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dc.contributor.authorSOUSA, F. A. de
dc.contributor.authorSILVA, L. M. A. e
dc.contributor.authorALVES FILHO, E. de G.
dc.contributor.authorSILVA, F. R. da
dc.contributor.authorCANUTO, K. M.
dc.contributor.authorCARVALHO, R. de C. S.
dc.contributor.authorROCHA, K. A. D.
dc.contributor.authorFERNANDES, C. de F.
dc.contributor.authorARAGAO, F. A. S. de
dc.contributor.authorMARTINS, N. F.
dc.date.accessioned2026-08-01T21:12:28Z-
dc.date.available2026-08-01T21:12:28Z-
dc.date.created2026-04-08
dc.date.issued2026
dc.identifier.citationIndustrial Crops & Products, v. 241, 122562, 2026.
dc.identifier.issn1872-633X
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1186197-
dc.descriptionThe use of carbon quantum dots (CQDs) as biostimulants presents a promising tool for sustainable agriculture by enhancing plant metabolism and crop quality. Although, the precise metabolic mechanisms remain poorly un- derstood. In this study, we investigated the effects of CQD-based formulation on the growth and metabolic profile of Cucumis melo L. BRS Araguaia using NMR metabolomics along with metabolic pathway analysis. Agronomic and physicochemical parameters of the leaf and fruit samples under foliar application were assessed (fruit weight, total and internal diameter, pulp thickness, firmness, and ◦ Brix) at concentrations (0, 12, 24, 36, and 48 g/L) and three developmental stages. The resulting spectral data analyzed using multivariate statistical models reveals that foliar application significantly reduced methanol and sucrose/glucose while increasing citric acid across development stages. Analysis of the fruit pulp revealed a critical metabolic shift: treated plants exhibited an accumulation of simple sugars (glucose and fructose) and a decrease in sucrose, correlated with an increase in fruit ◦ Brix. These findings suggest that the CQDs enhance nutrient uptake and regulate growth at the molecular level. Additionally, NMR analysis of treated leaves and pulp revealed modifications in metabolic pathways, including carbohydrate metabolism, amino acid biosynthesis, and cell growth. We conclude that foliar application of CQD at 24 g/L is an effective strategy to improve melon fruit quality by enhancing sweetness. These findings could enhance agricultural practices, promote sustainability, and drive biotechnological inno- vation by optimizing resource use and strengthening plant resilience.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectCarbon quantum dots
dc.subjectPlant biostimulants
dc.subjectNMR metabolomics
dc.subjectNanotecnologia
dc.subjectCarbon quantum dot-based biostimulant
dc.subjectArbolina®
dc.subjectFoliar application of carbon quantum dots
dc.subjectBRS Araguaia melon
dc.subjectNMR-based metabolomics
dc.subjectMetabolic pathway analysis
dc.subjectPlant metabolic reprogramming
dc.subjectTotal soluble solids content
dc.subjectFruit sweetness
dc.subjectLeaf and fruit pulp metabolic profile
dc.subjectBioestimulante à base de pontos quânticos de carbono
dc.subjectAplicação foliar de pontos quânticos de carbono
dc.subjectMelão BRS Araguaia
dc.subjectMetabolômica baseada em RMN
dc.subjectAnálise de vias metabólicas
dc.subjectReprogramação metabólica vegetal
dc.subjectTeor de sólidos solúveis
dc.subjectDoçura do fruto
dc.subjectMetabolismo de carboidratos
dc.subjectPerfil metabólico de folhas e polpa
dc.titleEffects of carbon dots on Cucumis melo L. development: An NMR-based metabolomics and metabolic pathways analysis approach.
dc.typeArtigo de periódico
dc.subject.thesagroMelão
dc.subject.thesagroCucumis Melo
dc.subject.thesagroAdubação Foliar
dc.subject.thesagroMetabolismo Vegetal
dc.subject.nalthesaurusSustainable agriculture
dc.subject.nalthesaurusCucumis melo subsp. melo
dc.subject.nalthesaurusFoliar application
dc.subject.nalthesaurusMetabolomics
dc.subject.nalthesaurusNuclear magnetic resonance spectroscopy
dc.subject.nalthesaurusFruit quality
dc.subject.nalthesaurusPlant growth
dc.subject.nalthesaurusCarbohydrate metabolism
riaa.ainfo.id1186197
riaa.ainfo.lastupdate2026-07-31
dc.identifier.doihttps://doi.org/10.1016/j.indcrop.2025.122562
dc.contributor.institutionFRANCISCO ACÁCIO DE SOUSA, UNIVERSIDADE FEDERAL DO CEARÁ; LORENA MARA ALEXANDRE E SILVA, CNPAT; ELENILSON DE GODOY ALVES FILHO, UNIVERSIDADE FEDERAL DO CEARÁ; FABIANA RODRIGUES DA SILVA, UNIVERSIDADE FEDERAL RURAL DO SEMI-ÁRIDO; KIRLEY MARQUES CANUTO, CNPAT; RITA DE CASSIA SILVA CARVALHO, UNIVERSIDADE FEDERAL DO CEARÁ; KESYA AMANDA DANTAS ROCHA, UNIVERSIDADE FEDERAL DO CEARÁ; CLEBERSON DE FREITAS FERNANDES, CNPAT; FERNANDO ANTONIO SOUZA DE ARAGAO, CNPAT; NATALIA FLORENCIO MARTINS, CNPAT.
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