Four‐year field study reveals variable effects of phytohormone‐ and natural‐based elicitors on anthocyanin metabolism in Tempranillo grapes
None of the treatments increased anthocyanin levels across seasons. Ethephon (Fruitel) showed greater effectiveness under temperature stress and reduced sugar accumulation, which may be advantageous in a warming climate. Natural elicitors like antioxidant-mannitol elicitor (Vitalfit) had short-term effects on gene expression but no lasting impact on anthocyanins. Further research is needed to assess their influence on other polyphenols and their potential for commercial use. © 2025 The Author(s). Journal of the Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
Authors
- J. Astrain
- Nazareth Torres (ORCID: https://orcid.org/0000-0002-0597-4635)
- Maite Loidi (ORCID: https://orcid.org/0000-0003-4761-1012)
- Luis Gonzaga Santesteban (ORCID: https://orcid.org/0000-0001-6924-6744)
- Sara Crespo‐Martínez (ORCID: https://orcid.org/0000-0002-4176-9866)
- C. Miranda (ORCID: https://orcid.org/0000-0001-7217-0859)
- Jorge Urrestarazu (ORCID: https://orcid.org/0000-0003-0849-6939)
Institutions
- Universidad Pública de Navarra (UPNA) (ES)
- Association for Research and Industrial Development of Natural Resources (ES)
Publication Details
- Journal
- Journal of the Science of Food and Agriculture
- Published
- 2025-08-08
- DOI
- https://doi.org/10.1002/jsfa.70050
- Primary Topic
- Horticultural and Viticultural Research
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Universidad Pública de Navarra