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Application of maize and efficient rhizospheric microorganisms for the remediation of saline soils

2014Conference object Open access
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dc.contributor.authorMoreira, Helena
dc.contributor.authorPereira, Sofia A.
dc.contributor.authorVega, Alberto L.
dc.contributor.authorCastro, Paula M. L.
dc.contributor.authorMarques, Ana P. G. C.
dc.date.accessioned2015-07-17T10:07:47Z
dc.date.available2015-07-17T10:07:47Z
dc.date.issued2014
dc.description.abstractSoil salinity is a serious problem causing loss of fertility, as plants facing salt stress suffer alterations in physiology that adversely affects its growth. This work aimed to evaluate the effectiveness of combinations of microorganisms for the recovery of crop productivity in soils affected by different levels of salinity (0, 2.5 and 5 gNaCl.kg-1). The strategy relied on the culture in greenhouse conditions of a high value food and energetic crop (maize) inoculated with soil plant growth promoting microbiota – an arbuscular mychorrizal fungi (Rhizophagus irregularis), a rhizobacteria (Pseudomonas reactans) and a bacterial endophyte (Pantoea ananatis). Plant biomass was assessed at harvest and differences between treatments were analysed. As the work also aimed to relate the effects of bioinoculation to alterations in plant response to salt stress, further parameters were assessed. Elevated salt levels induce ionic stress, with consequent nutrient imbalance; therefore, levels of Na, K and Ca were determined in plant tissues. As salt is also a major stress to soil organisms, rhizosphere samples were analysed to follow up of microbiota survival by molecular biology techniques (DGGE), assessing the effect of soil salinity at the different tested levels on the inoculated soil microorganisms persistence and relationship with the existing community. The collected information allowed understanding the effects of the applied biologically based treatments in the quality of the tested saline soils, on the dynamics of the present microbiota and on maize growth, focusing on the further development of cropping strategies for saline soils, grounded on sustainable agriculture practices.por
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citationMOREIRA, Helena… [et al.] - Application of maize and efficient rhizospheric microorganisms for the remediation of saline soils. In 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. p. 109por
dc.identifier.urihttp://hdl.handle.net/10400.14/18018
dc.language.isoengpor
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.subjectSalinizationpor
dc.subjectMaizepor
dc.subjectArbuscular mychorrizal fungipor
dc.subjectPlant growth promoting endophitic bacteriapor
dc.titleApplication of maize and efficient rhizospheric microorganisms for the remediation of saline 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/3599-PPCDT/EXPL%2FAGR-PRO%2F0521%2F2013/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.citation.startPage109
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream3599-PPCDT
oaire.fundingStreamSFRH
person.familyNameMoreira
person.familyNamePereira
person.familyNameCastro
person.familyNameMarques
person.givenNameHelena
person.givenNameSofia
person.givenNamePaula
person.givenNameAna
person.identifier2013444
person.identifier.ciencia-id3416-CFB7-17A6
person.identifier.ciencia-id7C1F-6C72-354A
person.identifier.orcid0000-0002-4556-5027
person.identifier.orcid0000-0002-5897-687X
person.identifier.orcid0000-0001-8841-6606
person.identifier.orcid0000-0001-8232-1155
person.identifier.ridH-4202-2016
person.identifier.ridM-8241-2013
person.identifier.scopus-author-id56626749000
person.identifier.scopus-author-id15127794800
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
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