Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/100686
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dc.contributor.authorPacheco, Diana-
dc.contributor.authorCotas, João-
dc.contributor.authorRocha, Carolina P.-
dc.contributor.authorAraújo, Glacio S.-
dc.contributor.authorFigueirinha, Artur-
dc.contributor.authorGonçalves, Ana M. M.-
dc.contributor.authorBahcevandziev, Kiril-
dc.contributor.authorPereira, Leonel-
dc.date.accessioned2022-07-08T11:43:29Z-
dc.date.available2022-07-08T11:43:29Z-
dc.date.issued2021-
dc.identifier.issn26668939pt
dc.identifier.urihttps://hdl.handle.net/10316/100686-
dc.description.abstractCurrently, the high food demand led to a mass agriculture practices, whereas crop productivity is one of the major concerns for the producers. However, the intensification of the use of synthetic fertilizers has led to serious harmful impacts for human health and for the environment. The quest for novel and natural agricultural products is a current trend, hence seaweed polysaccharide bioactivity can contribute for this pursuit. The seaweed principal carbohydrates (agar, carrageenan and alginate) were extracted and chemically characterized from five red seaweeds, namely Gracilaria gracilis (Slender wart weed), Asparagospis armata (Harpoon weed), Calliblepharis jubata (False eyelash weed), Chondracanthus teedei var. lusitanicus and Grateloupia turuturu (Devil's tongue weed); and three brown seaweeds Colpomenia peregrina (Oyster thief), Sargassum muticum (Wireweed) and Undaria pinnatifida (Wakame). Afterwards, it was evaluated the impact of these sulphated polysaccharides on kale (Brassica oleracea) growth. Among the polymers tested, iota-carrageenan (from Calliblepharis jubata), kappa/ iota-carrageenan (from the female gametophyte of Chondracanthus teedei var. lusitanicus) and agar (from Gracilaria gracilis) showed a positive effect on kale growth. Through the quantification of polysaccharides and uronic acids, it appears that the polymer chemical structure is the decisive factor that affects the plant biostimulant activity.pt
dc.language.isoengpt
dc.relationUIDB/ 04292/2020pt
dc.relationUIDP/50017/2020pt
dc.relationUIDB/50017/2020pt
dc.relationPTDC/BIA-CBI/31144/2017-POCI-01pt
dc.relationproject NASPA (EAPA_451/2016pt
dc.relationFCT doctoral grant SFRH/BD/140922/2018pt
dc.relationUIDB/50006/2020pt
dc.relationUniversity of Coimbra Contract IT057-18-7253pt
dc.relationproject MENU - Marine Macroalgae: Alternative recipes for a daily nutritional diet (FA_05_2017_011)pt
dc.rightsopenAccesspt
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt
dc.subjectAgarophytept
dc.subjectAlginophytept
dc.subjectCarragenophytespt
dc.subjectGrowth promoterspt
dc.subjectSeaweeds polysaccharidept
dc.subjectUronic acid compositionpt
dc.titleSeaweeds’ carbohydrate polymers as plant growth promoterspt
dc.typearticle-
degois.publication.firstPage100097pt
degois.publication.titleCarbohydrate Polymer Technologies and Applicationspt
dc.peerreviewedyespt
dc.identifier.doi10.1016/j.carpta.2021.100097pt
degois.publication.volume2pt
dc.date.embargo2021-01-01*
uc.date.periodoEmbargo0pt
item.fulltextCom Texto completo-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.openairetypearticle-
crisitem.author.researchunitMARE - Marine and Environmental Sciences Centre-
crisitem.author.researchunitMARE - Marine and Environmental Sciences Centre-
crisitem.author.researchunitMARE - Marine and Environmental Sciences Centre-
crisitem.author.orcid0000-0001-5509-1067-
crisitem.author.orcid0000-0002-2202-6426-
crisitem.author.orcid0000-0003-3064-5718-
crisitem.author.orcid0000-0002-8611-7183-
crisitem.author.orcid0000-0002-6819-0619-
Appears in Collections:I&D MARE - Artigos em Revistas Internacionais
FFUC- Artigos em Revistas Internacionais
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