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  <titleInfo>
    <title>Substrate in the emergence and initial growth of seedlings of Caesalpinia pulcherrima</title>
  </titleInfo>
  <name type="personal">
    <namePart>Alves, Magnólia Martins</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  </name>
  <name type="personal">
    <namePart>Alves, Edna Ursulino</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Araújo, Luciana Rodrigues de</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Lima, Maria de Lourdes dos Santos</namePart>
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      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
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  <genre authority="marc">periodical</genre>
  <genre authority="marc">abstract or summary</genre>
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  <abstract>

ABSTRACT - Caesalpinia pulcherrima is an exotic species belongs to the Fabaceae family commonly known as flamboyant-mirim, and widely used for urban forestry. This study aimed to evaluate the effect of different substrates on the emergence and early seedlings growth of C. pulcherrima. The experiment was conducted in a greenhouse belonging to the Centro de Ciências Agrárias, Universidade Federal da Paraíba. The experimental design was completely randomized and treatments had 14 substrates: sand, vegetable soil, vermiculite, wood dust, carbonized rice straw, vegetable soil + sand 1:1, sand + wood dust 1:1, sand + carbonized rice straw 1:1, earth + wood dust 1:1, vegetable soil + carbonized rice straw 1:1, vermiculite + sand 1:1, vermiculite + wood dust 1:1, vermiculite + earth 1:1 and vermiculite + carbonized rice straw 1:1. Evaluation of the effect of the treatments was through the following determinations: percentage of emergency, first count, index of germination speed, length and dry weight of roots and shoots. The vermiculite, vegetable soil + sand 1:1, vermiculite + sand 1:1, vermiculite + saw dust 1:1, are suitable for emergence and early growth of seedlings of Caesalpinia pulcherrima. Substrates saw dust and carbonized rice straw were responsible for the worst performers on emergence and seedling development.

Key words: Flamboyant mirim, ornamental species, seeds, vigor</abstract>
  <abstract>

RESUMO - Caesalpinia pulcherrima é uma espécie exótica que pertence à família Fabaceae vulgarmente conhecida como flamboyant-mirim, e amplamente utilizadas para arborização urbana. O objetivo do trabalho foi avaliar o efeito de diferentes substratos sobre a emergência e crescimento inicial de plântulas de C. pulcherrima. O experimento foi conduzido em casa de vegetação pertencente ao Centro de Ciências Agrárias da Universidade Federal da Paraíba. O delineamento experimental foi inteiramente casualizado e os tratamentos foram compostos por 14 substratos: areia, terra vegetal, vermiculita, pó de madeira, palha de arroz carbonizada, areia + terra vegetal 1:1, areia + pó de madeira 1:1, areia + palha de arroz carbonizada 1:1, terra vegetal + pó de madeira 1:1, terra vegetal + palha de arroz carbonizada 1:1, vermiculita + areia 1:1, vermiculita + pó de madeira 1:1, vermiculita + terra vegetal 1:1 e vermiculita + palha de arroz de carbonizada 1:1. A avaliação do efeito dos tratamentos foi através das seguintes determinações: porcentagem de emergência, primeira contagem, índice de vermiculita, terra vegetal + areia 1:1, vermiculita + areia 1:1, vermiculita + pó de madeira 1:1, são adequados para a emergência e crescimento inicial de mudas de Caesalpinia pulcherrima. Os substratos pó de madeira e palha de arroz carbonizada foram os responsáveis pelos piores desempenhos na emergência e desenvolvimento de plântulas.

Palavras-chave: Flamboyant mirim, espécie ornamental, sementes, vigor.</abstract>
  <note>Publicação on-line; 19 ref.; 2 tables; Sumaries (En, Pt)</note>
  <subject>
    <topic>ÁRVORE ORNAMENTAL</topic>
  </subject>
  <subject>
    <topic>SEMENTE</topic>
  </subject>
  <subject>
    <topic>SUBSTRATO</topic>
  </subject>
  <subject>
    <topic>CRESCIMENTO</topic>
  </subject>
  <subject>
    <topic>EMERGÊNCIA DE CULTURA</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Ciência Rural (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Santa Maria-RS Universidade Federal de Santa Maria - Centro de Ciências Rurais 1991</publisher>
    </originInfo>
    <identifier>2024-7200</identifier>
    <identifier type="issn">0103-8478   Versão online ISSN 1678-4596</identifier>
    <identifier type="local">BR2024003799</identifier>
    <part>
      <text>v. 47(3) p. 1-5; (2017)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://www.scielo.br/j/cr/a/TBmJMnWmvq9MFVQPBj4BZKS/?format=pdf&amp;lang=en</identifier>
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    <url>https://www.scielo.br/j/cr/a/TBmJMnWmvq9MFVQPBj4BZKS/?format=pdf&amp;lang=en</url>
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    <recordCreationDate encoding="marc">241202</recordCreationDate>
    <recordChangeDate encoding="iso8601">20241202200840.0</recordChangeDate>
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      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
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