Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganisms

Detalhes bibliográficos
Autor(a) principal: Takeshita, Vanessa
Data de Publicação: 2022
Outros Autores: Carvalho, Lucas Bragança [UNESP], Galhardi, Juliana Aparecida [UNESP], Munhoz-Garcia, Gustavo Vinícios, Pimpinato, Rodrigo Floriano, Oliveira, Halley Caixeta, Tornisielo, Valdemar Luiz, Fraceto, Leonardo Fernandes [UNESP]
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1021/acsnanoscienceau.1c00055
http://hdl.handle.net/11449/242253
Resumo: Nanoparticles based on biodegradable polymers have been shown to be excellent herbicide carriers, improving weed control and protecting the active ingredient in the crop fields. Metribuzin is often found in natural waters, which raises environmental concerns. Nanoencapsulation of this herbicide could be an alternative to reduce its losses to the environment and improve gains in its efficiency. However, there is a paucity of information about the behavior of nanoformulations of herbicides in environmental matrices. In this study, the stability of nanoencapsulated metribuzin in polymeric nanoparticles (nanoMTZ) was verified over time, as well as its dissipation in different soils, followed by the effects on soil enzymatic activity. The physiological parameters and control effects of nanoMTZ on Ipomoea grandifolia plants were investigated. No differences were verified in the half-life of nanoencapsulated metribuzin compared to a commercial formulation of the herbicide. Moreover, no suppressive effects on soil enzymatic activities were observed. The retention of nanoMTZ in the tested soils was lower compared to its commercial analogue. However, the mobility of nanoencapsulated metribuzin was not greatly increased, reflecting a low risk of groundwater contamination. Weed control was effective even at the lowest dose of nanoMTZ (48 g a.i. ha-1), which was consistent with the higher efficiency of nanoMTZ compared to the conventional herbicide in inhibiting PSII activity and decreasing pigment levels. Overall, we verified that nanoMTZ presented a low environmental risk, with increased weed control.
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spelling Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganismsbiodegradationchemical controlleachingnanopesticidesoil enzyme activitysorption-desorptionNanoparticles based on biodegradable polymers have been shown to be excellent herbicide carriers, improving weed control and protecting the active ingredient in the crop fields. Metribuzin is often found in natural waters, which raises environmental concerns. Nanoencapsulation of this herbicide could be an alternative to reduce its losses to the environment and improve gains in its efficiency. However, there is a paucity of information about the behavior of nanoformulations of herbicides in environmental matrices. In this study, the stability of nanoencapsulated metribuzin in polymeric nanoparticles (nanoMTZ) was verified over time, as well as its dissipation in different soils, followed by the effects on soil enzymatic activity. The physiological parameters and control effects of nanoMTZ on Ipomoea grandifolia plants were investigated. No differences were verified in the half-life of nanoencapsulated metribuzin compared to a commercial formulation of the herbicide. Moreover, no suppressive effects on soil enzymatic activities were observed. The retention of nanoMTZ in the tested soils was lower compared to its commercial analogue. However, the mobility of nanoencapsulated metribuzin was not greatly increased, reflecting a low risk of groundwater contamination. Weed control was effective even at the lowest dose of nanoMTZ (48 g a.i. ha-1), which was consistent with the higher efficiency of nanoMTZ compared to the conventional herbicide in inhibiting PSII activity and decreasing pigment levels. Overall, we verified that nanoMTZ presented a low environmental risk, with increased weed control.Center of Nuclear Energy in Agriculture University of São Paulo, Av. Centenário 303 SPInstitute of Science and Technology São Paulo State University (UNESP), Av. Três de Março 511, SPDepartment of Animal and Plant Biology State University of Londrina, PR 445, km 380, PRInstitute of Science and Technology São Paulo State University (UNESP), Av. Três de Março 511, SPUniversidade de São Paulo (USP)Universidade Estadual Paulista (UNESP)Universidade Estadual de Londrina (UEL)Takeshita, VanessaCarvalho, Lucas Bragança [UNESP]Galhardi, Juliana Aparecida [UNESP]Munhoz-Garcia, Gustavo ViníciosPimpinato, Rodrigo FlorianoOliveira, Halley CaixetaTornisielo, Valdemar LuizFraceto, Leonardo Fernandes [UNESP]2023-03-02T12:25:51Z2023-03-02T12:25:51Z2022-08-17info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article307-323http://dx.doi.org/10.1021/acsnanoscienceau.1c00055ACS Nanoscience Au, v. 2, n. 4, p. 307-323, 2022.2694-2496http://hdl.handle.net/11449/24225310.1021/acsnanoscienceau.1c000552-s2.0-85137382793Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengACS Nanoscience Auinfo:eu-repo/semantics/openAccess2023-03-02T12:25:52Zoai:repositorio.unesp.br:11449/242253Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-06T00:07:33.154212Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganisms
title Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganisms
spellingShingle Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganisms
Takeshita, Vanessa
biodegradation
chemical control
leaching
nanopesticide
soil enzyme activity
sorption-desorption
title_short Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganisms
title_full Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganisms
title_fullStr Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganisms
title_full_unstemmed Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganisms
title_sort Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganisms
author Takeshita, Vanessa
author_facet Takeshita, Vanessa
Carvalho, Lucas Bragança [UNESP]
Galhardi, Juliana Aparecida [UNESP]
Munhoz-Garcia, Gustavo Vinícios
Pimpinato, Rodrigo Floriano
Oliveira, Halley Caixeta
Tornisielo, Valdemar Luiz
Fraceto, Leonardo Fernandes [UNESP]
author_role author
author2 Carvalho, Lucas Bragança [UNESP]
Galhardi, Juliana Aparecida [UNESP]
Munhoz-Garcia, Gustavo Vinícios
Pimpinato, Rodrigo Floriano
Oliveira, Halley Caixeta
Tornisielo, Valdemar Luiz
Fraceto, Leonardo Fernandes [UNESP]
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade de São Paulo (USP)
Universidade Estadual Paulista (UNESP)
Universidade Estadual de Londrina (UEL)
dc.contributor.author.fl_str_mv Takeshita, Vanessa
Carvalho, Lucas Bragança [UNESP]
Galhardi, Juliana Aparecida [UNESP]
Munhoz-Garcia, Gustavo Vinícios
Pimpinato, Rodrigo Floriano
Oliveira, Halley Caixeta
Tornisielo, Valdemar Luiz
Fraceto, Leonardo Fernandes [UNESP]
dc.subject.por.fl_str_mv biodegradation
chemical control
leaching
nanopesticide
soil enzyme activity
sorption-desorption
topic biodegradation
chemical control
leaching
nanopesticide
soil enzyme activity
sorption-desorption
description Nanoparticles based on biodegradable polymers have been shown to be excellent herbicide carriers, improving weed control and protecting the active ingredient in the crop fields. Metribuzin is often found in natural waters, which raises environmental concerns. Nanoencapsulation of this herbicide could be an alternative to reduce its losses to the environment and improve gains in its efficiency. However, there is a paucity of information about the behavior of nanoformulations of herbicides in environmental matrices. In this study, the stability of nanoencapsulated metribuzin in polymeric nanoparticles (nanoMTZ) was verified over time, as well as its dissipation in different soils, followed by the effects on soil enzymatic activity. The physiological parameters and control effects of nanoMTZ on Ipomoea grandifolia plants were investigated. No differences were verified in the half-life of nanoencapsulated metribuzin compared to a commercial formulation of the herbicide. Moreover, no suppressive effects on soil enzymatic activities were observed. The retention of nanoMTZ in the tested soils was lower compared to its commercial analogue. However, the mobility of nanoencapsulated metribuzin was not greatly increased, reflecting a low risk of groundwater contamination. Weed control was effective even at the lowest dose of nanoMTZ (48 g a.i. ha-1), which was consistent with the higher efficiency of nanoMTZ compared to the conventional herbicide in inhibiting PSII activity and decreasing pigment levels. Overall, we verified that nanoMTZ presented a low environmental risk, with increased weed control.
publishDate 2022
dc.date.none.fl_str_mv 2022-08-17
2023-03-02T12:25:51Z
2023-03-02T12:25:51Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1021/acsnanoscienceau.1c00055
ACS Nanoscience Au, v. 2, n. 4, p. 307-323, 2022.
2694-2496
http://hdl.handle.net/11449/242253
10.1021/acsnanoscienceau.1c00055
2-s2.0-85137382793
url http://dx.doi.org/10.1021/acsnanoscienceau.1c00055
http://hdl.handle.net/11449/242253
identifier_str_mv ACS Nanoscience Au, v. 2, n. 4, p. 307-323, 2022.
2694-2496
10.1021/acsnanoscienceau.1c00055
2-s2.0-85137382793
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv ACS Nanoscience Au
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 307-323
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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