Interference and phytosociological study of weed communities on transplanted beets - DOI: 10.4025/actasciagron.v30i3.3508

Detalhes bibliográficos
Autor(a) principal: Carvalho, Leonardo Bianco de
Data de Publicação: 2008
Outros Autores: Pitelli, Robinson Antonio, Cecílio Filho, Arthur Bernardes, Bianco, Silvano, Guzzo, Caio Dória
Tipo de documento: Artigo
Idioma: por
Título da fonte: Acta Scientiarum. Agronomy (Online)
Texto Completo: http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/3508
Resumo: The objective of this research was to study the phytosociological and critical interference periods of weed communities on transplanted beets. The treatments consisted of increasing weekly weedy/weed-free periods, starting at the second week after seedling transplanting. The weed community was evaluated based on the number of individuals and their corresponding accumulated dry mass, for each weed population and evaluated period. The beets were harvested 91 days after transplanting, followed by evaluation of the cross-sectional diameter and marketable yield. The weed communities were composed mainly of Amaranthus viridis, Coronopus didymus, Galinsoga parviflora, Nicandra physaloides and Solanum americanum, and the populations were very similar. The period before weed interference and the total period of weed interference prevention were 51 and 35 days after transplanting, respectively. The beet yield in the weed-free treatment was 44.92 t ha-1 and the reduction from weed interference was more than 70%.
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spelling Interference and phytosociological study of weed communities on transplanted beets - DOI: 10.4025/actasciagron.v30i3.3508Interferência e estudo fitossociológico da comunidade infestante na cultura da beterraba transplantada - DOI: 10.4025/actasciagron.v30i3.3508Beta vulgaris L.critical interference periodsweedsBeta vulgaris L.períodos críticos de interferênciaplantas daninhas5.01.02.00-1 FitossanidadeThe objective of this research was to study the phytosociological and critical interference periods of weed communities on transplanted beets. The treatments consisted of increasing weekly weedy/weed-free periods, starting at the second week after seedling transplanting. The weed community was evaluated based on the number of individuals and their corresponding accumulated dry mass, for each weed population and evaluated period. The beets were harvested 91 days after transplanting, followed by evaluation of the cross-sectional diameter and marketable yield. The weed communities were composed mainly of Amaranthus viridis, Coronopus didymus, Galinsoga parviflora, Nicandra physaloides and Solanum americanum, and the populations were very similar. The period before weed interference and the total period of weed interference prevention were 51 and 35 days after transplanting, respectively. The beet yield in the weed-free treatment was 44.92 t ha-1 and the reduction from weed interference was more than 70%.O trabalho teve como objetivo o estudo fitossociológico e a determinação dos períodos críticos de interferência da comunidade infestante na cultura da beterraba transplantada. Os tratamentos consistiram em períodos semanais crescentes de convivência e de controle da comunidade infestante, a partir da segunda semana após o transplante das mudas. A comunidade infestante foi avaliada por meio do número de indivíduos e da massa seca acumulada correspondente, para cada população de planta daninha e período avaliado. A cultura foi colhida 91 dias após o transplante das mudas, quando se avaliou o diâmetro transversal e a produtividade comercial das raízes. As principais plantas daninhas encontradas foram Amaranthus viridis, Coronopus didymus, Galinsoga parviflora, Nicandra physaloides e Solanum americanum. As populações encontradas apresentaram alta similaridade entre si. O período anterior à interferência e o período total de prevenção à interferência foram 51 e 35 dias após o transplante das mudas, respectivamente. A produção da beterraba mantida no limpo foi 44,92 t ha-1, e a redução devido à interferência das plantas daninhas por todo o ciclo foi mais de 70%.Universidade Estadual de Maringá2008-05-27info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/350810.4025/actasciagron.v30i3.3508Acta Scientiarum. Agronomy; Vol 30 No 3 (2008); 325-331Acta Scientiarum. Agronomy; v. 30 n. 3 (2008); 325-3311807-86211679-9275reponame:Acta Scientiarum. Agronomy (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/3508/2480Carvalho, Leonardo Bianco dePitelli, Robinson AntonioCecílio Filho, Arthur BernardesBianco, SilvanoGuzzo, Caio Dóriainfo:eu-repo/semantics/openAccess2022-11-23T18:37:58Zoai:periodicos.uem.br/ojs:article/3508Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgronPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/oaiactaagron@uem.br||actaagron@uem.br|| edamasio@uem.br1807-86211679-9275opendoar:2022-11-23T18:37:58Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM)false
dc.title.none.fl_str_mv Interference and phytosociological study of weed communities on transplanted beets - DOI: 10.4025/actasciagron.v30i3.3508
Interferência e estudo fitossociológico da comunidade infestante na cultura da beterraba transplantada - DOI: 10.4025/actasciagron.v30i3.3508
title Interference and phytosociological study of weed communities on transplanted beets - DOI: 10.4025/actasciagron.v30i3.3508
spellingShingle Interference and phytosociological study of weed communities on transplanted beets - DOI: 10.4025/actasciagron.v30i3.3508
Carvalho, Leonardo Bianco de
Beta vulgaris L.
critical interference periods
weeds
Beta vulgaris L.
períodos críticos de interferência
plantas daninhas
5.01.02.00-1 Fitossanidade
title_short Interference and phytosociological study of weed communities on transplanted beets - DOI: 10.4025/actasciagron.v30i3.3508
title_full Interference and phytosociological study of weed communities on transplanted beets - DOI: 10.4025/actasciagron.v30i3.3508
title_fullStr Interference and phytosociological study of weed communities on transplanted beets - DOI: 10.4025/actasciagron.v30i3.3508
title_full_unstemmed Interference and phytosociological study of weed communities on transplanted beets - DOI: 10.4025/actasciagron.v30i3.3508
title_sort Interference and phytosociological study of weed communities on transplanted beets - DOI: 10.4025/actasciagron.v30i3.3508
author Carvalho, Leonardo Bianco de
author_facet Carvalho, Leonardo Bianco de
Pitelli, Robinson Antonio
Cecílio Filho, Arthur Bernardes
Bianco, Silvano
Guzzo, Caio Dória
author_role author
author2 Pitelli, Robinson Antonio
Cecílio Filho, Arthur Bernardes
Bianco, Silvano
Guzzo, Caio Dória
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Carvalho, Leonardo Bianco de
Pitelli, Robinson Antonio
Cecílio Filho, Arthur Bernardes
Bianco, Silvano
Guzzo, Caio Dória
dc.subject.por.fl_str_mv Beta vulgaris L.
critical interference periods
weeds
Beta vulgaris L.
períodos críticos de interferência
plantas daninhas
5.01.02.00-1 Fitossanidade
topic Beta vulgaris L.
critical interference periods
weeds
Beta vulgaris L.
períodos críticos de interferência
plantas daninhas
5.01.02.00-1 Fitossanidade
description The objective of this research was to study the phytosociological and critical interference periods of weed communities on transplanted beets. The treatments consisted of increasing weekly weedy/weed-free periods, starting at the second week after seedling transplanting. The weed community was evaluated based on the number of individuals and their corresponding accumulated dry mass, for each weed population and evaluated period. The beets were harvested 91 days after transplanting, followed by evaluation of the cross-sectional diameter and marketable yield. The weed communities were composed mainly of Amaranthus viridis, Coronopus didymus, Galinsoga parviflora, Nicandra physaloides and Solanum americanum, and the populations were very similar. The period before weed interference and the total period of weed interference prevention were 51 and 35 days after transplanting, respectively. The beet yield in the weed-free treatment was 44.92 t ha-1 and the reduction from weed interference was more than 70%.
publishDate 2008
dc.date.none.fl_str_mv 2008-05-27
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 http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/3508
10.4025/actasciagron.v30i3.3508
url http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/3508
identifier_str_mv 10.4025/actasciagron.v30i3.3508
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/3508/2480
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.publisher.none.fl_str_mv Universidade Estadual de Maringá
publisher.none.fl_str_mv Universidade Estadual de Maringá
dc.source.none.fl_str_mv Acta Scientiarum. Agronomy; Vol 30 No 3 (2008); 325-331
Acta Scientiarum. Agronomy; v. 30 n. 3 (2008); 325-331
1807-8621
1679-9275
reponame:Acta Scientiarum. Agronomy (Online)
instname:Universidade Estadual de Maringá (UEM)
instacron:UEM
instname_str Universidade Estadual de Maringá (UEM)
instacron_str UEM
institution UEM
reponame_str Acta Scientiarum. Agronomy (Online)
collection Acta Scientiarum. Agronomy (Online)
repository.name.fl_str_mv Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM)
repository.mail.fl_str_mv actaagron@uem.br||actaagron@uem.br|| edamasio@uem.br
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