Eficácia do diquat isolado e em mistura com fontes de cobre no controle da macrófita submersa Hydrilla verticillata e da microalga Ankistrodesmus gracilis
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/S0100-83582017350100018 http://hdl.handle.net/11449/178789 |
Resumo: | The goal of this study was to evaluate the effectiveness of diquat, both isolated and associated with copper sources (oxychloride and hydroxide) in controling the H. Verticillata submerged macrophyte and the A. Gracilis microalgae. For this purpose, 10.0 cm H. Verticillata young branches and 300 mL of A. Gracilis culture were used. The experiments were performed in laboratory and the tested diquat concentrations were: 0.1; 0.2; 0.4; 0.8; 1.2; and 1.8 mg L-1, either isolated or added with 1.0% copper oxychlorideand hydroxide, as well as a control sample. On day 3, 7, 11, 21 and 30 after application, phytotoxicity signs were evaluated and on day 60 after application, green and dry biomass production and plant length were measured. To obtain dry mass, plants remained in a greenhouse with forced air circulation at 65.0oC, until constant weight. On day 1, 7, 15, 21, 30, 45 and 60 after application, the concentration of chlorophyll a in the water was assessed. The herbicide diquat used alone or in combination with sources copper oxychloride and hydroxide was effective in the control of H. Verticillata and microalgae A. gracilis. |
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Eficácia do diquat isolado e em mistura com fontes de cobre no controle da macrófita submersa Hydrilla verticillata e da microalga Ankistrodesmus gracilisEffectiveness of diquat, both isolated and associated with copper sources in controlling the hydrilla verticillata submerged macrophytes and ankistrodesmus gracilis microphyteChemical controlChlorophyll aEutrophicationPhytotoxicityWater plantThe goal of this study was to evaluate the effectiveness of diquat, both isolated and associated with copper sources (oxychloride and hydroxide) in controling the H. Verticillata submerged macrophyte and the A. Gracilis microalgae. For this purpose, 10.0 cm H. Verticillata young branches and 300 mL of A. Gracilis culture were used. The experiments were performed in laboratory and the tested diquat concentrations were: 0.1; 0.2; 0.4; 0.8; 1.2; and 1.8 mg L-1, either isolated or added with 1.0% copper oxychlorideand hydroxide, as well as a control sample. On day 3, 7, 11, 21 and 30 after application, phytotoxicity signs were evaluated and on day 60 after application, green and dry biomass production and plant length were measured. To obtain dry mass, plants remained in a greenhouse with forced air circulation at 65.0oC, until constant weight. On day 1, 7, 15, 21, 30, 45 and 60 after application, the concentration of chlorophyll a in the water was assessed. The herbicide diquat used alone or in combination with sources copper oxychloride and hydroxide was effective in the control of H. Verticillata and microalgae A. gracilis.Faculdade de Ciências Agrárias e Veterinárias da UnespCentro Universitário da Fundação Educacional de Barretos UNIFEBFaculdade de Ciências Agrárias e Veterinárias da UnespUniversidade Estadual Paulista (Unesp)UNIFEBMalaspina, I. C. [UNESP]Cruz, C.Garlich, N. [UNESP]Bianco, S. [UNESP]Pitelli, R. A. [UNESP]2018-12-11T17:32:05Z2018-12-11T17:32:05Z2017-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://dx.doi.org/10.1590/S0100-83582017350100018Planta Daninha, v. 35.0100-8358http://hdl.handle.net/11449/17878910.1590/S0100-83582017350100018S0100-835820170001002122-s2.0-85017237913S0100-83582017000100212.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPlanta Daninha0,365info:eu-repo/semantics/openAccess2024-06-06T13:03:57Zoai:repositorio.unesp.br:11449/178789Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T13:49:31.961497Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Eficácia do diquat isolado e em mistura com fontes de cobre no controle da macrófita submersa Hydrilla verticillata e da microalga Ankistrodesmus gracilis Effectiveness of diquat, both isolated and associated with copper sources in controlling the hydrilla verticillata submerged macrophytes and ankistrodesmus gracilis microphyte |
title |
Eficácia do diquat isolado e em mistura com fontes de cobre no controle da macrófita submersa Hydrilla verticillata e da microalga Ankistrodesmus gracilis |
spellingShingle |
Eficácia do diquat isolado e em mistura com fontes de cobre no controle da macrófita submersa Hydrilla verticillata e da microalga Ankistrodesmus gracilis Malaspina, I. C. [UNESP] Chemical control Chlorophyll a Eutrophication Phytotoxicity Water plant |
title_short |
Eficácia do diquat isolado e em mistura com fontes de cobre no controle da macrófita submersa Hydrilla verticillata e da microalga Ankistrodesmus gracilis |
title_full |
Eficácia do diquat isolado e em mistura com fontes de cobre no controle da macrófita submersa Hydrilla verticillata e da microalga Ankistrodesmus gracilis |
title_fullStr |
Eficácia do diquat isolado e em mistura com fontes de cobre no controle da macrófita submersa Hydrilla verticillata e da microalga Ankistrodesmus gracilis |
title_full_unstemmed |
Eficácia do diquat isolado e em mistura com fontes de cobre no controle da macrófita submersa Hydrilla verticillata e da microalga Ankistrodesmus gracilis |
title_sort |
Eficácia do diquat isolado e em mistura com fontes de cobre no controle da macrófita submersa Hydrilla verticillata e da microalga Ankistrodesmus gracilis |
author |
Malaspina, I. C. [UNESP] |
author_facet |
Malaspina, I. C. [UNESP] Cruz, C. Garlich, N. [UNESP] Bianco, S. [UNESP] Pitelli, R. A. [UNESP] |
author_role |
author |
author2 |
Cruz, C. Garlich, N. [UNESP] Bianco, S. [UNESP] Pitelli, R. A. [UNESP] |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) UNIFEB |
dc.contributor.author.fl_str_mv |
Malaspina, I. C. [UNESP] Cruz, C. Garlich, N. [UNESP] Bianco, S. [UNESP] Pitelli, R. A. [UNESP] |
dc.subject.por.fl_str_mv |
Chemical control Chlorophyll a Eutrophication Phytotoxicity Water plant |
topic |
Chemical control Chlorophyll a Eutrophication Phytotoxicity Water plant |
description |
The goal of this study was to evaluate the effectiveness of diquat, both isolated and associated with copper sources (oxychloride and hydroxide) in controling the H. Verticillata submerged macrophyte and the A. Gracilis microalgae. For this purpose, 10.0 cm H. Verticillata young branches and 300 mL of A. Gracilis culture were used. The experiments were performed in laboratory and the tested diquat concentrations were: 0.1; 0.2; 0.4; 0.8; 1.2; and 1.8 mg L-1, either isolated or added with 1.0% copper oxychlorideand hydroxide, as well as a control sample. On day 3, 7, 11, 21 and 30 after application, phytotoxicity signs were evaluated and on day 60 after application, green and dry biomass production and plant length were measured. To obtain dry mass, plants remained in a greenhouse with forced air circulation at 65.0oC, until constant weight. On day 1, 7, 15, 21, 30, 45 and 60 after application, the concentration of chlorophyll a in the water was assessed. The herbicide diquat used alone or in combination with sources copper oxychloride and hydroxide was effective in the control of H. Verticillata and microalgae A. gracilis. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-01-01 2018-12-11T17:32:05Z 2018-12-11T17:32:05Z |
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/S0100-83582017350100018 Planta Daninha, v. 35. 0100-8358 http://hdl.handle.net/11449/178789 10.1590/S0100-83582017350100018 S0100-83582017000100212 2-s2.0-85017237913 S0100-83582017000100212.pdf |
url |
http://dx.doi.org/10.1590/S0100-83582017350100018 http://hdl.handle.net/11449/178789 |
identifier_str_mv |
Planta Daninha, v. 35. 0100-8358 10.1590/S0100-83582017350100018 S0100-83582017000100212 2-s2.0-85017237913 S0100-83582017000100212.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Planta Daninha 0,365 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
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 |
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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1808128280494080000 |