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The author(s) declare that financial support was received for the research, authorship, and/or publication of this article. This research was funded by the projects PCI2020-111966 and PID2020-115473RR-I00 funded by MCIN/AEI/10.13039/501100011033, Gobierno de Aragon-European Social Fund, European Union (Grupo Consolidado A12_23R), and Junta de Extremadura-Fondo Europeo de Desarrollo Regional (FEDER), Grupo de Investigacion (AGA021, GR21198). BG was supported by a fellowship of Consejo Nacional de Ciencia y Tecnologia of Mexico (CONACYT, 471839).

Analysis of institutional authors

Rodrigo García, Francisco JavierAuthorRodrigo, JavierAuthor

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June 15, 2024
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Perspectives on the adaptation of Japanese plum-type cultivars to reduced winter chilling in two regions of Spain

Publicated to:Frontiers In Plant Science. 15 1343593- - 2024-04-17 15(), DOI: 10.3389/fpls.2024.1343593

Authors: Guerrero, Brenda I; Fadon, Erica; Guerra, M Engracia; Rodrigo, Javier

Affiliations

Ctr Invest & Tecnol Agroalimentaria Aragon CITA, Dept Ciencia Vegetal, Zaragoza, Spain - Author
Ctr Invest Cient & Tecnol Extremadura CICYTEX A V, Ctr Invest Cient & Tecnol Extremadura CICYTEX, Area Fruticultura Mediterranea, Badajoz, Spain - Author
Univ Autonoma Chihuahua, Fac Ciencias Agrotecnol, Chihuahua, Mexico - Author
Univ Zaragoza, Inst Agroalimentario Aragon IA2, CITA, Zaragoza, Spain - Author

Abstract

Japanese plum, like other temperate fruit tree species, has cultivar-specific temperature requirements during dormancy for proper flowering. Knowing the temperature requirements of this species is of increasing interest due to the great genetic variability that exists among the available Japanese plum-type cultivars, since most of them are interspecific hybrids. The reduction of winter chilling caused by climate change is threatening their cultivation in many regions. In this work, the adaptation perspectives of 21 Japanese plum-type cultivars were analyzed in two of the main plum-growing regions in Spain, Badajoz and Zaragoza, to future climate conditions. Endodormancy release for subsequent estimation of chilling and heat requirements was determined through empirical experiments conducted during dormancy at least over two years. Chill requirements were calculated using three models [chilling hours (CH), chilling units (CU) and chilling portions (CP)] and heat requirements using growing degree hours (GDH). Chilling requirements ranged 277-851 CH, 412-1,030 CU and 26-51 CP, and heat requirements ranged from 4,343 to 9,525 GDH. The potential adaption of the cultivars to future warmer conditions in both regions was assessed using climate projections under two Representative Concentration Pathways (RCP), RCP4.5 (effective reduction of greenhouse gas emissions) and RCP8.5 (continuous increase in greenhouse gas emissions), in two time horizons, from the middle to the end of 21st century, with temperature projections from 15 Global Climate Models. The probability of satisfying the estimated cultivar-specific chilling requirements in Badajoz was lower than in Zaragoza, because of the lower chill availability predicted. In this region, the cultivars analyzed herein may have limited cultivation because the predicted reduction in winter chill may result in the chilling requirements not being successfully fulfilled.

Keywords

ApricotBotones de florBreakingBudsCalorChilling requirementsClimate projectionClimate projectionsDormancyDynamic modelEndodormancyFactores climáticosFlower budsFríoGenesHeat requirementsHeating requirementsLModelos dinámicosPrunus salicinaSalida de la latenciaTemperate fruit

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Frontiers In Plant Science 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 44/265, 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 2025-07-12:

  • WoS: 2
  • Scopus: 2
  • Europe PMC: 2

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 2025-07-12:

  • 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: 13.
  • 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: 23 (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: 1.85.
  • The number of mentions on the social network X (formerly Twitter): 3 (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/10532/6956

Leadership analysis of institutional authors

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

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 (Guerrero, Brenda I) and Last Author (Fadón Adrián, Erica).

the author responsible for correspondence tasks has been Guerrero, Brenda I.