Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgaris
Autor(a) principal: | |
---|---|
Data de Publicação: | 2012 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.5039/agraria.v7i3a1732 http://hdl.handle.net/11449/73414 |
Resumo: | Secondary compounds produced by plants are considered an alternative method of weed suppression but can cause negative effects on crops in succession, especially in a no-tillage system, due to the degradation of crop residues with allelopathic potential. The objective of this work was to analyze the influence of foliar aqueous extracts of Brassica napus on the germination and initial development of seedlings of Phaseolus vulgaris. The extract was prepared as a stock 10 % weight/volume solution, and diluted into treatments of relative concentrations of 100 % (i.e. 10 % w/v stock), 75 %, 50 %, 25 % and 0 % (untreated control consisting of distilled water), in a completely randomized design. The seeds of Phaseolus vulgaris were moistened with the differing concentrated extracts and kept in a germination chamber at 25 °C, with a photoperiod of 12 h for nine days. The variables evaluated were: percentage germinating, first count of germination and germination velocity index, as well the root and hypocotyl length, and fresh and dry mass of the seedlings. The aqueous leaf extracts of Brassica napus did not influence the germination of Phaseolus vulgaris seeds, but did induce the growth of abnormal seedlings by inhibition of secondary roots and reduced prominence of the primary root. |
id |
UNSP_9e67a6fbe0040bc90f6c64320c9a8853 |
---|---|
oai_identifier_str |
oai:repositorio.unesp.br:11449/73414 |
network_acronym_str |
UNSP |
network_name_str |
Repositório Institucional da UNESP |
repository_id_str |
2946 |
spelling |
Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgarisAllelochemicalsCrop successionDevelopment of seedlingsBrassica napusPhaseolus vulgarisSecondary compounds produced by plants are considered an alternative method of weed suppression but can cause negative effects on crops in succession, especially in a no-tillage system, due to the degradation of crop residues with allelopathic potential. The objective of this work was to analyze the influence of foliar aqueous extracts of Brassica napus on the germination and initial development of seedlings of Phaseolus vulgaris. The extract was prepared as a stock 10 % weight/volume solution, and diluted into treatments of relative concentrations of 100 % (i.e. 10 % w/v stock), 75 %, 50 %, 25 % and 0 % (untreated control consisting of distilled water), in a completely randomized design. The seeds of Phaseolus vulgaris were moistened with the differing concentrated extracts and kept in a germination chamber at 25 °C, with a photoperiod of 12 h for nine days. The variables evaluated were: percentage germinating, first count of germination and germination velocity index, as well the root and hypocotyl length, and fresh and dry mass of the seedlings. The aqueous leaf extracts of Brassica napus did not influence the germination of Phaseolus vulgaris seeds, but did induce the growth of abnormal seedlings by inhibition of secondary roots and reduced prominence of the primary root.Universidade Estadual Paulista Júlio de Mesquista FIlho, Rua José Barbosa de Barros, Lageado, CEP 18610-307, Botucatu-SPUniversidade Federal de Santa Maria Centro de Educação Superior Norte Do Estado Do Rio Grande Do sul Campus de Frederico Westphalen, BR 386, Km 40, Linha Sete de Setembro, CEP 98400-000, Frederico Westphalen-RSUniversidade Estadual Paulista Júlio de Mesquista FIlho, Rua José Barbosa de Barros, Lageado, CEP 18610-307, Botucatu-SPUniversidade Estadual Paulista (Unesp)Centro de Educação Superior Norte Do Estado Do Rio Grande Do sulRigon, João P. G. [UNESP]Capuani, Silvia [UNESP]Cherubin, Maurício R.Wastowski, Arci D.Da Rosa, Genesio M.2014-05-27T11:26:52Z2014-05-27T11:26:52Z2012-07-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article451-455application/pdfhttp://dx.doi.org/10.5039/agraria.v7i3a1732Revista Brasileirade Ciencias Agrarias, v. 7, n. 3, p. 451-455, 2012.1981-11601981-0997http://hdl.handle.net/11449/7341410.5039/agraria.v7i3a17322-s2.0-848715991332-s2.0-84871599133.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengRevista Brasileirade Ciencias Agrarias0,2880,288info:eu-repo/semantics/openAccess2024-01-24T06:36:19Zoai:repositorio.unesp.br:11449/73414Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T23:52:36.756213Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgaris |
title |
Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgaris |
spellingShingle |
Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgaris Rigon, João P. G. [UNESP] Allelochemicals Crop succession Development of seedlings Brassica napus Phaseolus vulgaris |
title_short |
Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgaris |
title_full |
Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgaris |
title_fullStr |
Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgaris |
title_full_unstemmed |
Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgaris |
title_sort |
Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgaris |
author |
Rigon, João P. G. [UNESP] |
author_facet |
Rigon, João P. G. [UNESP] Capuani, Silvia [UNESP] Cherubin, Maurício R. Wastowski, Arci D. Da Rosa, Genesio M. |
author_role |
author |
author2 |
Capuani, Silvia [UNESP] Cherubin, Maurício R. Wastowski, Arci D. Da Rosa, Genesio M. |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Centro de Educação Superior Norte Do Estado Do Rio Grande Do sul |
dc.contributor.author.fl_str_mv |
Rigon, João P. G. [UNESP] Capuani, Silvia [UNESP] Cherubin, Maurício R. Wastowski, Arci D. Da Rosa, Genesio M. |
dc.subject.por.fl_str_mv |
Allelochemicals Crop succession Development of seedlings Brassica napus Phaseolus vulgaris |
topic |
Allelochemicals Crop succession Development of seedlings Brassica napus Phaseolus vulgaris |
description |
Secondary compounds produced by plants are considered an alternative method of weed suppression but can cause negative effects on crops in succession, especially in a no-tillage system, due to the degradation of crop residues with allelopathic potential. The objective of this work was to analyze the influence of foliar aqueous extracts of Brassica napus on the germination and initial development of seedlings of Phaseolus vulgaris. The extract was prepared as a stock 10 % weight/volume solution, and diluted into treatments of relative concentrations of 100 % (i.e. 10 % w/v stock), 75 %, 50 %, 25 % and 0 % (untreated control consisting of distilled water), in a completely randomized design. The seeds of Phaseolus vulgaris were moistened with the differing concentrated extracts and kept in a germination chamber at 25 °C, with a photoperiod of 12 h for nine days. The variables evaluated were: percentage germinating, first count of germination and germination velocity index, as well the root and hypocotyl length, and fresh and dry mass of the seedlings. The aqueous leaf extracts of Brassica napus did not influence the germination of Phaseolus vulgaris seeds, but did induce the growth of abnormal seedlings by inhibition of secondary roots and reduced prominence of the primary root. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012-07-01 2014-05-27T11:26:52Z 2014-05-27T11:26:52Z |
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/10.5039/agraria.v7i3a1732 Revista Brasileirade Ciencias Agrarias, v. 7, n. 3, p. 451-455, 2012. 1981-1160 1981-0997 http://hdl.handle.net/11449/73414 10.5039/agraria.v7i3a1732 2-s2.0-84871599133 2-s2.0-84871599133.pdf |
url |
http://dx.doi.org/10.5039/agraria.v7i3a1732 http://hdl.handle.net/11449/73414 |
identifier_str_mv |
Revista Brasileirade Ciencias Agrarias, v. 7, n. 3, p. 451-455, 2012. 1981-1160 1981-0997 10.5039/agraria.v7i3a1732 2-s2.0-84871599133 2-s2.0-84871599133.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Revista Brasileirade Ciencias Agrarias 0,288 0,288 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
451-455 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 |
|
_version_ |
1808129561387335680 |