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  <leader>03885nab a2200361 i 4500</leader>
  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20250523121656.0</controlfield>
  <controlfield tag="008">250523b2024    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="a">F01</subfield>
    <subfield code="b">0940</subfield>
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    <subfield code="a">F40</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Rosa, Aline Mabel</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Benati, Mikael M&#xE1;rcio </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Souza, Daniel Antunes </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Fialho, Fl&#xE1;vio Bello </subfield>
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    <subfield code="a"> Marodin, Gilmar Arduino Bettio</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Santos, Henrique Pessoa dos </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Delayed winter pruning in &#x2018;Chardonnay&#x2019; and &#x2018;Pinot Noir&#x2019; (Vitis vinifera L.) in Serra Ga&#xFA;cha &#x2013; an alternative for late frost?</subfield>
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Publica&#xE7;&#xE3;o online; 30 ref.; 9 illus.; Summaries (En, Pt)</subfield>
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Abstract:    The use of early budding varieties in regions prone to late frosts may limit production in certain cycles. Since budburst begins in the apical buds, delaying winter pruning can be a management strategy to minimize frost risk. This study aimed to evaluate the effects of different pruning dates during the winter/spring transition in &#x2018;Chardonnay&#x2019; and &#x2018;Pinot Noir&#x2019; (Vitis vinifera L.) on yield components. Plants were trained using the I-trellis system, and pruned at 15-day intervals from July to October, using cordon spur pruning (two-bud spurs). Pruning conducted after the beginning of September, when apical shoots had more than three expanded leaves, significantly reduced (90%) the yield per plant. This reduction was directly associated with necrosis of primary buds in the base of canes, which stimulated sprouting of secondary or tertiary buds, which do not bear clusters. Delaying winter pruning could be an option for &#x2018;Chardonnay&#x2019; and &#x2018;Pinot Noir&#x2019;, but apical shoot development should be limited to 2-3 expanded leaves, in order to avoid production losses.


Index terms:    Viticultural management, grapevine development, grape production, sustainability</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
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Resumo:    A utiliza&#xE7;&#xE3;o de variedades de brota&#xE7;&#xE3;o precoce em regi&#xF5;es com ocorr&#xEA;ncia de geadas tardias pode restringir a produ&#xE7;&#xE3;o em alguns ciclos. Como a brota&#xE7;&#xE3;o tem in&#xED;cio nas gemas apicais, o atraso da poda hibernal pode ser uma estrat&#xE9;gia de manejo para minimizar-se este risco. Este trabalho teve como objetivos avaliar os efeitos de diferentes datas de poda durante a transi&#xE7;&#xE3;o inverno/primavera, em  Chardonnay&#x2019; e &#x2018;Pinot Noir&#x2019; (Vitis vinifera L.) sobre os componentes de rendimento. A condu&#xE7;&#xE3;o das plantas foi em espaldeira, com podas em cord&#xE3;o esporonado (espor&#xE3;o com duas gemas), realizadas de julho a outubro, em intervalos de 15 dias. As podas efetuadas ap&#xF3;s o in&#xED;cio de setembro, quando as brota&#xE7;&#xF5;es apicais j&#xE1; apresentavam mais de tr&#xEA;s folhas expandidas, promoveram uma redu&#xE7;&#xE3;o expressiva (90%) na produ&#xE7;&#xE3;o por planta. Essa redu&#xE7;&#xE3;o foi diretamente associada &#xE0; necrose dos cones prim&#xE1;rios nas gemas da base dos sarmentos, o que estimulou a brota&#xE7;&#xE3;o de gemas secund&#xE1;rias ou terci&#xE1;rias, que n&#xE3;o apresentam cachos. O atraso da poda hibernal pode ser uma op&#xE7;&#xE3;o para &#x2018;Chardonnay&#x2019; e &#x2018;Pinot Noir&#x2019;, mas o desenvolvimento das brota&#xE7;&#xF5;es apicais deve ser limitado a 2-3 folhas expandidas, para evitar perdas na produ&#xE7;&#xE3;o.


Termos para indexa&#xE7;&#xE3;o:   Manejo vitivin&#xED;cola, desenvolvimento das videiras, produ&#xE7;&#xE3;o de uva, sustentabilidade.</subfield>
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    <subfield code="a">UVA</subfield>
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    <subfield code="a">VARIEDADE</subfield>
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    <subfield code="a">CONDI&#xC7;&#xC3;O AMBIENTAL</subfield>
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    <subfield code="a">PODA</subfield>
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    <subfield code="a">PR&#xC1;TICA CULTURAL</subfield>
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    <subfield code="a">BROTA&#xC7;&#xC3;O</subfield>
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    <subfield code="a">PRODUTIVIDADE</subfield>
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    <subfield code="0">805</subfield>
    <subfield code="9">350483</subfield>
    <subfield code="d">Jaboticabal-SP Sociedade Brasileira de Fruticultura 1978</subfield>
    <subfield code="o">2025-3102</subfield>
    <subfield code="t">Revista Brasileira de Fruticultura (Brazil)</subfield>
    <subfield code="x">0100-2945</subfield>
    <subfield code="g">v. 46 p. 1-8; (2024)</subfield>
    <subfield code="w">BR2025002971</subfield>
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    <subfield code="u">https://www.scielo.br/j/rbf/a/wh4XWKVk67ZhhPvmTdGSWSF/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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