Exogenous Applications of Brassinosteroids Improve Color of Red Table Grape (Vitis vinifera L. Cv. “Redglobe”) Berries

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dc.contributor.authorVergara Valderrama, Alexis Esteban
dc.contributor.authorAlcalde Furber, José Antonio
dc.contributor.authorPérez Donoso, Alonso Gastón
dc.contributor.authorDíaz, Katy
dc.contributor.authorCarvajal, Rodrigo
dc.contributor.authorEspinoza Catalán, Luis Javier
dc.date.accessioned2020-10-22T13:14:07Z
dc.date.available2020-10-22T13:14:07Z
dc.date.issued2018
dc.date.updated2020-10-15T17:23:41Z
dc.description.abstractColor and other quality parameters of “Redglobe” grape (Vitis vinifera L.) berries were evaluated after treatment with brassinosteroid (BR) analogs. Three BRs analogs (24-epibrassinolide, Triol, or Lactone) were applied at three concentrations (0.0, 0.4, or 0.8 mg⋅L-1), at the onset of veraison. A commercial formulation (B-2000®) was also applied, at a recommended rate of 0.06 mg⋅L-1. The tested BR analogs were effective improving berry color (evaluated as color index for red grapes, CIRG), increasing the levels of soluble solids and anthocyanins, and changing the types of anthocyanins present without altering other quality and yield parameters. The effects of BR analogs on color enhancement could be explained by an increase in soluble solids content and/or anthocyanin content. Treatment with 24-epibrassinolide (at 0.4 mg⋅L-1) or the commercial formulation tended to favor the production of dihydroxylated anthocyanins, which are responsible for the red and pink colors of grape berries. Results indicate that the use of BRs constitutes a potential tool in the production of table grapes. This is the first report of this enhancement effect in a productive context.
dc.format.extent11 páginas
dc.identifier.doi10.3389/fpls.2018.00363
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/47994
dc.identifier.urihttps://doi.org/10.3389/fpls.2018.00363
dc.issue.numeroNo. 363
dc.language.isoen
dc.pagina.final11
dc.pagina.inicio1
dc.revistaFrontiers in Plant Sciencees_ES
dc.subjectAnthocyaninses_ES
dc.subjectBerry colores_ES
dc.subjectBrassinosteroidses_ES
dc.subjectColor index for red grapes (CIRG)es_ES
dc.subjectQualityes_ES
dc.subject.ddc634.8
dc.subject.deweyTecnologíaes_ES
dc.titleExogenous Applications of Brassinosteroids Improve Color of Red Table Grape (Vitis vinifera L. Cv. “Redglobe”) Berrieses_ES
dc.typeartículo
dc.volumenVol. 9
sipa.codpersvinculados225242
sipa.codpersvinculados59411
sipa.codpersvinculados91787
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