;
| | - Sonia Claudia do Nascimento de Queiroz
- Laboratório de Resíduos e Contaminantes, Embrapa Meio Ambiente (Embrapa Environment), Rodovia SP-340, km 127.5, Tanquinho Velho, Jaguariúna 13918-110, SP, Brazil
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Andreazza Costa MC, Miguel Castro Ferreira M, Teixeira RR, Martins de Souza AP, Ramos de Aguiar A, R da Silva D, Jonsson CM, Queiroz SCN. Synthesis, biological activity, and four-dimensional quantitative structure-activity analysis of 2-arylidene indan-1,3-dione derivatives tested against Daphnia magna. SAR QSAR Environ Res 2021; 32:133-150. [PMID: 33601998 DOI: 10.1080/1062936x.2020.1866070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 12/15/2020] [Indexed: 06/12/2023]
Abstract
A series of 18 2-arylidene indan-1,3-dione derivatives was synthesized and tested against Daphnia magna to assess the environmental toxicity of these compounds. Aiming to investigate the toxicity mechanism for this series of compounds, a four-dimensional quantitative structure-activity analysis (4D-QSAR) was performed through the partial least square regression (PLS). The best PLS model was built with two factors and the selected field descriptors, of Coulomb (C) and Lennard-Jones (L) nature, describing 77.43% of variance and presenting the following statistics: r 2 = 0.89; SEC = 0.30; Q 2 = 0.81; SEV = 0.36. According to the literature, the bioactivity of α,β-unsaturated ketones, a functionality present in the series of compounds under investigation, is related to the conjugated double bond with the carbonyl group. The presence of a positive Coulomb descriptor nearby the carbonyl moieties, obtained as a result of the regression model, indicates that these polar groups are also related to the toxicity on D. magna. From the PLS regression model, the toxicity EC50-48 h values increases with the positive Coulomb descriptor and diminishes with the negative Lennard-Jones descriptors. It could be concluded that the presence of small polar groups in the aromatic ring of the arylidene moiety tends to increase the toxicity, while bulkier apolar substituents lead to a decrease of the toxicity.
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Affiliation(s)
- M C Andreazza Costa
- Theoretical and Applied Chemometrics Laboratory (LQTA), Institute of Chemistry, University of Campinas-Unicamp , Campinas, Brazil
| | - M Miguel Castro Ferreira
- Theoretical and Applied Chemometrics Laboratory (LQTA), Institute of Chemistry, University of Campinas-Unicamp , Campinas, Brazil
| | - R R Teixeira
- Department of Chemistry, Universidade Federal de Viçosa , Viçosa, Brazil
| | | | - A Ramos de Aguiar
- Department of Chemistry, Universidade Federal de Viçosa , Viçosa, Brazil
| | - D R da Silva
- Department of Chemistry Engineering, ESAMC Campinas - Engenharia Química , Campinas, Brazil
| | - C M Jonsson
- Laboratory of Ecotoxicology and Biosafety, Embrapa Meio Ambiente , Jaguariúna, Brazil
| | - S C N Queiroz
- Laboratory of Ecotoxicology and Biosafety, Embrapa Meio Ambiente , Jaguariúna, Brazil
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Clemente Z, Castro VL, Feitosa LO, Lima R, Jonsson CM, Maia AHN, Fraceto LF. Biomarker Evaluation in Fish After Prolonged Exposure to Nano-TiO2: Influence of Illumination Conditions and Crystal Phase. J Nanosci Nanotechnol 2015; 15:5424-5433. [PMID: 26373153 DOI: 10.1166/jnn.2015.10021] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In this study, we evaluated the effects of prolonged exposure to two different nano-TiO2 crystal phases under different illumination conditions. Fish (Piaractus mesopotamicus) were exposed for 21 days to 100 mg/L of nano-TiO2 anatase and a mixture of anatase:rutile (80%:20%) under visible light and UV light (UVA and B, 22.47 J/cm2/h). The following oxidative stress biomarkers were mon- itored: concentrations of lipid hydroperoxide (LPO), carbonylated proteins (PCO), and specific activ- ities of superoxide dismutase (SOD), catalase (CAT) and glutathione S-transferase (GST). Other biomarkers as well as specific activities of acid phosphatase (AP), Na+, K(+)-ATPase and metalloth- ionein levels (MT) were also evaluated. Moreover, micronucleus and comet assays were performed to assess genotoxicity. Our results showed low toxicity of nano-TiO2 to fish and lack of titanium accumulation in muscle tissue. However, it was observed the occurrence of sublethal effects that were influenced by nano-TiO2 crystal phase and illumination condition. Pure anatase caused more oxidative damage without co-exposure to UV, while the mixture anatase:rutile caused more sub- lethal effects when exposure occurred under UV. These findings show that the specific activity of CAT, GST, PCO levels and comet assay are useful as biomarkers of prolonged exposure to nano- TiO2. Overall, our study substantiates the development and implementation of nanoecotoxicological protocols.
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Clemente Z, Castro VLSS, Moura MAM, Jonsson CM, Fraceto LF. Toxicity assessment of TiO₂ nanoparticles in zebrafish embryos under different exposure conditions. Aquat Toxicol 2014; 147:129-39. [PMID: 24418748 DOI: 10.1016/j.aquatox.2013.12.024] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Revised: 12/13/2013] [Accepted: 12/18/2013] [Indexed: 05/25/2023]
Abstract
The popularity of TiO2 nanoparticles (nano-TiO2) lies in their wide range of nanotechnological applications, together with low toxicity. Meanwhile, recent studies have shown that the photocatalytic properties of this material can result in alterations in their behavior in the environment, causing effects that have not yet been fully elucidated. The objective of this study was to evaluate the toxicity of two formulations of nano-TiO2 under different illumination conditions, using an experimental model coherent with the principle of the three Rs of alternative animal experimentation (reduction, refinement, and replacement). Embryos of the fish Danio rerio were exposed for 96h to different concentrations of nano-TiO2 in the form of anatase (TA) or an anatase/rutile mixture (TM), under either visible light or a combination of visible and ultraviolet light (UV). The acute toxicity and sublethal parameters evaluated included survival rates, malformation, hatching, equilibrium, and overall length of the larvae, together with biochemical biomarkers (specific activities of catalase (CAT), glutathione S-transferase (GST), and acid phosphatase (AP)). Both TA and TM caused accelerated hatching of the larvae. Under UV irradiation, there was greater mortality of the larvae of the groups exposed to TM, compared to those exposed to TA. Exposure to TM under UV irradiation altered the equilibrium of the larvae. Alterations in the activities of CAT and GST were indicative of oxidative stress, although no clear dose-response relationship was observed. The effects of nano-TiO2 appeared to depend on both the type of formulation and the illumination condition. The findings contribute to elucidation of the factors involved in the toxicity of these nanoparticles, as well as to the establishment of protocols for risk assessments of nanotechnology.
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Affiliation(s)
- Z Clemente
- Laboratório de Ecotoxicologia e Biossegurança, Embrapa CNPMA, Jaguariúna, SP, Brazil; Programa de Pós-graduação em Biologia Funcional e Molecular, UNICAMP, Campinas, SP, Brazil.
| | - V L S S Castro
- Laboratório de Ecotoxicologia e Biossegurança, Embrapa CNPMA, Jaguariúna, SP, Brazil
| | - M A M Moura
- Laboratório da Ciência das Plantas Daninhas, Instituto Biológico, APTA/SAA, Campinas, SP, Brazil
| | - C M Jonsson
- Laboratório de Ecotoxicologia e Biossegurança, Embrapa CNPMA, Jaguariúna, SP, Brazil
| | - L F Fraceto
- Programa de Pós-graduação em Biologia Funcional e Molecular, UNICAMP, Campinas, SP, Brazil; Departamento de Engenharia Ambiental, UNESP, Sorocaba, SP, Brazil
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Clemente Z, Castro VL, Feitosa LO, Lima R, Jonsson CM, Maia AHN, Fraceto LF. Fish exposure to nano-TiO2 under different experimental conditions: methodological aspects for nanoecotoxicology investigations. Sci Total Environ 2013; 463-464:647-656. [PMID: 23845857 DOI: 10.1016/j.scitotenv.2013.06.022] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2012] [Revised: 06/06/2013] [Accepted: 06/06/2013] [Indexed: 06/02/2023]
Abstract
The ecotoxicology of nano-TiO2 has been extensively studied in recent years; however, few toxicological investigations have considered the photocatalytic properties of the substance, which can increase its toxicity to aquatic biota. The aim of this work was to evaluate the effects on fish exposed to different nano-TiO2 concentrations and illumination conditions. The interaction of these variables was investigated by observing the survival of the organisms, together with biomarkers of biochemical and genetic alterations. Fish (Piaractus mesopotamicus) were exposed for 96 h to 0, 1, 10, and 100 mg/L of nano-TiO2, under visible light, and visible light with ultraviolet (UV) light (22.47 J/cm(2)/h). The following biomarkers of oxidative stress were monitored in the liver: concentrations of lipid hydroperoxide and carbonylated protein, and specific activities of superoxide dismutase, catalase, and glutathione S-transferase. Other biomarkers of physiological function were also studied: the specific activities of acid phosphatase and Na,K-ATPase were analyzed in the liver and brain, respectively, and the concentration of metallothionein was measured in the gills. In addition, micronucleus and comet assays were performed with blood as genotoxic biomarkers. Nano-TiO2 caused no mortality under any of the conditions tested, but induced sublethal effects that were influenced by illumination condition. Under both illumination conditions tested, exposure to 100 mg/L showed an inhibition of acid phosphatase activity. Under visible light, there was an increase in metallothionein level in fish exposed to 1 mg/L of nano-TiO2. Under UV light, protein carbonylation was reduced in groups exposed to 1 and 10 mg/L, while nucleus alterations in erythrocytes were higher in fish exposed to 10 mg/L. As well as improving the understanding of nano-TiO2 toxicity, the findings demonstrated the importance of considering the experimental conditions in nanoecotoxicological tests. This work provides information for the development of protocols to study substances whose toxicity is affected by illumination conditions.
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Affiliation(s)
- Z Clemente
- Department of Biochemistry, Institute of Biology, State University of Campinas, Rua Monteiro Lobato 255, CEP 13083-862 Campinas, SP, Brazil; Laboratory of Ecotoxicology and Biosafety, Embrapa, Rodovia SP 340, Km 127.5, CP 69, CEP 13820-000, Jaguariúna, SP, Brazil.
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Jonsson CM, Aoyama H. Alteração da atividade enzimática em organismos aquáticos por poluentes de origem agrícola: uma abordagem geral e sobre a suscetibilidade da fosfatase ácida. QUIM NOVA 2010. [DOI: 10.1590/s0100-40422010000400030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Jonsson CM, Paraiba LC, Aoyama H. Metals and linear alkylbenzene sulphonate as inhibitors of the algae Pseudokirchneriella subcapitata acid phosphatase activity. Ecotoxicology 2009; 18:610-619. [PMID: 19418219 DOI: 10.1007/s10646-009-0319-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2008] [Accepted: 04/13/2009] [Indexed: 05/27/2023]
Abstract
Sewage sludge applied to soils as a fertilizer often contains metals and linear alkylbenzene sulphonate (LAS) as contaminants. These pollutants can be transported to the aquatic environment where they can alter the phosphatase activity in living organisms. The acid phosphatase of algae plays important roles in metabolism such as decomposing organic phosphate into free phosphate and autophagic digestive processes. The order of in vitro inhibition of Pseudokirchneriella subcapitata acid phosphatase at the highest concentration tested was LAS > Hg2+ = Al3+ > Se4+ = Pb2+ > Cd2+. A non-competitive inhibition mechanism was obtained for Hg2+ (Ki = 0.040 mM) and a competitive inhibition for LAS (Ki = 0.007 mM). In vivo studies with treated algae cultures showed that the inhibition of specific activity was observed in algae exposed during 7 days, in contrast to short term (24 h) treatments with both these chemicals. Our results suggest that the inhibition parameters in vitro did not markedly differ between the two chemicals. On the other hand, in vivo evaluations showed strong differences between both pollutants regarding the concentration values and the degree of response.
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Jonsson CM, Aoyama H. In vitro effect of agriculture pollutants and their joint action on Pseudokirchneriella subcapitata acid phosphatase. Chemosphere 2007; 69:849-55. [PMID: 17673275 DOI: 10.1016/j.chemosphere.2007.06.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2006] [Revised: 05/09/2007] [Accepted: 06/12/2007] [Indexed: 05/16/2023]
Abstract
Acid phosphatase plays important roles in algae metabolism such as availability and recycling of inorganic phosphate, autophagic digestive processes and fertilization. Chemicals released into the environment from agriculture activities may impair algae phosphatase activity. The aim of this work was to evaluate the in vitro effect of twenty-four organic compounds and six metals used as pesticides, or present as contaminants in sewage sludge, on the acid phosphatase activity extracted from Pseudokirchneriella subcapitata. Results demonstrated that only the linear surfactant alkyl benzenesulphonate (LAS) and the heavy metals Hg(2+), Al(3+) and Cu(2+) markedly altered (50%) the enzyme activity. Join action inhibition studies indicated that Hg(2+) was more potent inhibitor than Al(3+) or LAS, and that the Hg(2+)+Al(3+) and Hg(2+)+LAS mixtures have, respectively, additive and slight antagonism effects. Copper, which demonstrated an activator effect when preincubated with the enzyme, behaved as a slight antagonist for the inhibitor effect of Hg(2+).
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Affiliation(s)
- Claudio Martín Jonsson
- Laboratório de Ecotoxicologia e Biossegurança, Embrapa Meio Ambiente, CP 69, CEP 13820-000, Jaguariúna, São Paulo, Brazil.
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Jonsson CM, Paraiba LC, Mendoza MT, Sabater C, Carrasco JM. Bioconcentration of the insecticide pyridaphenthion by the green algae Chlorella saccharophila. Chemosphere 2001; 43:321-325. [PMID: 11302577 DOI: 10.1016/s0045-6535(00)00145-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
A study was undertaken to examine the uptake of the organophosphate insecticide pyridaphenthion in the chlorophyta Chlorella saccharophila. Algae cultures were exposed to the initial nominal concentration 10.0 mg l(-1) pyridaphention during seven days. The insecticide bioconcentrates in the biomass to the highest level of 441.5 +/- 25.9 mg kg(-1) on the fifth day of exposure and was followed by a decrease to 76.6 +/- 5.1 mg kg(-1) on the seventh day. A model was constructed to describe the dynamic process, which estimated a bioconcentration factor (BCF) equal to 28. The study demonstrates the potential of accumulation of pyridaphenthion in aquatic organisms and helps to expand the pyridaphenthion toxicity database. The replacement of fenitrothion by pyridaphenthion concerning their use in rice flooded cultures is discussed.
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Affiliation(s)
- C M Jonsson
- Embrapa Meio Ambiente, CNPMA, Jaguariúna, São Paulo, Brazil.
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Jonsson CM, Toledo MC. Bioaccumulation and elimination of endosulfan in the fish yellow tetra (Hyphessobrycon bifasciatus). Bull Environ Contam Toxicol 1993; 50:572-577. [PMID: 8467144 DOI: 10.1007/bf00191248] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Affiliation(s)
- C M Jonsson
- Brazilian Agricultural Research Enterprise, National Center for Research in Defense of Agriculture, Jaguariúna, SP
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