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    <subfield code="a">Machado, Miler Soares </subfield>
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    <subfield code="a">Ferreira, Lino Roberto </subfield>
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    <subfield code="a">Pereira, Gustavo Ant&#xF4;nio Mendes </subfield>
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    <subfield code="a">Paula, Jos&#xE9; Lucas de </subfield>
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    <subfield code="a">Paix&#xE3;o, Gefferson Pereira da </subfield>
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    <subfield code="a">Freitas, Pedro Henrique Moreli de </subfield>
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    <subfield code="a">Fertiactyl P&#xF3;s&#xAE; como protetor do eucalipto submetido &#xE0; aplica&#xE7;&#xE3;o de glyphosate</subfield>
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Publica&#xE7;&#xE3;o online; 23 ref.; 9 illus.; Summaries (En, Pt)</subfield>
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RESUMO  -   O uso de ant&#xED;dotos capazes de proteger o eucalipto dos danos provocados pelo glyphosate permitir&#xE1; mudan&#xE7;as nas t&#xE9;cnicas de aplica&#xE7;&#xE3;o desse herbicida, tornando as opera&#xE7;&#xF5;es mais simples e com menor custo. Nesse sentido, o objetivo desta pesquisa &#xE9; utilizar o Fertiactyl P&#xF3;s&#xAE; como protetor em plantas de eucalipto submetidas &#xE0; aplica&#xE7;&#xE3;o de glyphosate. Para isso, foram estudadas varia&#xE7;&#xF5;es nas doses de Fertiactyl P&#xF3;s&#xAE; (0, 1, 2, 4 e 8 L ha-1) e de glyphosate (0, 90, 180, 360 e 720 g ha-1).  Os  tratamentos foram aplicados de modo que a calda pulverizada atingisse toda planta de eucalipto. Foram realizadas avalia&#xE7;&#xF5;es fisiol&#xF3;gicas no eucalipto aos 10, 33 e 55 dias ap&#xF3;s a aplica&#xE7;&#xE3;o, e aos 56 dias foram avaliadas a &#xE1;rea foliar, o conte&#xFA;do de nutrientes nas folhas e a massa de mat&#xE9;ria seca do eucalipto. Com o uso do Fertiactyl P&#xF3;s&#xAE; n&#xE3;o foram observadas intoxica&#xE7;&#xE3;o causadas pelo glyphosate no eucalipto em nenhuma das doses avaliadas. A aplica&#xE7;&#xE3;o da maior dose de glyphosate em mistura com 0,56 L ha-1 do Fertiactyl P&#xF3;s&#xAE; resultou em estimativa da massa de mat&#xE9;ria seca total de plantas igual &#xE0; testemunha e 6,6% mais que o uso de 720 g ha-1 do glyphosate sem o Fertiactyl P&#xF3;s&#xAE;. O uso do Fertiactyl P&#xF3;s&#xAE; foi eficiente na redu&#xE7;&#xE3;o dos danos causados pelo glyphosate at&#xE9; a dose de 720 g ha-1 em plantas de eucalipto, mas em doses acima deste valor esse produto pode prejudicar a cultura.   



Palavras-chave:       ant&#xED;dotos; controle qu&#xED;mico; Eucalyptus grandis; fitotoxidade</subfield>
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ABSTRACT  -   The use of antidotes capable of protecting eucalypt damage caused by glyphosate herbicide that allows changes in application techniques, making them simpler and cheaper operations. In this sense, the objective was to evaluate the protective effect of Fertiactyl P&#xF3;s&#xAE; on eucalypt plants submitted the application of glyphosate. The experiment was conducted in a completely randomized design with four replications in a factorial 5 x 5, and the factors dose Fertiactyl P&#xF3;s&#xAE; (0, 1, 2, 4 and 8 L ha-1) and glyphosate (0, 90, 180, 360 and 720 g ha-1). The treatments were applied such that the sprayed herbicide to reach all eucalypt plant. Physiological evaluations were carried out in the eucalypt at 10, 33 and 55 days after application (DAA). At 56 DAA, evaluated the leaf area, the content of nutrients in the leaves and dry mass of shoots and roots of eucalypt. Using the Fertiactyl P&#xF3;s&#xAE; were not observed visual effects of gyphosate in eucalypt in any of the evaluated doses. The application of the highest dose of glyphosate in mixture with 0.56 L ha-1 Fertiactyl P&#xF3;s&#xAE; resulted in estimated total dry matter equal to the control plants and 6.6% more than the use of 720 g ha-1 of glyphosate without Fertiactyl P&#xF3;s&#xAE;. The use of Fertiactyl P&#xF3;s&#xAE; was effective in reducing the damage glyphosate applied in eucalypt plants, however, at high doses, this product can damage this culture. 



Key words:       antidotes; chemical control; Eucalyptus grandis; phytotoxicity</subfield>
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    <subfield code="a">EUCALIPTO</subfield>
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    <subfield code="a">ERVA DANINHA</subfield>
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    <subfield code="a">HERBICIDA</subfield>
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    <subfield code="a">FITOTOXICIDADE</subfield>
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    <subfield code="a">ANT&#xCD;DOTO</subfield>
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    <subfield code="a">DEFESA VEGETAL</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">4656</subfield>
    <subfield code="9">360127</subfield>
    <subfield code="d">Recife-PE Universidade Federal Rural de Pernambuco 2006</subfield>
    <subfield code="o">2026-0515</subfield>
    <subfield code="t">Revista Brasileira de Ci&#xEA;ncias Agr&#xE1;rias (Brazil)</subfield>
    <subfield code="x">1981-1160</subfield>
    <subfield code="g">v. 12(2) p.; 194-201; (2017)</subfield>
    <subfield code="w">BR2025005567</subfield>
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    <subfield code="u">http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v12i2a5425/438</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">340020</subfield>
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