Potencial alelopático de Ipomoea fistulosa sobre a germinação de alface e tomate

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dc.contributor.authorLima, Juliana Domingues [UNESP]
dc.contributor.authorMoraes, Wilson da Silva
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionAgência Paulista de Tecnologia dos Agronegócios (APTA)
dc.date.accessioned2014-05-20T15:30:19Z
dc.date.available2014-05-20T15:30:19Z
dc.date.issued2008-07-01
dc.description.abstractThe objective of the present research was to determine the allelopathic potential of Ipomoea fistulosa plants on germination and growth of seedlings. In laboratory, lettuce and tomato seeds were placed to germinate in the presence of water or Ipomoea fistulosa leaf extract, in the concentrations of 5, 10 e 15% (p/v). In greenhouse, seeds were placed to germinate in trays containing Plantmax (R) substrate and Plantmax (R) substrate + Ipomoea fistulosa dry leaf residue, at 3% (w/w). The aqueous extract inhibited germination, raised the mean germination time of the seeds and reduced the radicle and hypocotyl growth in all used concentrations. In greenhouse, the plant height, leaf number, and dry mass accumulation also were reduced in the presence of the leaf residue in the substrate. The results suggest the presence of allelochemicals in Ipomoea fistulosa and demonstrate the highest sensitivity of lettuce that tomato to these compounds.en
dc.description.affiliationUniv Estadual Paulista, BR-11900000 São Paulo, Brazil
dc.description.affiliationAgencia Paulista Tecnol Agronegocios Registro, Lab Sanidade Vegetal Polo Reg Vale Ribeira, São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, BR-11900000 São Paulo, Brazil
dc.format.extent409-413
dc.identifierhttp://dx.doi.org/10.4025/actasciagron.v30i3.3553
dc.identifier.citationActa Scientiarum-agronomy. Maringa: Universidade Estadual de Maringá (UEM), Pro-reitoria Pesquisa Pos-graduacao, v. 30, n. 3, p. 409-413, 2008.
dc.identifier.issn1679-9275
dc.identifier.urihttp://hdl.handle.net/11449/39728
dc.identifier.wosWOS:000257983600017
dc.language.isopor
dc.publisherUniversidade Estadual de Maringá (UEM), Pro-reitoria Pesquisa Pos-graduacao
dc.relation.ispartofActa Scientiarum: Agronomy
dc.relation.ispartofsjr0,431
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectIpomoea fistulosaen
dc.subjectweeden
dc.subjectalellopathyen
dc.titlePotencial alelopático de Ipomoea fistulosa sobre a germinação de alface e tomatept
dc.title.alternativeAllelopathic potential of Ipomoea fistulosa on the germination of lettuce and tomatoen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/asagr/paboutj.htm
dcterms.rightsHolderUniversidade Estadual de Maringá (UEM), Pro-reitoria Pesquisa Pos-graduacao
unesp.author.orcid0000-0002-2722-5192[1]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias do Vale do Ribeira, Registropt

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Artigos - Engenharia Agronômica - Registro