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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20241119105809.0</controlfield>
  <controlfield tag="008">241119b2021    bl.ar|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="b">eng</subfield>
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    <subfield code="a">Pietrobon, Alex Junior </subfield>
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    <subfield code="a">Duarte J&#xFA;nior, Jos&#xE9; Barbosa </subfield>
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    <subfield code="a">Kuhn, Odair Jos&#xE9; </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Chemical products for corn bacterial streak control</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o online; 23 ref.; 4 tables; 3 illus.;  Summaries (En, Pt)</subfield>
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ABSTRACT - Xanthomonas vasicola pv. vasculorum is one of the main bacterial diseases in corn, which causes damage to crops due to its fast dissemination and difficult control. This study aimed to evaluate the effects of chemical products on its control and corn grain yield. The experimental design was randomized blocks, in a 2 x 7 factorial arrangement, with three replications. The first factor consisted of the corn hybrids P30F53VYHR (more resistant to the disease) and P4285VYHR (more susceptible) and the second one of six active ingredients (kasugamycin, sulfur, cuprous oxide, copper oxychloride, quaternary ammonia and potassium phosphite) and one control (no application). The obtained data were used to estimate the area under the disease progress curve. The products based on quaternary ammonia, cuprous oxide, copper oxychloride and kasugamycin provided a greater disease control. P30F53VYHR presented a higher grain yield than that for P4285VYHR. Therefore, the use of a genetically resistant hybrid is an efficient alternative for the management of this bacteriosis.


KEYWORDS: Xanthomonas vasicola pv. vasculorum, Zea mays, genetic control.</subfield>
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RESUMO - Produtos qu&#xED;micos no controle de estria bacteriana do milho -  Xanthomonas vasicola pv. vasculorum &#xE9; uma das principais bacterioses na cultura do milho, a qual causa danos &#xE0;s lavouras, devido &#xE0; sua r&#xE1;pida dissemina&#xE7;&#xE3;o e dif&#xED;cil controle. Objetivou-se avaliar o efeito de produtos qu&#xED;micos no seu controle e na produtividade de gr&#xE3;os de milho. O delineamento experimental foi em blocos casualizados, em esquema fatorial 2 x 7, com tr&#xEA;s repeti&#xE7;&#xF5;es. O primeiro fator foi constitu&#xED;do pelos h&#xED;bridos de milho P30F53VYHR (mais resistente &#xE0; doen&#xE7;a) e P4285VYHR (mais suscet&#xED;vel) e o segundo por seis ingredientes ativos (casugamicina, enxofre, &#xF3;xido cuproso, oxicloreto de cobre, am&#xF4;nia quatern&#xE1;ria e fosfito de pot&#xE1;ssio) e uma testemunha (sem aplica&#xE7;&#xE3;o). Os dados obtidos foram utilizados para estimar a &#xE1;rea abaixo da curva de progresso da doen&#xE7;a. Os produtos &#xE0; base de am&#xF4;nia quatern&#xE1;ria, &#xF3;xido cuproso, oxicloreto de cobre e casugamicina proporcionaram maior controle da doen&#xE7;a. P30F53VYHR apresentou produtividade de gr&#xE3;os superior &#xE0; de P4285VYHR. Portanto, o uso de h&#xED;brido geneticamente resistente representa uma alternativa eficiente ao manejo dessa bacteriose.


PALAVRAS-CHAVE: Xanthomonas vasicola pv. vasculorum, Zea mays, controle gen&#xE9;tico.</subfield>
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    <subfield code="a">MILHO</subfield>
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    <subfield code="a">VARIEDADE RESISTENTE</subfield>
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    <subfield code="a">DOEN&#xC7;A DE PLANTA</subfield>
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    <subfield code="a">BACTERIOSE</subfield>
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    <subfield code="a">CONTROLE GEN&#xC9;TICO</subfield>
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    <subfield code="0">3248</subfield>
    <subfield code="9">317347</subfield>
    <subfield code="d">Goi&#xE2;nia-GO UFG. Escola de Agronomia 1999</subfield>
    <subfield code="o">2024-3999</subfield>
    <subfield code="t">Pesquisa Agropecu&#xE1;ria Tropical (Brazil)</subfield>
    <subfield code="x">1517-6398</subfield>
    <subfield code="g">v. 51 p. 1-7; (2021)</subfield>
    <subfield code="w">BR2024003463</subfield>
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    <subfield code="u">https://www.scielo.br/j/pat/a/DTvsDgxTwMYTjyrfGSfW4fb/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">328708</subfield>
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