Hormetic effect of glyphosate persists during the entire growth period and increases sugarcane yield

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Autor(es): dc.contributorUniv Minnesota-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorPincelli-Souza, Renata P.-
Autor(es): dc.creatorBortolheiro, Fernanda P. A. P. [UNESP]-
Autor(es): dc.creatorCarbonari, Caio A. [UNESP]-
Autor(es): dc.creatorVelini, Edivaldo D. [UNESP]-
Autor(es): dc.creatorSilva, Marcelo de A. [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T00:09:52Z-
Data de disponibilização: dc.date.available2022-02-22T00:09:52Z-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-02-18-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1002/ps.5775-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/196586-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/196586-
Descrição: dc.descriptionBACKGROUND Stimulation of plant growth by low doses of a toxic compound is defined as a hormetic effect. Exposure of plants to low doses of glyphosate can cause stimulatory effects on growth or other variables. Sugarcane is the major biofuel and sugar-production crop cultivated in Brazil, but its expansion to new areas is limited; therefore, there is a demand for new technologies to improve sugarcane production per unit area. The use of pesticides to stimulate growth through the hormetic effect might be a suitable strategy to increase sugarcane yields. The purpose of this research was to investigate the effect of a low dose of glyphosate on metabolic compound accumulation, leaf phosphorus (P) concentration, and morphological variables across a one-year sugarcane cycle, as well as to determine whether the glyphosate effect was sustained and effective in improving the yield and technological quality of the sugarcane at harvest. RESULTS The application of a low dose of glyphosate led to higher concentrations of shikimic acid and quinic acid, higher leaf P concentrations, and improved plant growth, yield, and technological quality of the sugarcane, by increasing the Brix% juice, pol% cane, total recoverable sugar, tons of culms per hectare, and tons of pol per hectare, relative to the results for an untreated control. CONCLUSIONS The increased growth stimuli, observed through several variables, promoted an improvement in sugarcane yield. Therefore, the application of a low dose of glyphosate to sugarcane is a promising practice for crop management. (c) 2020 Society of Chemical Industry-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionUniv Minnesota, Dept Hort Sci, St Paul, MN 55108 USA-
Descrição: dc.descriptionSao Paulo State Univ, Sch Agr Sci, Lab Ecophysiol Appl Agr, Dept Crop Prod & Breeding, Botucatu, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ, Sch Agr Sci, Weed Sci Lab, Dept Crop Prod & Breeding, Botucatu, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ, Sch Agr Sci, Lab Ecophysiol Appl Agr, Dept Crop Prod & Breeding, Botucatu, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ, Sch Agr Sci, Weed Sci Lab, Dept Crop Prod & Breeding, Botucatu, SP, Brazil-
Descrição: dc.descriptionCNPq: 551225/2010-6-
Descrição: dc.descriptionCNPq: 162258/2015-1-
Descrição: dc.descriptionCNPq: 305952/2018-8-
Formato: dc.format2388-2394-
Idioma: dc.languageen-
Publicador: dc.publisherWiley-Blackwell-
Relação: dc.relationPest Management Science-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectSaccharum spp-
Palavras-chave: dc.subjecthormesis-
Palavras-chave: dc.subjectisopropylamine salt of glyphosate-
Palavras-chave: dc.subjectlow dose-
Título: dc.titleHormetic effect of glyphosate persists during the entire growth period and increases sugarcane yield-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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