Allelopathic potential of aqueous extracts of cover crops on the germination and development of Bidens pilosa

Detalhes bibliográficos
Autor(a) principal: Moraes, Pedro Valério Dutra de
Data de Publicação: 2012
Outros Autores: Agostinetto, Dirceu, Panozzo, Luis Eduardo, Galon, Leandro, Oliveira, Claudia, Magro, Taísa Dal
Tipo de documento: Artigo
Idioma: por
Título da fonte: Semina. Ciências Agrárias (Online)
Texto Completo: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/6974
Resumo: The objective of the study was to evaluate the influence of cover crops extracts on growth and development of Bidens pilosa. The experimental design was completely randomized in factorial scheme 4 x 3 x 5 with four replications. The factor A was composed by cover crops (Brassica napus; Raphanus sativus; Trifolium vesiculosum; Lolium multiflorum), B was parts plants (whole plant, shoot and root system) and C extracts concentrations (0; 1, 2.5, 5 and 10% weight / volume). Variables evaluated were: speed of germination; germination percentage; length and dry matter of shoot and root. Extracts of Brassica napus followed by extracts of Trifolium vesiculosum, in general, had more allelopathic potential. The shoots of the cover crops, presented in general larger allelopathic activity. Allelopathic activity on germination and development of Bidens pilosa increases with the increment of extracts concentration, of differents plants parts. The speed germination is the best indicator of allelopathic activity of cover crops on Bidens pilosa.
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spelling Allelopathic potential of aqueous extracts of cover crops on the germination and development of Bidens pilosaPotencial alelopático de extratos aquosos de culturas de cobertura de solo na germinação e desenvolvimento inicial de Bidens pilosaBrassica napusRaphanus sativusTrifolium vesiculosumLolium multiflorum.Brassica napusRaphanus sativusTrifolium vesiculosumLolium multiflorum.The objective of the study was to evaluate the influence of cover crops extracts on growth and development of Bidens pilosa. The experimental design was completely randomized in factorial scheme 4 x 3 x 5 with four replications. The factor A was composed by cover crops (Brassica napus; Raphanus sativus; Trifolium vesiculosum; Lolium multiflorum), B was parts plants (whole plant, shoot and root system) and C extracts concentrations (0; 1, 2.5, 5 and 10% weight / volume). Variables evaluated were: speed of germination; germination percentage; length and dry matter of shoot and root. Extracts of Brassica napus followed by extracts of Trifolium vesiculosum, in general, had more allelopathic potential. The shoots of the cover crops, presented in general larger allelopathic activity. Allelopathic activity on germination and development of Bidens pilosa increases with the increment of extracts concentration, of differents plants parts. The speed germination is the best indicator of allelopathic activity of cover crops on Bidens pilosa. Objetivou-se com o trabalho avaliar a influência de extratos de culturas de cobertura de estação estival de inverno sobre o crescimento e desenvolvimento de Bidens pilosa (picão-preto). O delineamento experimental foi inteiramente casualizado, arranjado em esquema fatorial 4 x 3 x 5, com quatro repetições. O fator A foi constituído pelas culturas de cobertura (canola, nabo-forrageiro, trevovesiculoso e azevém), o B pelas partes da planta (planta inteira, parte aérea ou sistema radicular) e o C pelas concentrações dos extratos vegetais (0; 1; 2,5; 5 e 10% peso/volume). Foram avaliados o índice de velocidade de germinação, a percentagem de germinação e comprimento e massa seca da parte aérea e radicular. Os extratos de canola seguidos dos de trevo-vesiculoso, apresentaram maior potencial alelopático. A parte aérea das culturas de cobertura foi a que apresentou a maior atividade alelopática. A atividade alelopática sobre a germinação e o desenvolvimento de picão-preto aumentou com o incremento da concentração dos extratos, das partes vegetais. O índice de velocidade de germinação foi o melhor indicador de atividade alelopática de culturas de cobertura sobre o picão-preto.UEL2012-08-28info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/697410.5433/1679-0359.2012v33n4p1299Semina: Ciências Agrárias; Vol. 33 No. 4 (2012); 1299-1314Semina: Ciências Agrárias; v. 33 n. 4 (2012); 1299-13141679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELporhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/6974/11266Moraes, Pedro Valério Dutra deAgostinetto, DirceuPanozzo, Luis EduardoGalon, LeandroOliveira, ClaudiaMagro, Taísa Dalinfo:eu-repo/semantics/openAccess2015-11-19T18:37:25Zoai:ojs.pkp.sfu.ca:article/6974Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2015-11-19T18:37:25Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false
dc.title.none.fl_str_mv Allelopathic potential of aqueous extracts of cover crops on the germination and development of Bidens pilosa
Potencial alelopático de extratos aquosos de culturas de cobertura de solo na germinação e desenvolvimento inicial de Bidens pilosa
title Allelopathic potential of aqueous extracts of cover crops on the germination and development of Bidens pilosa
spellingShingle Allelopathic potential of aqueous extracts of cover crops on the germination and development of Bidens pilosa
Moraes, Pedro Valério Dutra de
Brassica napus
Raphanus sativus
Trifolium vesiculosum
Lolium multiflorum.
Brassica napus
Raphanus sativus
Trifolium vesiculosum
Lolium multiflorum.
title_short Allelopathic potential of aqueous extracts of cover crops on the germination and development of Bidens pilosa
title_full Allelopathic potential of aqueous extracts of cover crops on the germination and development of Bidens pilosa
title_fullStr Allelopathic potential of aqueous extracts of cover crops on the germination and development of Bidens pilosa
title_full_unstemmed Allelopathic potential of aqueous extracts of cover crops on the germination and development of Bidens pilosa
title_sort Allelopathic potential of aqueous extracts of cover crops on the germination and development of Bidens pilosa
author Moraes, Pedro Valério Dutra de
author_facet Moraes, Pedro Valério Dutra de
Agostinetto, Dirceu
Panozzo, Luis Eduardo
Galon, Leandro
Oliveira, Claudia
Magro, Taísa Dal
author_role author
author2 Agostinetto, Dirceu
Panozzo, Luis Eduardo
Galon, Leandro
Oliveira, Claudia
Magro, Taísa Dal
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Moraes, Pedro Valério Dutra de
Agostinetto, Dirceu
Panozzo, Luis Eduardo
Galon, Leandro
Oliveira, Claudia
Magro, Taísa Dal
dc.subject.por.fl_str_mv Brassica napus
Raphanus sativus
Trifolium vesiculosum
Lolium multiflorum.
Brassica napus
Raphanus sativus
Trifolium vesiculosum
Lolium multiflorum.
topic Brassica napus
Raphanus sativus
Trifolium vesiculosum
Lolium multiflorum.
Brassica napus
Raphanus sativus
Trifolium vesiculosum
Lolium multiflorum.
description The objective of the study was to evaluate the influence of cover crops extracts on growth and development of Bidens pilosa. The experimental design was completely randomized in factorial scheme 4 x 3 x 5 with four replications. The factor A was composed by cover crops (Brassica napus; Raphanus sativus; Trifolium vesiculosum; Lolium multiflorum), B was parts plants (whole plant, shoot and root system) and C extracts concentrations (0; 1, 2.5, 5 and 10% weight / volume). Variables evaluated were: speed of germination; germination percentage; length and dry matter of shoot and root. Extracts of Brassica napus followed by extracts of Trifolium vesiculosum, in general, had more allelopathic potential. The shoots of the cover crops, presented in general larger allelopathic activity. Allelopathic activity on germination and development of Bidens pilosa increases with the increment of extracts concentration, of differents plants parts. The speed germination is the best indicator of allelopathic activity of cover crops on Bidens pilosa.
publishDate 2012
dc.date.none.fl_str_mv 2012-08-28
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://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/6974
10.5433/1679-0359.2012v33n4p1299
url https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/6974
identifier_str_mv 10.5433/1679-0359.2012v33n4p1299
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/6974/11266
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 UEL
publisher.none.fl_str_mv UEL
dc.source.none.fl_str_mv Semina: Ciências Agrárias; Vol. 33 No. 4 (2012); 1299-1314
Semina: Ciências Agrárias; v. 33 n. 4 (2012); 1299-1314
1679-0359
1676-546X
reponame:Semina. Ciências Agrárias (Online)
instname:Universidade Estadual de Londrina (UEL)
instacron:UEL
instname_str Universidade Estadual de Londrina (UEL)
instacron_str UEL
institution UEL
reponame_str Semina. Ciências Agrárias (Online)
collection Semina. Ciências Agrárias (Online)
repository.name.fl_str_mv Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)
repository.mail.fl_str_mv semina.agrarias@uel.br
_version_ 1799306064281206784

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