Cultivar and tissue-specific changes of abscisic acid, its catabolites and individual sugars during postharvest handling of flat peaches (Prunus persica cv. platycarpa)
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Autor/a
García-Pastor, María E.
Falagán, Natalia
Giné-Bordonaba, Jordi
Wójcik, Dorota A.
Terry, Leon A.
Alamar, M. Carmen
Fecha de publicación
2021-08-20ISSN
0925-5214
Resumen
The role of abscisic acid (ABA) during postharvest ripening of peaches remains unclear. This study aimed to investigate the temporal and tissue-specific changes in ABA, and ABA catabolites, of two flat peach cultivars, ‘Plane Sun’ and ‘Platibell’, during the stone fruit supply chain. The relationship between ABA catabolism, ethylene production, individual sugar changes and fruit firmness was also studied. We found that flat peaches can produce and metabolise ABA during postharvest ripening, and that this is cultivar and tissue dependent. Our results demonstrated that a burst in ABA concentration preceded that of ethylene production in ‘Plane Sun’ fruit, suggesting cross-talk between the two hormones. ABA and ethylene were both negatively correlated with fruit firmness, whilst sugar content, especially glucose, was only correlated with ABA. In conclusion, ABA may trigger ethylene production changes while also affecting sugar metabolism leading to fruit softening and over-ripening associated processes during stone fruit postharvest handling.
Tipo de documento
Artículo
Versión del documento
Versión aceptada
Lengua
English
Materias (CDU)
633 - Cultivos y producciones
Páginas
38
Publicado por
Elsevier
Publicado en
Postharvest Biology and Technology
Citación
García-Pastor, María E., Natalia Falagán, Jordi Giné-Bordonaba, Dorota A. Wójcik, Leon A. Terry, and M. Carmen Alamar. 2021. "Cultivar And Tissue-Specific Changes Of Abscisic Acid, Its Catabolites And Individual Sugars During Postharvest Handling Of Flat Peaches (Prunus Persica Cv. Platycarpa)". Postharvest Biology And Technology 181: 111688. doi:10.1016/j.postharvbio.2021.111688.
Program
Postcollita
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