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Otimização da aplicação de um bio-estimulante para o aumento da produtividade e qualidade do morango

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dc.contributor.authorSilva, João F.
dc.contributor.authorPinheiro, Rita F.
dc.contributor.authorAmaro, Ana L.
dc.contributor.authorPereira, Maria J.
dc.contributor.authorRoriz, Mariana
dc.contributor.authorAguiar, Ana
dc.contributor.authorPintado, Manuela
dc.contributor.authorVasconcelos, Marta W.
dc.contributor.authorCarvalho, Susana M. P.
dc.date.accessioned2015-05-07T15:39:11Z
dc.date.available2015-05-07T15:39:11Z
dc.date.issued2014
dc.description.abstractBiostimulants derived from natural products are being used by several strawberry growers to increase productivity and fruit quality. Given their high cost it is of utmost importance to carry out studies to validate their positive effect at plant level and to optimize their application. This study aimed at evaluating the effect of a commercial seaweed-derived biostimulant on yield and quality of strawberry produced in soilless cultivation system. Therefore, two application methods (fertigation and foliar application), two frequencies of application (every 15 and every 30 days throughout the cultivation period) and three doses of biostimulant (1.5, 3.0 and 4.5 l/ha) have been tested. In general, the application of biostimulant aiming at increased productivity proved to be more effective via fertigation compared to foliar application. The highest productivity was observed upon application of 4.5 l/ha every 15 days via fertigation (20% increase), with an increase in the total number of fruits produced (11%) and in the average fruit fresh weight (8%), compared to the commercial control (i.e. 1.5 l/ha every 30 days). As regards the quality parameters, there was a maximum increase of firmness (45%) when 4.5 l/ha of seaweed extract was applied via fertigation every 30 days. Foliar applications promoted the highest levels of soluble solids content and were efficient in maintaining the fruit brightness during storage. This study clearly showed that the method, dose and frequency of biostimulant application has a significant impact on the productivity and fruit texture.por
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citationSILVA, João F… [et al.] - Otimização da aplicação de um bio-estimulante para o aumento da produtividade e qualidade do morango. In Simpósio Nacional de Fruticultura, 3.º, Vila Real, Portugal, 4-5 Dezembro 2014. RODRIGUES, Raúl ; SILVA, Ana Paula (coord.) - [Livro de actas] Actas Portuguesas de Horticultura, nº 23. 2014. ISBN 978-972-8936-16-7. p. 380-388por
dc.identifier.isbn9789728936167
dc.identifier.urihttp://hdl.handle.net/10400.14/17493
dc.language.isoporpor
dc.peerreviewedyespor
dc.subjectAscophyllum nodosumpor
dc.subjectCorpor
dc.subjectExtratos de algaspor
dc.subjectFirmezapor
dc.subjectFragaria ananassapor
dc.subjectGrau brixpor
dc.subjectNúmero de frutospor
dc.titleOtimização da aplicação de um bio-estimulante para o aumento da produtividade e qualidade do morangopor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceVila Real
oaire.citation.endPage388
oaire.citation.startPage380
oaire.citation.volume23
person.familyNameRoriz
person.familyNamePintado
person.familyNameVasconcelos
person.familyNameCarvalho
person.givenNameMariana
person.givenNameMaria Manuela
person.givenNameMarta
person.givenNameSusana M.P.
person.identifier187207
person.identifier456608
person.identifier74696
person.identifier194747
person.identifier.ciencia-idE713-C010-67DB
person.identifier.ciencia-id2F13-AAE0-3405
person.identifier.ciencia-id5E16-859A-37A4
person.identifier.orcid0000-0002-5365-8186
person.identifier.orcid0000-0002-0760-3184
person.identifier.orcid0000-0002-5110-7006
person.identifier.orcid0000-0001-7157-1079
person.identifier.ridF-5696-2013
person.identifier.ridI-8166-2013
person.identifier.ridI-7184-2013
person.identifier.scopus-author-id7004483898
person.identifier.scopus-author-id14627797100
person.identifier.scopus-author-id7005619826
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
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