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Growth promotional traits of three pgpr: possible uses for phytoremediation of degraded soils

2014Conference object Open access
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dc.contributor.authorMoreira, Helena
dc.contributor.authorPereira, Sofia A.
dc.contributor.authorVegas, Alberto L.
dc.contributor.authorRangel, António O. S. S.
dc.contributor.authorCastro, Paula M. L.
dc.contributor.authorMarques, Ana P. G. C.
dc.date.accessioned2015-07-17T10:09:44Z
dc.date.available2015-07-17T10:09:44Z
dc.date.issued2014
dc.description.abstractMaize is a fast-growing and high yield crop with both energy value and remediation potential. Plant growth promoting rhizobacteria (PGPR) are a biological tool available to enhance plant establishment in degraded or depleted environments such as the case of saline soils or heavy-metal contaminated land. Although PGPR are able to produce metabolites such as siderophores, HCN and ammonia, or solubilize nutrients such as phosphate, these beneficial traits for the plant may be influenced by exposure to excessive levels of such contaminants. In this study, three PGPR (Pseudomonas fluorescens, Ralstonia eutropha and Cryseobacterium humi) were screened for those traits in the presence of different levels of Cd and Zn, and also to different salinization conditions. Their ability to influence maize germination and root and shoot elongation was also analyzed. Results showed that the level of exposure generally affected the ability of the tested strains to produce plant growth promoting substances. However, dissimilar sensibilities in the behavior of the different strains were observed when exposed to similar stress conditions. These differences were also noticeable in the plant development, with the tested PGPR generally positively influencing the analyzed parameters. Results suggest that PGPR can be exploited to promote stress relief of maize when grown in degraded land. Such knowledge may provide a new insight concerning the advantages of such biotechnologically based tools for phytoremediation.por
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citationMOREIRA, Helena … [et al.] - Growth promotional traits of three pgpr: possible uses for phytoremediation of degraded soils. International Congress on Phytoremediation of Polluted Soils. Vigo, Espanha, 28 – 29 July, 2014. LAGO, Daniel Arenas; VEGA, Flora Alonso; SEIJO, Andrés Rodríguez (ed.) - PPS International Congress of Phytoremediation of Polluted Soils : Book of Abstract. Vigo, Fisher Scientific, 2014. ISBN 978-84-697-0747-0, 2014. p. 46por
dc.identifier.isbn9788469707470
dc.identifier.urihttp://hdl.handle.net/10400.14/18019
dc.language.isoengpor
dc.peerreviewedyespor
dc.relationStrategic Project - LA 16 - 2011-2012
dc.relationINVESTIGATIONS INTO THE ROLE OF SOIL MICROORGANISMS IN THE RE-VEGETATION OF ENVIRONMENTALLY DISTURBED SITES AS A TOOL FOR LAND USE RESTORATION THROUGH BIOMASS PRODUCTION
dc.subjectSoil salinizationpor
dc.subjectMetal contaminated landpor
dc.subjectMaizepor
dc.subjectPlant growth promoting rhizobacteriapor
dc.titleGrowth promotional traits of three pgpr: possible uses for phytoremediation of degraded soilspor
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleStrategic Project - LA 16 - 2011-2012
oaire.awardTitleINVESTIGATIONS INTO THE ROLE OF SOIL MICROORGANISMS IN THE RE-VEGETATION OF ENVIRONMENTALLY DISTURBED SITES AS A TOOL FOR LAND USE RESTORATION THROUGH BIOMASS PRODUCTION
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/PEst-OE%2FEQB%2FLA0016%2F2011/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F64584%2F2009/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F65134%2F2009/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/EXPL%2FAGR-PRO%2F0521%2F2013/PT
oaire.citation.startPage46
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamSFRH
oaire.fundingStream3599-PPCDT
person.familyNameSantos Silva Rangel
person.familyNameCastro
person.familyNameMarques
person.givenNameAntónio Osmaro
person.givenNamePaula
person.givenNameAna
person.identifier2013444
person.identifier.ciencia-idD61D-7CFB-178A
person.identifier.ciencia-id7C1F-6C72-354A
person.identifier.orcid0000-0002-6486-8947
person.identifier.orcid0000-0001-8841-6606
person.identifier.orcid0000-0001-8232-1155
person.identifier.ridM-8241-2013
person.identifier.scopus-author-id7004827387
person.identifier.scopus-author-id7102781782
person.identifier.scopus-author-id14523081300
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
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