Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Bioscience journal (Online) |
Texto Completo: | https://seer.ufu.br/index.php/biosciencejournal/article/view/33818 |
Resumo: | The study aimed to evaluate the control of C. bonariensis in delayed post-emergence stage using different spray nozzles and solutions with and without adjuvants; and to verify the occurrence of resistance to glyphosate, determining the dose-response curve. The experimental design was randomized in factorial (6 spray nozzles x 5 spray solution) in twenty repetitions. The treatments were represented by spray nozzles: XR 110015 XR 11002, TT 11002 AIXR 11002, AIC 11002 and AI 11002. Tested spray solution were: glyphosate; glyphosate + Nimbus®; glyphosate + Agral®; Glyphosate + LI-700® and without herbicide application. The use or not of adjuvants in the spray solution did not differ statistically from the solution containing the herbicide only. The spray nozzles AIXR 11002, TT 11002 and XR 11002 presented best results of control the horseweed from the evaluation of 07 days after application (DAP) and 28 DAP and such spray nozzles maintained the best average of control percentage. The higher dry matter reductions of horseweed were obtained by spray nozzles 110015 XR, TT 11002 and 11002 XR compared with the control. The population evaluated presents biotypes that resist to doses of 2.880 g.ha-1 a.e. of glyphosate. It is concluded that the evaluated biotypes presents tolerance to glyphosate, independent of your association or not with adjuvants. |
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Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles Controle de Conyza bonariensis com glyphosate associado a adjuvantes aplicados com diferentes pontas de pulverização HorseweedGlyphosateResistanceSurfactanteSpray Systems.Agricultural SciencesThe study aimed to evaluate the control of C. bonariensis in delayed post-emergence stage using different spray nozzles and solutions with and without adjuvants; and to verify the occurrence of resistance to glyphosate, determining the dose-response curve. The experimental design was randomized in factorial (6 spray nozzles x 5 spray solution) in twenty repetitions. The treatments were represented by spray nozzles: XR 110015 XR 11002, TT 11002 AIXR 11002, AIC 11002 and AI 11002. Tested spray solution were: glyphosate; glyphosate + Nimbus®; glyphosate + Agral®; Glyphosate + LI-700® and without herbicide application. The use or not of adjuvants in the spray solution did not differ statistically from the solution containing the herbicide only. The spray nozzles AIXR 11002, TT 11002 and XR 11002 presented best results of control the horseweed from the evaluation of 07 days after application (DAP) and 28 DAP and such spray nozzles maintained the best average of control percentage. The higher dry matter reductions of horseweed were obtained by spray nozzles 110015 XR, TT 11002 and 11002 XR compared with the control. The population evaluated presents biotypes that resist to doses of 2.880 g.ha-1 a.e. of glyphosate. It is concluded that the evaluated biotypes presents tolerance to glyphosate, independent of your association or not with adjuvants.O estudo teve como objetivo avaliar o controle de Conyza bonariensis no estádio pós-emergência tardia, empregando diferentes pontas e caldas com e sem adjuvantes; e verificar a ocorrência de resistência ao glyphosate, determinando a curva dose resposta. O delineamento experimental utilizado foi o inteiramente casualizado em esquema fatorial (6 pontas de pulverização x 5 caldas de pulverização) em vinte repetições. Os tratamentos foram representados pelas pontas de pulverização: XR 110015, XR 11002, TT 11002, AIXR 11002, AIC 11002 e AI 11002. As caldas testadas foram: glyphosate; glyphosate + Nimbus®; glyphosate + Agral®; glyphosate + LI-700® e sem aplicação do herbicida. O uso ou não de adjuvantes na calda não diferiram estatisticamente da calda contendo somente o herbicida. As pontas AIXR 11002, TT 11002 e XR 11002 apresentaram melhores resultados de controle da buva a partir de 07 dias após a aplicação (DAP) e aos 28 DAP e tais pontas mantiveram as melhores médias de porcentagem de controle nas demais avaliações. As maiores reduções de massa seca de buva foram obtidas pelas pontas XR 110015, TT 11002 e XR 11002 quando comparada com a testemunha. A população avaliada apresenta biótipos que resistem a doses de 2.880 g.ha-1 de e.a. do glyphosate. Conclui-se que os biótipos avaliados apresentam tolerância ao glyphosate, independente de sua associação ou não com os adjuvantes.EDUFU2017-03-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.ufu.br/index.php/biosciencejournal/article/view/3381810.14393/BJ-v33n2-33818Bioscience Journal ; Vol. 33 No. 2 (2017): Mar./Apr.; 297-305Bioscience Journal ; v. 33 n. 2 (2017): Mar./Apr.; 297-3051981-3163reponame:Bioscience journal (Online)instname:Universidade Federal de Uberlândia (UFU)instacron:UFUenghttps://seer.ufu.br/index.php/biosciencejournal/article/view/33818/19994Brazil; ContemporaryCopyright (c) 2017 Tiago Lima do Espírito Santo, Cristiane Gonçalves de Mendonça, Felipe André Sganzerla Graichen, Carlos Gilberto Raetano, Paulo Eduardo Teodorohttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessSanto, Tiago Lima do EspíritoMendonça, Cristiane Gonçalves deGraichen, Felipe André SganzerlaRaetano, Carlos GilbertoTeodoro, Paulo Eduardo2022-06-23T12:34:56Zoai:ojs.www.seer.ufu.br:article/33818Revistahttps://seer.ufu.br/index.php/biosciencejournalPUBhttps://seer.ufu.br/index.php/biosciencejournal/oaibiosciencej@ufu.br||1981-31631516-3725opendoar:2022-06-23T12:34:56Bioscience journal (Online) - Universidade Federal de Uberlândia (UFU)false |
dc.title.none.fl_str_mv |
Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles Controle de Conyza bonariensis com glyphosate associado a adjuvantes aplicados com diferentes pontas de pulverização |
title |
Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles |
spellingShingle |
Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles Santo, Tiago Lima do Espírito Horseweed Glyphosate Resistance Surfactante Spray Systems. Agricultural Sciences |
title_short |
Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles |
title_full |
Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles |
title_fullStr |
Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles |
title_full_unstemmed |
Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles |
title_sort |
Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles |
author |
Santo, Tiago Lima do Espírito |
author_facet |
Santo, Tiago Lima do Espírito Mendonça, Cristiane Gonçalves de Graichen, Felipe André Sganzerla Raetano, Carlos Gilberto Teodoro, Paulo Eduardo |
author_role |
author |
author2 |
Mendonça, Cristiane Gonçalves de Graichen, Felipe André Sganzerla Raetano, Carlos Gilberto Teodoro, Paulo Eduardo |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Santo, Tiago Lima do Espírito Mendonça, Cristiane Gonçalves de Graichen, Felipe André Sganzerla Raetano, Carlos Gilberto Teodoro, Paulo Eduardo |
dc.subject.por.fl_str_mv |
Horseweed Glyphosate Resistance Surfactante Spray Systems. Agricultural Sciences |
topic |
Horseweed Glyphosate Resistance Surfactante Spray Systems. Agricultural Sciences |
description |
The study aimed to evaluate the control of C. bonariensis in delayed post-emergence stage using different spray nozzles and solutions with and without adjuvants; and to verify the occurrence of resistance to glyphosate, determining the dose-response curve. The experimental design was randomized in factorial (6 spray nozzles x 5 spray solution) in twenty repetitions. The treatments were represented by spray nozzles: XR 110015 XR 11002, TT 11002 AIXR 11002, AIC 11002 and AI 11002. Tested spray solution were: glyphosate; glyphosate + Nimbus®; glyphosate + Agral®; Glyphosate + LI-700® and without herbicide application. The use or not of adjuvants in the spray solution did not differ statistically from the solution containing the herbicide only. The spray nozzles AIXR 11002, TT 11002 and XR 11002 presented best results of control the horseweed from the evaluation of 07 days after application (DAP) and 28 DAP and such spray nozzles maintained the best average of control percentage. The higher dry matter reductions of horseweed were obtained by spray nozzles 110015 XR, TT 11002 and 11002 XR compared with the control. The population evaluated presents biotypes that resist to doses of 2.880 g.ha-1 a.e. of glyphosate. It is concluded that the evaluated biotypes presents tolerance to glyphosate, independent of your association or not with adjuvants. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-03-30 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://seer.ufu.br/index.php/biosciencejournal/article/view/33818 10.14393/BJ-v33n2-33818 |
url |
https://seer.ufu.br/index.php/biosciencejournal/article/view/33818 |
identifier_str_mv |
10.14393/BJ-v33n2-33818 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://seer.ufu.br/index.php/biosciencejournal/article/view/33818/19994 |
dc.rights.driver.fl_str_mv |
https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.coverage.none.fl_str_mv |
Brazil; Contemporary |
dc.publisher.none.fl_str_mv |
EDUFU |
publisher.none.fl_str_mv |
EDUFU |
dc.source.none.fl_str_mv |
Bioscience Journal ; Vol. 33 No. 2 (2017): Mar./Apr.; 297-305 Bioscience Journal ; v. 33 n. 2 (2017): Mar./Apr.; 297-305 1981-3163 reponame:Bioscience journal (Online) instname:Universidade Federal de Uberlândia (UFU) instacron:UFU |
instname_str |
Universidade Federal de Uberlândia (UFU) |
instacron_str |
UFU |
institution |
UFU |
reponame_str |
Bioscience journal (Online) |
collection |
Bioscience journal (Online) |
repository.name.fl_str_mv |
Bioscience journal (Online) - Universidade Federal de Uberlândia (UFU) |
repository.mail.fl_str_mv |
biosciencej@ufu.br|| |
_version_ |
1797069076944650240 |