Evaluation of Grafting Method and Scion—Rootstock Alignment Effects on Anatomical Development and Hydraulic Properties of Grapevine (Vitis vinifera L.) Graft Unions

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dc.contributor.authorCrespo Martínez, Sara
dc.contributor.authorVilla Llop, Ana
dc.contributor.authorLoidi, Maite
dc.contributor.authorPina Sobrino, Ana
dc.contributor.authorIrisarri Sarto, Patricia
dc.contributor.authorSantesteban García, Luis Gonzaga
dc.contributor.funderEuropean Regional Development Fund
dc.contributor.funderInterreg
dc.contributor.orcidPina Sobrino, Ana [0000-0002-4988-9467]
dc.contributor.orcidIrisarri Sarto, Patricia [0000-0003-0773-5133]
dc.date.accessioned2026-03-26T17:30:12Z
dc.date.available2026-03-26T17:30:12Z
dc.date.issued2026-03-13
dc.date.updated2026-03-16T12:57:53Z
dc.description.abstractEvaluating graft quality in grapevine grafted plants is challenging because structural differences at the graft union are mostly internal. Conventional nursery assessments rely on external inspection, which provides limited information on vascular reconnection. This study applied two complementary approaches to characterise graft union quality: histological observations of callus and vascular development, and hydraulic conductance measurements. Trials were conducted in 2020 and 2021 with Tempranillo grafted onto 110 Richter. Five bench grafting methods were tested: omega with completely aligned cambium (OM-CA), omega with partially aligned cambium (OM-PA), V-shape (V), full cleft (FC), and hand-made whip and tongue (WTh). Histological analysis based on phenotyping of graft union vascular development were done at two time points, after the callusing phase and after field rooting, and hydraulic conductance was measured in one-year-old potted plants using a gravimetric flow–pressure method. Omega grafts, despite shorter contact surfaces, generally produced higher callus and a greater proportion of plants with complete vascular connection. OM-CA reached the most advanced vascular developmental categories, whereas V and WTh remained in intermediate stages and FC showed variable results. Hydraulic conductance did not differ among methods, although OM-CA displayed the highest and most uniform values. These results indicated that grafting efficiency depended more on cambial alignment and tissue differentiation than on the length of cambium surface. Combining scalable histological and hydraulic measurements offered a practical framework to assess graft quality in nursery trials and complemented advanced imaging approaches.
dc.description.peerreviewedSi
dc.description.sponsorshipEste trabajo ha contado con el apoyo de los proyectos EFA 324/19—VITES QUALITAS y EFA 033/01—VITRES, cofinanciados en un 65 % por el Fondo Europeo de Desarrollo Regional (FEDER) a través de los programas Interreg V-A España-Francia-Andorra (POCTEFA 2014–2020) y VI-A España-Francia-Andorra (POCTEFA 2021–2027), destinados a potenciar la integración económica y social transfronteriza.
dc.identifier.citationEvaluation of Grafting Method and Scion—Rootstock Alignment Effects on Anatomical Development and Hydraulic Properties of Grapevine (Vitis vinifera L.) Graft Unions. (s. f.). Recuperado 26 de marzo de 2026, de https://www.sciltp.com/journals/PlantEcophys/articles/2602003153
dc.identifier.doi10.53941/plantecophys.2026.100002
dc.identifier.issn2982-3102
dc.identifier.urihttps://doi.org/10.53941/plantecophys.2026.100002
dc.identifier.urihttps://hdl.handle.net/10532/8216
dc.language.isoen
dc.publisherScilight Press Pty Ltd
dc.relation.citaSi
dc.relation.publisherversionhttps://doi.org/10.53941/plantecophys.2026.100002
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.agrovocVitis vinífera
dc.subject.agrovocCambium
dc.subject.agrovocUnión del injerto
dc.subject.agrovocCultivo de callo
dc.subject.agrovocPropagación de plantas
dc.subject.agrovocSistema vascular de la planta
dc.subject.sdgHambre cero
dc.titleEvaluation of Grafting Method and Scion—Rootstock Alignment Effects on Anatomical Development and Hydraulic Properties of Grapevine (Vitis vinifera L.) Graft Unions
dc.typeartículo original
dc.type.hasVersionversión publicada

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