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  <leader>03845nab a2200301 i 4500</leader>
  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20251028180546.0</controlfield>
  <controlfield tag="008">251028b2020    bl.mr|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">0230</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Almeida Neto, Luiz A. </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Guiselini, Cristiane </subfield>
  </datafield>
  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Menezes, Dimas </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Cordeiro J&#xFA;nior, Jos&#xE9; J. F. </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Pandorfi, H&#xE9;liton </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Growth of pre-sprouted sugarcane seedlings submitted to supplementary lighting</subfield>
  </datafield>
  <datafield tag="500" ind1=" " ind2=" ">
    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 25 ref.; Sumaries (En, Pt)</subfield>
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ABSTRACT: Brazil is the largest producer and exporter of sugarcane in the world, and the sugar and ethanol sector has invested in the development of new technologies and methods of planting to meet the market demand. Thus, the aim of this study was to evaluate the performance of sugarcane at the acclimation phase and under field conditions, from pre-sprouted seedlings exposed to supplementary lighting, through lightemitting diode, in the period of acclimation in a greenhouse. The experiment was carried out in Carpina, PE, Brazil, from January to September 2017. The experimental plots were composed of pre-sprouted seedlings acclimated in greenhouse, exposed to the supplementary lighting systems, 90% Red + 10% Blue (R:B 90/10), 80% Red + 20% Blue (R:B 80/20), 70% Red + 30% Blue (R:B 70/30) and a control. The evaluation of seedling growth was performed through the measurement of biometric indicators: plant height (cm); stem length (cm); stem diameter (cm) and number of tillers. The biometric indicators showed no significant differences, but plants under lighting systems with a greater proportion of the red wavelength (R:B 80/20 and R:B 90/10) showed higher percentage of survival in the field. 

Key words: Sacharum officinarum, light-emitting diode, radiation quality</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
    <subfield code="a">

RESUMO: O Brasil &#xE9; o maior produtor e exportador de cana-de-a&#xE7;&#xFA;car do mundo e, o setor sucroenerg&#xE9;tico tem investido no desenvolvimento de novas tecnologias e m&#xE9;todos de plantio de cana-de-a&#xE7;&#xFA;car para atender &#xE0; demanda do mercado. Dessa forma, objetivou-se com esta pesquisa, avaliar o desempenho de cana-a&#xE7;&#xFA;car no final da fase de aclimata&#xE7;&#xE3;o e em campo, proveniente de mudas pr&#xE9;-brotadas expostas &#xE0; ilumina&#xE7;&#xE3;o suplementar &#xE0; base de diodo emissor de luz no per&#xED;odo de aclimata&#xE7;&#xE3;o em ambiente protegido. O experimento foi realizado em Carpina, PE, de janeiro a setembro de 2017. As parcelas experimentais foram compostas por mudas pr&#xE9;-brotadas em ambiente protegido, expostas aos sistemas de ilumina&#xE7;&#xE3;o suplementar, 90% vermelho + 10% azul (V:A 90/10), 80% vermelho + 20% azul (V:A 80/20), 70% vermelho + 30% azul (V:A 70/30) e o controle. A avalia&#xE7;&#xE3;o do crescimento das mudas foi realizada por meio de indicadores biom&#xE9;tricos: altura da planta (cm); comprimento do colmo (cm); di&#xE2;metro do colmo (cm) e o n&#xFA;mero de perfilhos. As vari&#xE1;veis biom&#xE9;tricas n&#xE3;o apresentaram diferen&#xE7;as significativas, no entanto, as plantas submetidas aos sistemas de ilumina&#xE7;&#xE3;o com maior propor&#xE7;&#xE3;o do comprimento de onda vermelho (V:A 80/20 e V:A 90/10), apresentaram maior percentual de sobreviv&#xEA;ncia no campo. 

Palavras-chave: Sacharum officinarum, diodo emissor de luz, qualidade de radia&#xE7;&#xE3;o</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CANA DE A&#xC7;&#xDA;CAR</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CRESCIMENTO</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">RADIA&#xC7;&#xC3;O LUMINOSA</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ACLIMATA&#xC7;&#xC3;O</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">3534</subfield>
    <subfield code="9">317784</subfield>
    <subfield code="d">Campina Grande-PB Universidade Federal de Campina Grande. Centro de Ci&#xEA;ncias e Tecnologia 1997</subfield>
    <subfield code="o">2024-4505</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. 24 (3) p. 194-199; (2020)</subfield>
    <subfield code="w">BR2025001682</subfield>
  </datafield>
  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://www.scielo.br/j/rbeaa/a/6TTBZkvMTm4DG6vC7WNxCQD/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">338842</subfield>
    <subfield code="d">338842</subfield>
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