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Paino, Eduardo NotivolAuthor

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July 31, 2025
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Summer Drought Delays Leaf Senescence and Shifts Radial Growth Towards the Autumn in Corylus Taxa

Publicated to:Forests. 16 (6): 907- - 2025-05-28 16(6), DOI: 10.3390/f16060907

Authors: Vander Mijnsbrugge, Kristine; Pareijn, Art; Moreels, Stefaan; Moreels, Sharon; Buisset, Damien; Vancampenhout, Karen; Paino, Eduardo Notivol

Affiliations

Agrifood Res & Technol Ctr Aragon CITA, Dept Environm Agr & Forest Syst, Zaragoza 50059, Spain - Author
Katholieke Univ Leuven, Dept Earth & Environm Sci, Campus Geel Kleinhoefstr 4, B-2440 Geel, Belgium - Author
Res Inst Nat & Forest, Dept Forest Ecol & Management, B-9500 Geraardsbergen, Belgium - Author

Abstract

Background: Understanding the mechanisms by which woody perennials adapt to extreme water deficits is important in regions experiencing increasingly frequent and intense droughts. Methods: We investigated the effects of drought severity in the shrubs Corylus avellana L., C. maxima Mill., and their morphological intermediate forms, all from local Belgian origin, and C. avellana from a Spanish-Pyrenean origin. Potted saplings in a common garden were not receiving any water for a duration of 30 days in July 2021 and developed a range of visual stress symptoms. We assessed responses across the various symptom categories. Results: Droughted plants senesced later than the controls (up to 6 days). The most severely affected plants disproportionately displayed the longest delay (21 days). The delayed leaf senescence was reflected in the subsequent bud burst which was delayed for the droughted plants, with again the largest delay observed for the most severely affected plants. Interestingly, radial growth shifted towards the autumn among the drought-treated plants, suggesting compensation growth after growing conditions normalized. The Spanish-Pyrenean provenance, characterized by smaller plants with smaller leaves, developed visual drought symptoms later than the local provenance during the drought. Conclusions: The results indicate that severe early summer drought, followed by rewatering, not only diminishes radial growth but also prolongs the growth period, and delays leaf senescence. A prolonged time frame for radial growth and a delayed leaf senescence indicate a longer period in which carbon is incorporated in woody tissue or in non-structural carbohydrates. This can help the fine tuning of carbon sequestration modeling. The Pyrenean provenance, adapted to high altitude, holds an advantage under water-limited conditions.

Keywords

AdaptationAutumnal leaf senescenceBrotaciónBud burstClimateCorylus avellanaDroughtHazelHojasIdentificación genéticaIncremento de diámetroMorphological leaf traitPopulation differentiationRadial growthRecoverResponsesSequíaVisual stress symptoms

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Forests due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2025, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category .

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 2025-09-09:

  • 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: 1.
  • 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: 1 (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.

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:

Leadership analysis of institutional authors

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

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: Last Author (Notivol Paino, Eduardo).