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Grant support

This research was funded by the Fundação para a Ciência e Tecnologia (FCT) through the research unit Linking Landscape, Environment, Agriculture, and Food (LEAF), in the scope of the projects UID/AGR/04129/2019; UIDP/04129/2020, LEAF Exploratory Project MicroBerry, and through DL57/2016/CP1382/CT0024 to LC. M.V.A. received a grant from the Regional Mobility Programme of the Junta de Extremadura (MOV19A017) for this research, FEDER funds, and GR21196 and AGROS projects. A.F-R. received a grant from the Youth Employment Programme of the Ministry of Science, Innovation and Universities of the Government of Spain (PEJ2018-004265-A) and ESF.

Analysis of institutional authors

Zarrouk, OCorresponding Author

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Article

Canopy Architecture and Sun Exposure Influence Berry Cluster-Water Relations in the Grapevine Variety Muscat of Alexandria

Publicated to:Plants-Basel. 13 (11): 1500- - 2024-06-01 13(11), DOI: 10.3390/plants13111500

Authors: Zarrouk, O; Pinto, C; Alarcón, MV; Flores-Roco, A; Santos, L; David, TS; Amancio, S; Lopes, CM; Carvalho, LC

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Abstract

Climate-change-related increases in the frequency and intensity of heatwaves affect viticulture, leading to losses in yield and grape quality. We assessed whether canopy-architecture manipulation mitigates the effects of summer stress in a Mediterranean vineyard. The Vitis vinifera L variety Muscat of Alexandria plants were monitored during 2019-2020. Two canopy shoot-positioning treatments were applied: vertical shoot positioning (VSP) and modulated shoot positioning (MSP). In MSP, the west-side upper foliage was released to promote partial shoot leaning, shading the clusters. Clusters were sampled at pea size (PS), veraison (VER), and full maturation (FM). Measurements included rachis anatomy and hydraulic conductance (Kh) and aquaporins (AQP) and stress-related genes expression in cluster tissues. The results show significant seasonal and interannual differences in Kh and vascular anatomy. At VER, the Kh of the rachis and rachis+pedicel and the xylem diameter decreased but were unaffected by treatments. The phloem-xylem ratio was either increased (2019) or reduced (2020) in MSP compared to VSP. Most AQPs were down-regulated at FM in pedicels and up-regulated at VER in pulp. A potential maturation shift in MSP was observed and confirmed by the up-regulation of several stress-related genes in all tissues. The study pinpoints the role of canopy architecture in berry-water relations and stress response during ripening.

Keywords

AquaporinsCultivarsDrought stressFunctional-characterizationGene-expressionGrowthHistologyHydraulic conductivityIdentificationPhenologyPhloemStress-related genesTransportVitis viniferaXylem

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Plants-Basel due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position 46/265, thus managing to position itself as a Q1 (Primer Cuartil), in the category Plant Sciences.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-06-07:

  • Scopus: 1

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-07:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 15.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 15 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 1.75.
  • The number of mentions on the social network Facebook: 1 (Altmetric).
  • The number of mentions on the social network X (formerly Twitter): 2 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: http://hdl.handle.net/20.500.12327/3163

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Portugal.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (ZARROUK, OLFA) .

the author responsible for correspondence tasks has been ZARROUK, OLFA.