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Producing cyanobacteria to use as biostimulants

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dc.contributor.authorMouga, Teresa
dc.contributor.authorSimões, Fátima
dc.contributor.authorMoreira, Vitória
dc.contributor.authorMartins, Alice
dc.contributor.authorFerreira, Carolina
dc.contributor.authorRamos, Rute
dc.contributor.authorAfonso, Clélia
dc.date.accessioned2023-03-17T15:15:40Z
dc.date.available2023-03-17T15:15:40Z
dc.date.issued2023
dc.description.abstractBy 2050, the world’s population will reach about 10 billion people, which will the need for food by about 60% more than is available today. To meet this need, new processes are emerging to allow more efficient and sustainable intensification of agriculture. In this context, the use of biostimulants has received increasing attention, due to their ability to improve plant quality and yield, stress tolerance, and/or improve the availability of nutrients in the soil. When it comes to Cyanobacteria, the preferred ones are N2-fixing species, which increase organic nitrogen in the soil, and produce hygroscopic exopolysaccharides, which alter the distribution of water by reducing soil hydrophobicity. Therefore, they decrease soil evaporation and retain moisture, improving soil stability. Wild strains of filamentous N2 fixing Nostoc 135, Nostoc 136, Nostoc 137, and Anabaena 4, provided by Alga2O Lda., were grown in the laboratory with the aim of selecting those that presented the necessary physiological characteristics to be efficiently grown in the laboratory. Therefore, the growth rate, productivity, and exopolysaccharides (EPS) contents were analysed. The EPS obtained from each strain culture (3% g/L) was applied to lettuce seeds (Lactuca sativa), to determine the germination rate, primary root length and number of primary leaves produced. As confirmed by other authors, Cyanobacteria are interesting biostimulants regarding germination rates. Other effects to be tested in the future are heat and drought tolerance, water, nutrients, essential oil, and pigment content, all of which are positive aspects that have been previously reported for other Nostoc and Anabaena species.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMouga, T. et al. (2023). Producing Cyanobacteria to Use as Biostimulants. In: P.S.D. Brito, et al. Proceedings of the 2nd International Conference on Water Energy Food and Sustainability (ICoWEFS 2022). ICoWEFS 2022. Springer, Cham. https://doi.org/10.1007/978-3-031-26849-6_4pt_PT
dc.identifier.doi10.1007/978-3-031-26849-6_4pt_PT
dc.identifier.isbn978-3-031-26849-6
dc.identifier.isbn978-3-031-26848-9
dc.identifier.urihttp://hdl.handle.net/10400.8/8248
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationMarine and Environmental Sciences Centre
dc.subjectAnabaena sp.pt_PT
dc.subjectNostoc sp.pt_PT
dc.subjectGrowth ratept_PT
dc.subjectExopolysaccharidespt_PT
dc.subjectBiostimulantpt_PT
dc.subjectLactuca sativapt_PT
dc.subjectGermination ratept_PT
dc.subjectLongest root lengthpt_PT
dc.titleProducing cyanobacteria to use as biostimulantspt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleMarine and Environmental Sciences Centre
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04292%2F2020/PT
oaire.citation.endPage35pt_PT
oaire.citation.startPage26pt_PT
oaire.citation.titleICoWEFS 2022 - International Conference on Water Energy Food and Sustainability, 2nd, Portalegre, Portugal, May 10-12pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameMouga
person.familyNameMartins
person.familyNameMarzia Ferreira
person.familyNameAfonso
person.givenNameTeresa
person.givenNameAlice
person.givenNameCarolina Alexandra
person.givenNameClélia
person.identifier153274
person.identifier.ciencia-idE312-FDCC-1ED8
person.identifier.ciencia-idDA19-728A-9BC8
person.identifier.ciencia-id3215-5FE5-B516
person.identifier.ciencia-idC512-13C3-50DD
person.identifier.orcid0000-0003-4849-8840
person.identifier.orcid0000-0002-0542-2662
person.identifier.orcid0000-0002-6838-3744
person.identifier.orcid0000-0002-4167-5237
person.identifier.ridB-1211-2016
person.identifier.scopus-author-id56013514200
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication901e8c7b-9818-4493-8e96-75d0c5ad718c
relation.isAuthorOfPublication1bc1a00d-0af9-4be5-b19f-ddaf89268517
relation.isAuthorOfPublication6424f682-0c7d-4236-95f4-77f6091208e8
relation.isAuthorOfPublication4876cc93-8744-4885-ae53-7b552036195d
relation.isAuthorOfPublication.latestForDiscovery6424f682-0c7d-4236-95f4-77f6091208e8
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