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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20251001150824.0</controlfield>
  <controlfield tag="008">251001b2021    bl.mr|nooa||| 00| 0 eng |</controlfield>
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    <subfield code="a">BR-BrBNA</subfield>
    <subfield code="b">eng</subfield>
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    <subfield code="a">F01</subfield>
    <subfield code="b">3305</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Marques, Ricardo F. </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Marchi, Sidnei R. de </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Martins, Dagoberto </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Development of lawns in response to applications of imazapic alone or combined with imazapyr</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 19 ref.; 6 tables; Sumaries (En, Pt) 

 </subfield>
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ABSTRACT: Successive mowings are the major maintenance cost of lawns. These costs have led to the search for alternatives to mechanical management. This study aimed to determine the effects of imazapic herbicide doses applied alone or combined with imazapyr as a growth regulator of Tifton 419 and Zoysia grasses. The experimental design was randomized blocks with four replicates, and the treatments consisted of four doses of herbicide imazapic applied alone (35; 70; 105 and 140 g a.i. ha-1) and three doses of imazapic + imazapyr mixture (7.875 + 2.625; 15.57 + 5.25 and 23.625 + 7.875 g a.i. ha-1) in two sequential applications on both grass lawns. Visible injury symptoms, canopy height, height and number of inflorescences, and total dry matter of clippings were determined. Applications of imazapic alone or combined with imazapyr effectively reduced all morphological variables of Tifton 419 grass. Imazapic applied alone or mixed with imazapyr provided adequate control of growth and quantity of dry matter of Zoysia grass clippings. Still, with some application doses of this herbicide, the number of inflorescences present in the lawns increased. 

Key words: Cynodon dactylon &#xD7; C. transvaalensis, Zoysia japonica, bermuda grass, zoysia grass</subfield>
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RESUMO: Opera&#xE7;&#xF5;es sucessivas de corte s&#xE3;o os principais custos na manuten&#xE7;&#xE3;o de gramados. O disp&#xEA;ndio com os cortes leva &#xE0; busca por alternativas para o manejo mec&#xE2;nico. O presente estudo teve por objetivo estudar os efeitos de doses do herbicida imazapic aplicado isolado ou em associa&#xE7;&#xE3;o com imazapyr, como regulador de crescimento das gramas Tifton 419 e Esmeralda. Adotou-se o delineamento experimental de blocos casualizados, com quatro repeti&#xE7;&#xF5;es e os tratamentos constitu&#xED;ram de quatro doses do herbicida imazapic isolado (35; 70; 105 e 140 g i.a. ha-1) e tr&#xEA;s doses da associa&#xE7;&#xE3;o de imazapic + imazapyr (7,875 + 2,625; 15,57 + 5,25 e 23,625 + 7,875 g i.a. ha-1) em duas aplica&#xE7;&#xF5;es sequenciais para ambas as esp&#xE9;cies. Avaliaram-se os sintomas visuais de inj&#xFA;ria, a altura do dossel, a altura e o n&#xFA;mero de infloresc&#xEA;ncias e a mat&#xE9;ria seca total das aparas. As aplica&#xE7;&#xF5;es de imazapic isolado ou em associa&#xE7;&#xE3;o com imazapyr foram efetivas na redu&#xE7;&#xE3;o de todas as vari&#xE1;veis morfol&#xF3;gicas da grama Tifton 419. O imazapic aplicado isolado ou associado ao imazapyr proporcionou controle satisfat&#xF3;rio do crescimento e da quantidade de mat&#xE9;ria seca das aparas da grama Esmeralda, no entanto, algumas doses desse herbicida aumentaram o n&#xFA;mero de infloresc&#xEA;ncias presentes nos gramados. 

Palavras-chave: Cynodon dactylon &#xD7; C. transvaalensis, Zoysia japonica, grama bermuda, grama esmeralda</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">GRAMA BERMUDA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">GRAMA ESMERALDA</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">REGULADOR DE CRESCIMENTO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">MAT&#xC9;RIA SECA</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">3534</subfield>
    <subfield code="9">317815</subfield>
    <subfield code="d">Campina Grande-PB Universidade Federal de Campina Grande. Centro de Ci&#xEA;ncias e Tecnologia 1997</subfield>
    <subfield code="o">2024-4534</subfield>
    <subfield code="t">Revista Brasileira de Engenharia Agr&#xED;cola e Ambiental (Brazil)</subfield>
    <subfield code="x">1415-4366</subfield>
    <subfield code="g">v. 25 (11) p. 724-732; (2021) </subfield>
    <subfield code="w">BR2025002090 </subfield>
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    <subfield code="u">chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.scielo.br/j/rbeaa/a/yL8N47g7Nv8mknX3yM8tW6s/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">338508</subfield>
    <subfield code="d">338508</subfield>
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