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  <leader>03927nab a2200325 i 4500</leader>
  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20250602093008.0</controlfield>
  <controlfield tag="008">250602b2018    bl.ar|pooa||| 00| 0 por |</controlfield>
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    <subfield code="b">3876</subfield>
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    <subfield code="a">Oliveira, Thiago Lucas de </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Senoski, Marcelo de Paula </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Assis, Ana Caroline de Lourdes Pereira</subfield>
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    <subfield code="a">Miranda, Valesca Pinheiro de </subfield>
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    <subfield code="a"> Melo, Christiane Augusta Diniz</subfield>
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    <subfield code="a">Reis, Marcelo Rodrigues dos </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Sele&#xE7;&#xE3;o de esp&#xE9;cies bioindicadoras do herbicida ethoxysulfuron</subfield>
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Publica&#xE7;&#xE3;o online; 29 ref.; 5 illus; Summaries  (En, Pt)</subfield>
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RESUMO:    A sele&#xE7;&#xE3;o de esp&#xE9;cies bioindicadoras do ethoxysulfuron pode viabilizar o estudo do comportamento deste herbicida no solo pela t&#xE9;cnica de bioensaio, constituindo assim o objetivo deste trabalho. Utilizou-se o delineamento inteiramente casualizado, com quatro repeti&#xE7;&#xF5;es,  em  que  quatro  esp&#xE9;cies  vegetais  (sorgo,  pepino,  beterraba  e  tomate)  foram  cultivadas em solo submetido &#xE0; aplica&#xE7;&#xE3;o de seis doses de ethoxysulfuron (0; 18,75; 37,5; 75; 112,5 e 150 g ha-1). Avaliou-se a fitointoxica&#xE7;&#xE3;o, altura de plantas (ALT) e mat&#xE9;ria seca da parte a&#xE9;rea (MSPA), da raiz (MSR) e total (MST). Foram observados diferentes n&#xED;veis de toler&#xE2;ncia das esp&#xE9;cies ao herbicida: o aumento das doses de ethoxysulfuron reduziu as vari&#xE1;veis ALT, MSPA, MSR e MST e aumentou a fitointoxica&#xE7;&#xE3;o para pepino, beterraba e tomate. O sorgo apresentou baixa sensibilidade ao herbicida. As maiores doses avaliadas inibiram o crescimento em altura e o ac&#xFA;mulo de mat&#xE9;ria seca do pepino. A beterraba se comportou como esp&#xE9;cie extremamente sens&#xED;vel, com redu&#xE7;&#xE3;o de 100% em ALT e mat&#xE9;ria seca  a  partir  da  segunda  menor  dose  (37,5  g  ha-1).  Entre  as  esp&#xE9;cies  avaliadas,  o  pepino  apresenta maior potencial para uso como bioindicadora em estudos com ethoxysulfuron


PALAVRAS-CHAVE:   Bioensaio, Sulfonilureia, Plantas teste</subfield>
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ABSTRACT:     The  selection  of  bioindicator  species  for  ethoxysulfuron  can  enable  the  study  of  the  behavior  of  this  herbicide  in  the  soil  through  the  bioassay  technique.  Thus,  this study aimed to select species with potential for use as bioindicators of the presence of this herbicide in the soil. A completely randomized design with four replications was used in which four plant species (sorghum, cucumber, beet and tomato) were cultivated in soil submitted to the application of six doses of ethoxysulfuron (0, 18.75, 37.5, 75, 112.5 and 150 g ha-1). Phytotoxicity, plant height (PH), shoot dry matter (SDM), root dry matter (RDM) and total dry matter (TDM) were evaluated. Different levels of tolerance of the species to ethoxysulfuron were observed: the increased doses of ethoxysulfuron reduced PH, SDM, RDM and TDM, as well as increased phytotoxicity for cucumber, beet and tomato. Sorghum showed low sensitivity to the herbicide. The highest doses inhibited the growth in height and the accumulation of dry matter of cucumber. Beet behaved as an extremely sensitive species, with a reduction of 100% in PH and dry matter in the second lowest dose (37.5 g ha-1). Among the evaluated species, the cucumber has greater potential for use as bioindicator in studies with ethoxysulfuron


KEYWORDS:   Bioassay, Sulphonylurea,Test plants</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">HERBICIDA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ERVA DANINHA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">RES&#xCD;DUO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">AN&#xC1;LISE DO SOLO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">DEFESA VEGETAL</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">3551</subfield>
    <subfield code="9">345996</subfield>
    <subfield code="d">Bel&#xE9;m-PA Faculdade de Ci&#xEA;ncias Agr&#xE1;rias do Par&#xE1; 1999</subfield>
    <subfield code="o">2024-6645</subfield>
    <subfield code="t">Revista de Ci&#xEA;ncias Agr&#xE1;rias (Brazil)</subfield>
    <subfield code="x">1517-591X Impresso/Vers&#xE3;o online ISSN 2177-8760</subfield>
    <subfield code="g">v. 61 p. 1-8; (2018)</subfield>
    <subfield code="w">BR2025001386</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://ajaes.ufra.edu.br/index.php/ajaes/article/view/2613/1524</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">331854</subfield>
    <subfield code="d">331854</subfield>
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