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  <leader>03350nab a2200313 i 4500</leader>
  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20241111211725.0</controlfield>
  <controlfield tag="008">241111b2016    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">F60</subfield>
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    <subfield code="a">K10</subfield>
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    <subfield code="a">Meira, Messulan Rodrigues </subfield>
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    <subfield code="a">Martins, Ernane Ronie </subfield>
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    <subfield code="a">Resende, Luciane Vilela </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Physical and physiological quality of the Lippia rotundifolia seeds  according to the osmotic conditioning and electrical conductivity</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 30 ref.; Sumaries (En, Pt)</subfield>
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ABSTRACT - Lippia rotundifolia is a native species of the Cerrado, endemic to the chain backbone and highly aromatic, whose essential oil has medicinal properties of high pharmacological value, but because it is a non-domesticated species, little is known about its spread. Due to its importance, the objective was to evaluate the effect of the osmotic conditioning on the physical and physiological quality of seeds. The experimental design was completely randomized with four replications of 100 seeds, being treatments consisted of two kinds of seeds (with and without tegument) subjected to ten days of immersion in water (0, 2, 4, 6, 12, 24, 48, 72, 96 and 120 hours). After each period, the seeds were submitted to the electrical conductivity test and germination. Electrical conductivity and germination there is a directly proportional relationship, while the best osmotic conditioning time is achieved with the seed husk and immersed in water for 48 hours.

Key words: tea-of-pedestrian, germination, vigor test, electrical conductivity.</subfield>
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RESUMO - Lippia rotundifolia &#xE9; uma esp&#xE9;cie nativa do Cerrado, end&#xEA;mica da cadeia do espinha&#xE7;o e altamente arom&#xE1;tica, cujo &#xF3;leo essencial possui propriedades medicinais de alto valor farmacol&#xF3;gico, mas, por tratar-se de uma esp&#xE9;cie n&#xE3;o domesticada, pouco se sabe quanto a sua propaga&#xE7;&#xE3;o. Devido a sua import&#xE2;ncia, objetivou-se avaliar o efeito do condicionamento osm&#xF3;tico sobre a qualidade f&#xED;sica e fisiol&#xF3;gica de suas sementes. O delineamento experimental foi o inteiramente casualizado com quatro repeti&#xE7;&#xF5;es de 100 sementes, sendo que os tratamentos consistiram em dois tipos de sementes (com e sem tegumento) submetidas a dez tempos de embebi&#xE7;&#xE3;o em &#xE1;gua (0, 2, 4, 6, 12, 24, 48, 72, 96 e 120 horas). Ap&#xF3;s cada per&#xED;odo, as sementes foram submetidas ao teste de condutividade el&#xE9;trica e de germina&#xE7;&#xE3;o. Entre a condutividade el&#xE9;trica e a porcentagem de germina&#xE7;&#xE3;o h&#xE1; rela&#xE7;&#xE3;o diretamente proporcional, enquanto o melhor tempo de condicionamento osm&#xF3;tico &#xE9; alcan&#xE7;ado nas sementes com tegumento e imersas em &#xE1;gua, durante 48 horas.

Palavras-chave: ch&#xE1;-de-pedestre, germina&#xE7;&#xE3;o, teste de vigor, condutividade el&#xE9;trica.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CERRADO</subfield>
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    <subfield code="a">ESP&#xC9;CIE NATIVA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">SEMENTE</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">GERMINA&#xC7;&#xC3;O</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">TESTE DE VIGOR</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CONDUTIVIDADE EL&#xC9;TRICA</subfield>
  </datafield>
  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">2408</subfield>
    <subfield code="9">314934</subfield>
    <subfield code="d">Santa Maria-RS Universidade Federal de Santa Maria - Centro de Ci&#xEA;ncias Rurais 1991</subfield>
    <subfield code="o">2024-1185</subfield>
    <subfield code="t">Ci&#xEA;ncia Rural (Brazil)</subfield>
    <subfield code="x">0103-8478</subfield>
    <subfield code="g">v. 46(12) p. 2096-2102; (2016)</subfield>
    <subfield code="w">BR2024001842</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://www.scielo.br/j/cr/a/NKyTZJbYdYRDtqPfdCMktjv/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">328570</subfield>
    <subfield code="d">328570</subfield>
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