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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20250615120308.0</controlfield>
  <controlfield tag="008">250615b2020    bl.ar|pooa||| 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="b">0150</subfield>
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    <subfield code="a">F60</subfield>
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    <subfield code="a">Meirelles, Fl&#xE1;via Constantino </subfield>
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    <subfield code="a">Gonzaga, Alex Rangel </subfield>
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    <subfield code="a">Arf, Orivaldo </subfield>
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    <subfield code="a">Portugal, Jos&#xE9; Roberto </subfield>
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    <subfield code="a">Portugal, Amanda Ribeiro Peres </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Does growth regulator associated with fungicide interfere on productivity of upland rice?</subfield>
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Publica&#xE7;&#xE3;o online; 25 ref.; 4 illus.; 4 tables: Summaries (En, Pt)</subfield>
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ABSTRACT:   Management measures should be tested to increase the rice productivity, a staple foodthat is in increasing demand. The aim ofthis study was to evaluate the efficacy of different doses of a plant growth regulator, ethyl-trinexapac, combined with the application of the fungicides epoxiconazole + pyraclostrobin in reducing the height of rice plants to avoid lodging and increaserice yield. The experiment was conducted in a dystrophic Oxisol soil during two harvests(2010/2011 and 2011/2012). The study was arranged in a randomized block design, in a 4 &#xD7; 2 factorial scheme, with four replications. The factors considered were four doses oftrinexapac- ethyl(0, 25, 50, and 75 g ha-1active ingredient (a.i.)), with or without application offungicide (137.25 gha-1a.i.). The growth regulator caused a reduction in plant height in both harvests and affected the number of panicles per square meter in the second harvest. The fungicide had no effect on the productivity and yield components ofthe crop. 


KEYWORDS:   OryzasativaL., Epoxiconazole + pyraclostrobin, Ethyl-trinexapac, Lodging, Plants height</subfield>
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RESUMO:   Medidas de gest&#xE3;o devem ser testadas para aumentar a produtividade do arroz, um alimento b&#xE1;sico, que est&#xE1; em crescente demanda. O objetivo deste estudo foi avaliar a efic&#xE1;cia de diferentes doses de um regulador de crescimento de plantas, etil-trinexapac, combinado com a aplica&#xE7;&#xE3;o do fungicida, epoxiconazol+ piraclostrobina, na redu&#xE7;&#xE3;o da altura das plantas de arroz, para evitar o acamamento e aumentar o rendimento do arroz. O experimento foi conduzido em Latossolo Vermelho distr&#xF3;fico durante duas colheitas (2010/2011 e 2011/2012). O delineamento foi em blocos casualizados, em esquema fatorial4 &#xD7; 2, com quatro repeti&#xE7;&#xF5;es. Os fatores considerados foram quatro doses de etil-trinexapac (0, 25, 50 e 75 gha-1de ingrediente ativo (a.i.)), com ou sem aplica&#xE7;&#xE3;o de fungicida (137,25 g ha-1a.i.). O regulador de crescimento causou redu&#xE7;&#xE3;o na altura das plantas nas duas safras e afetou o n&#xFA;mero de pan&#xED;culas por metro quadrado no segundo ano de cultivo. O fungicida n&#xE3;o afetou os componentes de produtividade e rendimento da cultura. 


PALAVRAS-CHAVE:  Oryzasativa L, Epoxiconazol + piraclostrobina, Etil-trinexapac, Acamamento, Altura de plantas</subfield>
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    <subfield code="a">ARROZ</subfield>
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    <subfield code="a">REGULADOR DE CRESCIMENTO</subfield>
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    <subfield code="a">FUNGICIDA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PROPRIEDADE F&#xCD;SICO-QU&#xCD;MICA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">FISIOLOGIA VEGETAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PRODUTIVIDADE</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">3551</subfield>
    <subfield code="9">345998</subfield>
    <subfield code="d">Bel&#xE9;m-PA Faculdade de Ci&#xEA;ncias Agr&#xE1;rias do Par&#xE1; 1999</subfield>
    <subfield code="o">2024-6647</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. 63 p. 1-7; (2020)</subfield>
    <subfield code="w">BR2025003875</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://ajaes.ufra.edu.br/index.php/ajaes/article/view/3253/1601</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">332074</subfield>
    <subfield code="d">332074</subfield>
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