Foliar application of rare earth elements on soybean (Glycine max (L)): Effects on biometrics and characterization of phytotoxicity

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Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorRodrigues, Eduardo S.-
Autor(es): dc.creatorMontanha, Gabriel S.-
Autor(es): dc.creatorMarques, João P.R.-
Autor(es): dc.creatorde Almeida, Eduardo-
Autor(es): dc.creatorYabuki, Lauren N.M. [UNESP]-
Autor(es): dc.creatorMenegário, Amauri A. [UNESP]-
Autor(es): dc.creatorPereira de Carvalho, Hudson W.-
Data de aceite: dc.date.accessioned2022-02-22T00:23:50Z-
Data de disponibilização: dc.date.available2022-02-22T00:23:50Z-
Data de envio: dc.date.issued2020-12-11-
Data de envio: dc.date.issued2020-12-11-
Data de envio: dc.date.issued2020-10-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.jre.2019.09.004-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/198180-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/198180-
Descrição: dc.descriptionThis study aims at investigating the effects of foliar application of aqueous solutions of La3+ and Ce3+ nitrates on soybean plants (Glycine max). First, we observe that Triton HW 1000 surfactant at 0.01 vol% reduces droplets contact angle and increases their drying time. Under greenhouse conditions, the foliar treatments do not affect chlorophyll content, plant height, number of leaves, number of pods, number of seeds per pod, and average seed weight. However, the treatments induce phytotoxicity since foliar injuries appear after the spraying. Microprobe X-ray fluorescence spectroscopy combined to scanning electron microscopy shows that the leaf lesions are positively correlated to accumulation of Ce and La on the leaf surface and also promote structural alteration to the epidermal cells. X-ray absorption near edge structure shows that the La and Ce nitrates are partially bio transformed into oxides by the leaves which might explain the harmful effects.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionLaboratory of Nuclear Instrumentation (LIN) Center for Nuclear Energy in Agriculture (CENA) University of São Paulo (USP)-
Descrição: dc.descriptionEnvironmental Studies Center São Paulo State University (UNESP)-
Descrição: dc.descriptionEnvironmental Studies Center São Paulo State University (UNESP)-
Descrição: dc.descriptionFAPESP: 2015-19121-8-
Descrição: dc.descriptionCNPq: 407380/2016-7-
Formato: dc.format1131-1139-
Idioma: dc.languageen-
Relação: dc.relationJournal of Rare Earths-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectLeaf fertilization-
Palavras-chave: dc.subjectRare earth elements-
Palavras-chave: dc.subjectSoybean-
Palavras-chave: dc.subjectX-ray absorption spectroscopy-
Palavras-chave: dc.subjectX-ray fluorescence spectroscopy-
Título: dc.titleFoliar application of rare earth elements on soybean (Glycine max (L)): Effects on biometrics and characterization of phytotoxicity-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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