Dinâmica de herbicidas em palha de cana-de-açúcar

Detalhes bibliográficos
Autor(a) principal: Araldi, Rosilaine
Data de Publicação: 2015
Outros Autores: Velini, Edivaldo Domingues [UNESP], Gomes, Giovanna Larissa Gimenes Cotrick [UNESP], Tropaldi, Leandro [UNESP], Silva, Ilca Puertas de Freitas e [UNESP], Carbonari, Caio Antonio [UNESP]
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1590/0103-8478cr20141244
http://hdl.handle.net/11449/177594
Resumo: The process of mechanical harvesting of sugarcane generates a large deposition of straw on the soil surface, providing a coverage that several studies have found important for reducing the weed population. Although such coverage reduces weed infestations, additional management, including chemical control, is still needed. Thus, this study aimed to evaluate the leaching of atrazine, pendimethalin, metribuzin, clomazone, diuron and hexazinone in sugarcane straw. The experiment was conducted at the School of Agronomic Engineering at UNESP (Universidade Estadual Paulista) - Botucatu/SP. The sugarcane straw was collected in the field, cut and placed in quantities of 10t ha-1 in the capsules used as experimental units. The experimental design was completely randomized, using six herbicide treatments and four replications. Within 24 hours after the herbicides were applied in capsules with straw, five different rainfalls (5, 10, 20, 50 and 100mm) were simulated. The leached water was collected for chromatographic analysis. The herbicide percentages that crossed the straw layer were statistically correlated with the rainfall amount by the Mitscherlich model that compares the facility of herbicide removal from sugarcane straw. In summary, pendimethalin did not present quantified transposition of the product by sugarcane straw even with a rain simulation of 100 mm. Furthermore, two different profiles of facility to transpose the herbicides in straw were found: one for metribuzin and hexazinone that crossed quickly through the straw layer and another for atrazine, diuron and clomazone that required more rainfall to be leached from coverage to the soil according to the maximum removable amount of each herbicide.
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spelling Dinâmica de herbicidas em palha de cana-de-açúcarPerformance of herbicides in sugarcane strawAtrazineClomazoneDiuronHexazinoneMetribuzinPendimethalinThe process of mechanical harvesting of sugarcane generates a large deposition of straw on the soil surface, providing a coverage that several studies have found important for reducing the weed population. Although such coverage reduces weed infestations, additional management, including chemical control, is still needed. Thus, this study aimed to evaluate the leaching of atrazine, pendimethalin, metribuzin, clomazone, diuron and hexazinone in sugarcane straw. The experiment was conducted at the School of Agronomic Engineering at UNESP (Universidade Estadual Paulista) - Botucatu/SP. The sugarcane straw was collected in the field, cut and placed in quantities of 10t ha-1 in the capsules used as experimental units. The experimental design was completely randomized, using six herbicide treatments and four replications. Within 24 hours after the herbicides were applied in capsules with straw, five different rainfalls (5, 10, 20, 50 and 100mm) were simulated. The leached water was collected for chromatographic analysis. The herbicide percentages that crossed the straw layer were statistically correlated with the rainfall amount by the Mitscherlich model that compares the facility of herbicide removal from sugarcane straw. In summary, pendimethalin did not present quantified transposition of the product by sugarcane straw even with a rain simulation of 100 mm. Furthermore, two different profiles of facility to transpose the herbicides in straw were found: one for metribuzin and hexazinone that crossed quickly through the straw layer and another for atrazine, diuron and clomazone that required more rainfall to be leached from coverage to the soil according to the maximum removable amount of each herbicide.Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE)Departamento de Produção e Melhoramento Vegetal Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP)Departamento de Produção e Melhoramento Vegetal Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP)Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE)Universidade Estadual Paulista (Unesp)Araldi, RosilaineVelini, Edivaldo Domingues [UNESP]Gomes, Giovanna Larissa Gimenes Cotrick [UNESP]Tropaldi, Leandro [UNESP]Silva, Ilca Puertas de Freitas e [UNESP]Carbonari, Caio Antonio [UNESP]2018-12-11T17:26:15Z2018-12-11T17:26:15Z2015-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article2106-2112application/pdfhttp://dx.doi.org/10.1590/0103-8478cr20141244Ciencia Rural, v. 45, n. 12, p. 2106-2112, 2015.1678-45960103-8478http://hdl.handle.net/11449/17759410.1590/0103-8478cr20141244S0103-847820150012021062-s2.0-84947061033S0103-84782015001202106.pdf060468312453558298554934481617020000-0003-1592-51480000-0003-0431-5942Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengCiencia Rural0,337info:eu-repo/semantics/openAccess2024-04-30T15:55:50Zoai:repositorio.unesp.br:11449/177594Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T16:13:26.473345Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Dinâmica de herbicidas em palha de cana-de-açúcar
Performance of herbicides in sugarcane straw
title Dinâmica de herbicidas em palha de cana-de-açúcar
spellingShingle Dinâmica de herbicidas em palha de cana-de-açúcar
Araldi, Rosilaine
Atrazine
Clomazone
Diuron
Hexazinone
Metribuzin
Pendimethalin
title_short Dinâmica de herbicidas em palha de cana-de-açúcar
title_full Dinâmica de herbicidas em palha de cana-de-açúcar
title_fullStr Dinâmica de herbicidas em palha de cana-de-açúcar
title_full_unstemmed Dinâmica de herbicidas em palha de cana-de-açúcar
title_sort Dinâmica de herbicidas em palha de cana-de-açúcar
author Araldi, Rosilaine
author_facet Araldi, Rosilaine
Velini, Edivaldo Domingues [UNESP]
Gomes, Giovanna Larissa Gimenes Cotrick [UNESP]
Tropaldi, Leandro [UNESP]
Silva, Ilca Puertas de Freitas e [UNESP]
Carbonari, Caio Antonio [UNESP]
author_role author
author2 Velini, Edivaldo Domingues [UNESP]
Gomes, Giovanna Larissa Gimenes Cotrick [UNESP]
Tropaldi, Leandro [UNESP]
Silva, Ilca Puertas de Freitas e [UNESP]
Carbonari, Caio Antonio [UNESP]
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE)
Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Araldi, Rosilaine
Velini, Edivaldo Domingues [UNESP]
Gomes, Giovanna Larissa Gimenes Cotrick [UNESP]
Tropaldi, Leandro [UNESP]
Silva, Ilca Puertas de Freitas e [UNESP]
Carbonari, Caio Antonio [UNESP]
dc.subject.por.fl_str_mv Atrazine
Clomazone
Diuron
Hexazinone
Metribuzin
Pendimethalin
topic Atrazine
Clomazone
Diuron
Hexazinone
Metribuzin
Pendimethalin
description The process of mechanical harvesting of sugarcane generates a large deposition of straw on the soil surface, providing a coverage that several studies have found important for reducing the weed population. Although such coverage reduces weed infestations, additional management, including chemical control, is still needed. Thus, this study aimed to evaluate the leaching of atrazine, pendimethalin, metribuzin, clomazone, diuron and hexazinone in sugarcane straw. The experiment was conducted at the School of Agronomic Engineering at UNESP (Universidade Estadual Paulista) - Botucatu/SP. The sugarcane straw was collected in the field, cut and placed in quantities of 10t ha-1 in the capsules used as experimental units. The experimental design was completely randomized, using six herbicide treatments and four replications. Within 24 hours after the herbicides were applied in capsules with straw, five different rainfalls (5, 10, 20, 50 and 100mm) were simulated. The leached water was collected for chromatographic analysis. The herbicide percentages that crossed the straw layer were statistically correlated with the rainfall amount by the Mitscherlich model that compares the facility of herbicide removal from sugarcane straw. In summary, pendimethalin did not present quantified transposition of the product by sugarcane straw even with a rain simulation of 100 mm. Furthermore, two different profiles of facility to transpose the herbicides in straw were found: one for metribuzin and hexazinone that crossed quickly through the straw layer and another for atrazine, diuron and clomazone that required more rainfall to be leached from coverage to the soil according to the maximum removable amount of each herbicide.
publishDate 2015
dc.date.none.fl_str_mv 2015-01-01
2018-12-11T17:26:15Z
2018-12-11T17:26:15Z
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/10.1590/0103-8478cr20141244
Ciencia Rural, v. 45, n. 12, p. 2106-2112, 2015.
1678-4596
0103-8478
http://hdl.handle.net/11449/177594
10.1590/0103-8478cr20141244
S0103-84782015001202106
2-s2.0-84947061033
S0103-84782015001202106.pdf
0604683124535582
9855493448161702
0000-0003-1592-5148
0000-0003-0431-5942
url http://dx.doi.org/10.1590/0103-8478cr20141244
http://hdl.handle.net/11449/177594
identifier_str_mv Ciencia Rural, v. 45, n. 12, p. 2106-2112, 2015.
1678-4596
0103-8478
10.1590/0103-8478cr20141244
S0103-84782015001202106
2-s2.0-84947061033
S0103-84782015001202106.pdf
0604683124535582
9855493448161702
0000-0003-1592-5148
0000-0003-0431-5942
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Ciencia Rural
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dc.format.none.fl_str_mv 2106-2112
application/pdf
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
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repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
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