Silicon attenuates abiotic stress caused by ammonium toxicity but not nitrogen deficiency in cotton plants

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniv Fed Triangulo Mineiro-
Autor(es): dc.contributorUniversidade Federal de Mato Grosso do Sul (UFMS)-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.contributorUniv Fed Piaui-
Autor(es): dc.creatorLeal, Aguinaldo Jose Freitas-
Autor(es): dc.creatorBarreto, Rafael Ferreira-
Autor(es): dc.creatorMello Prado, Renato de [UNESP]-
Autor(es): dc.creatorSilva Junior, Gabriel Barbosa da-
Autor(es): dc.creatorBarreto, Claudio Ferreira [UNESP]-
Autor(es): dc.creatorSantos, Luiz Claudio Nascimento dos [UNESP]-
Autor(es): dc.creatorCampos, Cid Naudi Silva-
Data de aceite: dc.date.accessioned2022-02-22T00:56:12Z-
Data de disponibilização: dc.date.available2022-02-22T00:56:12Z-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-05-11-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1111/jac.12499-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/209381-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/209381-
Descrição: dc.descriptionAlthough N - NO3- predominates in many soils, compared to N - NH4+, the fluctuations in the forms and concentrations of N can expose to N deficiency in plants in general and NH4+ toxicity in NH4+ sensitive plants. However, a strategy to mitigate nutritional disorders of N is to utilize Si. We aimed to verify if Si attenuates N deficiency and NH4+ toxicity in cotton plants grown in nutrient solution. The treatments followed a 5 x 2 factorial scheme, with five concentrations of NH4+ (1.0; 7.5; 15.0; 22.5 and 30.0 mmol/L) combined with the absence and presence of Si (1 mmol/L), arranged in a completely randomized design with four replications. Without Si, the largest shoot dry mass occurred at 16 mmol/L NH4+, increased by 47%, compared to 1 mmol/L NH4+ and decreased by 37% compared to 30 mmol/L NH4+. With Si, the largest shoot dry mass was observed at 20 mmol/L NH4+, increased by 52% compared to 1 mmol/L NH4+ and decreased by 14% compared to 30 mmol/L NH4+. In addition, in the highest concentration of NH4+, plants with Si exhibited a higher shoot dry mass relative to plants with no Si supplementation due to decreased electrolyte leakage index and increased use efficiency of N and K. Cotton plants were tolerant to high NH4+ concentrations (approximate to 15 mmol/L). Si attenuates abiotic stress caused by NH4+ toxicity (30 mmol/L) but not N deficiency in cotton plants.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionUniv Fed Triangulo Mineiro, Iturama, Brazil-
Descrição: dc.descriptionUniv Fed Mato Grosso do Sul, Rod MS 306,Km 105, BR-79560000 Chapadao Do Sul, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, Dept Ciencias Prod Agr, Jaboticabal, Brazil-
Descrição: dc.descriptionUniv Fed Piaui, Dept Fruticultura, Teresina, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, Dept Ciencias Prod Agr, Jaboticabal, Brazil-
Formato: dc.format8-
Idioma: dc.languageen-
Publicador: dc.publisherWiley-Blackwell-
Relação: dc.relationJournal Of Agronomy And Crop Science-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectbeneficial element-
Palavras-chave: dc.subjectGossypium hirsutum-
Palavras-chave: dc.subjectnitrogen fertilization-
Palavras-chave: dc.subjectnutritional stress-
Título: dc.titleSilicon attenuates abiotic stress caused by ammonium toxicity but not nitrogen deficiency in cotton plants-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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