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Absorption and translocation of sulfometuron-methyl in sugarcane (Saccharum officinarum L.) at different growth stages.
Assis, Juliana Stéfani Jabur De; Tornisielo, Valdemar Luiz; Reis, Fabricia Cristina Dos; Martins, Bianca A B; Toledo, Roberto Estevão Bragion; Filho, Ricardo Victória.
Afiliação
  • Assis JSJ; a Department of Plant Science , University of São Paulo , Piracicaba , Brazil.
  • Tornisielo VL; b Laboratory of Ecotoxicology , Center of Nuclear Energy in Agriculture , Piracicaba , Brazil.
  • Reis FCD; b Laboratory of Ecotoxicology , Center of Nuclear Energy in Agriculture , Piracicaba , Brazil.
  • Martins BAB; b Laboratory of Ecotoxicology , Center of Nuclear Energy in Agriculture , Piracicaba , Brazil.
  • Toledo REB; a Department of Plant Science , University of São Paulo , Piracicaba , Brazil.
  • Filho RV; a Department of Plant Science , University of São Paulo , Piracicaba , Brazil.
J Environ Sci Health B ; 53(11): 746-750, 2018.
Article em En | MEDLINE | ID: mdl-29883252
In Brazil, weed management in sugarcane fields is mainly done with the use of selective herbicide formulations. For many years, diuron+hexazinone was one of the main herbicide mixture formulations used in sugarcane. Later, sulfometuron-methyl was included in the same mixture, which was marketed as a new herbicide formulation for residual in-season weed control in sugarcane. The mixture diuron+hexazinone+sulfometuron-methyl has been widely used in commercial sugarcane fields in Brazil. However, recent field observations have shown that sugarcane plants at different growth stages varied in their phytotoxicity levels after treatment with diuron+hexazinone+sulfometuron-methyl. Greenhouse and laboratory studies were conducted to determine 14Csulfometuron-methyl absorption and translocation, as well as 14C distribution in sugarcane at two growth stages, 2 to 3 leaves and 5 to 6 leaves. 14Csulfometuron-methyl absorption by sugarcane did not differ between the two growth stages. Different patterns of 14C accumulation were observed, which may explain variations in sulfometuron-methyl phytotoxic responses observed in the field.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Compostos de Sulfonilureia / Saccharum / Herbicidas País/Região como assunto: America do sul / Brasil Idioma: En Revista: J Environ Sci Health B Ano de publicação: 2018 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
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PubMed Links
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Compostos de Sulfonilureia / Saccharum / Herbicidas País/Região como assunto: America do sul / Brasil Idioma: En Revista: J Environ Sci Health B Ano de publicação: 2018 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido