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Authors
Guillamón, Jesús Guillamón
Prudencio, Ángela Sánchez
Yuste, José Enrique
Dicenta, Federico
Sánchez-Pérez, Raquel https://orcid.org/0000-0003-1606-3121
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Funding
Funding for this research was provided by:
Ministerio de Agricultura y Pesca, Alimentación y Medio Ambiente
Ministerio de Economía y Competitividad
Villum Fonden
Fundación Tatiana Pérez de Guzmán el Bueno
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Article History
Received: 11 July 2020
Revised: 16 October 2020
Accepted: 20 October 2020
First Online: 1 December 2020
Conflict of interest
: The authors declare that they have no conflict of interest.
: Endodormancy is a protector state that allows trees to survive under low winter temperatures. Its release relies on the accumulation of a specific quantity of chill units. This study aims to be the first approach in the discovery of a biomarker for endodormancy release in almond. Thanks to nontargeted metabolomics analysis, we detected a significant increase in prunasin and ascorbic acid during endodormancy release in the four cultivars studied. Further studies will focus on the validation of these proposed biomarkers with a wider scope, and the test and development of endodormancy modulators that would bring forward or delay endodormancy release. The results would enable us to adapt <i>Prunus</i> spp. culture to a climate-change scenario in which low chilling and late frosts would endanger their production.
