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Sugar metabolism in stone fruit: source-sink relationships and environmental and agronomical effects

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dc.citation.titleFrontiers in Plant Science
dc.citation.volume11
dc.creatorFalchi, Rachele
dc.creatorBonghi, Claudio
dc.creatorDrincovich, María Fabiana
dc.creatorFamiani, Franco
dc.creatorLara, María Valeria
dc.creatorWalker, Robert P.
dc.creatorVizzotto, Giannina
dc.date.accessioned2024-04-15T14:07:00Z
dc.date.available2024-04-15T14:07:00Z
dc.date.issued2023-11-13
dc.description.abstractThe partitioning of assimilates in fruits, which are economically important sink organs, is ruled by different physiological processes and affected by both environmental and agronomical factors. The bulk of the water and solutes, required for growth, is imported into fruits and seeds through xylem and phloem. In the stone fruits, five vascular bundles enter the base of the fruit, then dividing to supply either the flesh or the seed. The main sugars accumulated in stone fruits include fructose, glucose, and sucrose, along with other minor saccharides. The mechanisms of phloem loading in these fruit species have not been fully elucidated yet, but the available data hint either an apoplastic or a symplastic type or possibly a combination of both, depending on the species and the sugar considered. Similarly, phloem unloading mechanisms, elucidated for a small number of species, depend on genotype and developmental stage. Remarkably, key enzymes and transporters involved in the main sugars-conversion and transport pathways have received considerable attention. In stone fruit trees, the presence of an elevated number of fruits alters the source-sink balance, with a consequent intensification of competition among them and between vegetative and reproductive growth. The main environmental factors affecting this balance and the agronomical/artificial manipulations of source-sink relationships to achieve adequate fruit production and quality are reviewed.
dc.description.filFil: Falchi, Rachele. University of Udine. Department of Agricultural, Food, Environmental and Animal Sciences; Italy.
dc.description.filFil: Bonghi, Claudio. University of Padova Agripolis. Department of Agronomy, Food, Natural Resources, Animals and Environment; Italy.
dc.description.filFil: Drincovich, María Fabiana. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Estudios Fotosintéticos y Bioquímicos (CONICET-CEFOBI); Argentina.
dc.description.filFil: Famiani, Franco. Università degli Studi di Perugia. Dipartimento di Scienze Agrarie, Alimentari e Ambientali; Italy.
dc.description.filFil: Lara, María Valeria. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Estudios Fotosintéticos y Bioquímicos (CONICET-CEFOBI); Argentina.
dc.description.filFil: Walker, Robert P. Università degli Studi di Perugia. Dipartimento di Scienze Agrarie, Alimentari e Ambientali; Italy.
dc.description.filFil: Vizzotto, Giannina. University of Udine. Department of Agricultural, Food, Environmental and Animal Sciences; Italy.
dc.description.sponsorshipUniversity of Udine. Department of Agricultural, Food, Environmental, and Animal Sciences.
dc.format.extent1-14
dc.identifier.issn1664-462X
dc.identifier.urihttps://hdl.handle.net/2133/26879
dc.language.isoen
dc.publisherFrontiers Media
dc.relation.publisherversionhttps://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2020.573982/full
dc.relation.publisherversionhttps://doi.org/10.3389/fpls.2020.573982
dc.rightsopenAccess
dc.rights.holderFalchi, Rachele
dc.rights.holderBonghi, Claudio
dc.rights.holderDrincovich, María Fabiana
dc.rights.holderFamiani, Franco
dc.rights.holderLara, María Valeria
dc.rights.holderWalker, Robert P.
dc.rights.holderVizzotto, Giannina
dc.rights.holderUniversidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas
dc.rights.textAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAssimilates partitioning
dc.subjectPhloem loading/unloading
dc.subjectPhotosynthesis
dc.subjectWater flow
dc.subjectFertilization
dc.subjectPruning
dc.subjectThinning
dc.subjectRootstock
dc.titleSugar metabolism in stone fruit: source-sink relationships and environmental and agronomical effects
dc.typearticulo
dc.type.collectionarticulo
dc.type.versionpublishedVersion

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