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Combining ectomycorrhizal fungi and bacteria: a powerful tool to improve tree performance

2013-12-06Conference object Open access
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dc.contributor.authorRamos, Miguel A.
dc.contributor.authorSousa, Nadine R.
dc.contributor.authorFranco, Albina R.
dc.contributor.authorDundar, Gonul
dc.contributor.authorOliveira, Rui S.
dc.contributor.authorCastro, Paula M. L.
dc.date.accessioned2014-10-28T09:48:51Z
dc.date.available2014-10-28T09:48:51Z
dc.date.issued2013-12-06
dc.description.abstractEctomycorrhizal fungi are ubiquitous to forest soils and the symbiosis between these microorganisms and plants roots is known to be essential for tree establishment and development, especially in areas of poor soil. Studies have also shown that some rhizosphere bacteria may act as plant stimulating agents and growth promoters. Additionally, bacteria and fungi strongly interact and therefore the analysis of the triangle plant-fungi-bacteria is a vital approach when aiming at the use of microbial inocula to enhance plant performance. To obtain a synergistic combination between microorganisms, a thorough selection is required since bacteria may strongly inhibit fungal growth, and vice versa, incurring in the risk of failed inoculum. In the present work we investigated the use of a dual inoculation system, consisting of a bacterial strain from the genus Mesorhizobium in combination with selected ectomycorrhizal fungi. In vitro tests were performed to assess the dynamic of co-culturing both microorganisms. The inoculum was applied at nursery stage and saplings were then transplanted into the field. Approximately 5000 seedlings were used in this experiment comprising the following species: Quercus suber, Quercus robur, Quercus rubra, Pinus pinaster and Pinus pinea. Seedlings were grown for 9 months in a commercial forest greenhouse and then transplanted to 4 locations in Portugal: Mindelo, Santo Tirso, Vila do Conde and Proença-a-Nova. Samples were taken at the end of nursery phase and 8 months after transplantation. Biometric and mycorrhizal parameters were analyzed and the persistence of the inoculated strains was evaluated. The presence of selected phytohormones was also determined. Results showed that the combined use of fungi-bacteria inoculum can be more effective than the use of each individual microbial partner. The use of ectomycorrhizal fungi and bacteria has great potential in forestry as a biotechnological tool to produce high performance plants at nursery stage and in the field.por
dc.identifier.citationRAMOS, Miguel A. [et al.] - Combining ectomycorrhizal fungi and bacteria: a powerful tool to improve tree performance. In MicroBiotec’13, Aveiro, Portugal, 6-8 December 2013 - In MICROBIOTECH 2013: Book of Abstracts. p. 211. Available at: http://microbiotec13.web.ua.pt/docs/e-book%20Microbiotec%202013%20Aveiro.pdfpor
dc.identifier.urihttp://hdl.handle.net/10400.14/15349
dc.language.isoengpor
dc.relationPTDC-AGR-CFL-111583-2009por
dc.subjectectomycorrhizal fungipor
dc.subjectplant growth promoting bacteriapor
dc.subjectdual inoculationpor
dc.subjectforest treespor
dc.titleCombining ectomycorrhizal fungi and bacteria: a powerful tool to improve tree performancepor
dc.typeconference object
dspace.entity.typePublication
person.familyNameSousa
person.familyNameFranco
person.familyNameOliveira
person.familyNameCastro
person.givenNameNadine
person.givenNameAlbina
person.givenNameRui S.
person.givenNamePaula
person.identifier2013444
person.identifier.ciencia-id251B-951A-F21E
person.identifier.ciencia-id7C1F-6C72-354A
person.identifier.orcid0000-0001-6993-0386
person.identifier.orcid0000-0001-8974-8354
person.identifier.orcid0000-0001-5252-5595
person.identifier.orcid0000-0001-8841-6606
person.identifier.ridE-3755-2014
person.identifier.ridM-8241-2013
person.identifier.scopus-author-id36198795000
person.identifier.scopus-author-id10142995700
person.identifier.scopus-author-id56865275400
person.identifier.scopus-author-id7102781782
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
relation.isAuthorOfPublicationf3347ef0-2bf4-43a3-a602-94d6b92d21dc
relation.isAuthorOfPublication838bf95f-6ac2-41cf-b03f-2afd6e95b212
relation.isAuthorOfPublication65ddc91a-e65d-420d-9378-27bab4230de4
relation.isAuthorOfPublicationf2253992-dc8d-4042-9a0f-597ebcf0a1d6
relation.isAuthorOfPublication.latestForDiscovery65ddc91a-e65d-420d-9378-27bab4230de4

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