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  <titleInfo>
    <title>Morphophysiological responses of Hymenaea stigonocarpa Mart. ex Hayne seedlings submitted to potassium fertilization</title>
  </titleInfo>
  <name type="personal">
    <namePart>Costa, Andréia Mendes da</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
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  <name type="personal">
    <namePart>Carlos, Leandro</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Silva, Patrícia Oliveira da</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Menezes-Silva, Paulo Eduardo</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Alves, José Milton</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Cavalcante, Thomas Jefferson</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Dias, Jorciane Souza</namePart>
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      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
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  <abstract>


ABSTRACT

Hymenaea stigonocarpa is anarboreal medicinal species used in the recovery of degraded
areas. However, little is known about its nutritional requirements during the seedling phase,
especially concerning to potassium. In this context, the aim of this study was to evaluate if
potassium doses promote morphophysiological changes in Hymenaea stigonocarpa seedlings.A
completely randomized design, consisting in six KCl doses (0, 50, 100, 150, 200 and 250 mg
dm-3 KCl) and four replications was applied. Biometric, biomass, physiological and potassium
content variables were assessed. Hymenaea stigonocarpa displayed significant physiological
and biometric responses to potassium fertilization, with the highest values observed at doses
ranging from 150 to 200 mg dm-3 KCl. Moreover, concentration effects were noted regarding
to potassium contents in seedling leaves and stems.

Keywords: K; Early phase; Physiology; Growth; Jatobá-do-Cerrado





RESUMO

Hymenaea stigonocarpa é uma espécie arbórea medicinal usada na recuperação de áreas
degradadas. No entanto, pouco se sabe sobre suas exigências nutricionais durante a fase de
mudas, principalmente em termos de potássio. Dessa forma, objetivou-se com este trabalho
avaliar se doses potássicas promovem alterações morfofisiológicas de mudas Hymenaea
stigonocarpa. O delineamento utilizado foi inteiramente ao acaso, com seis doses (0, 50, 100,
150, 200 e 250mg dm-3 de KCl), e quatro repetições. As variáveis avaliadas foram: biométricas,
biomassa, fisiológicas e teor de potássio. A espécie apresentou resposta significativa à
adubação potássica para os parâmetros fisiológicos e biométricos. Os maiores valores obtidos
foram nas doses entre 150 e 200 mg dm-3. E, ainda, observou-se efeito de concentração para
o teor de potássio contido nas folhas e caule das mudas de Hymenaea stigonocarpa.

Palavras-chave: K; Fase inicial; Fisiologia; Crescimento; Jatobá-do-Cerrado
</abstract>
  <note>Publicação on-line; 30 ref.; 2 tables; 4 illus.; Summaries (En, Pt)</note>
  <subject>
    <topic>FERTILIZANTE POTÁSSICO</topic>
  </subject>
  <subject>
    <topic>FISIOLOGIA</topic>
  </subject>
  <subject>
    <topic>CRESCIMENTO</topic>
  </subject>
  <subject>
    <topic>JATOBÁ</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Ciência Florestal (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Santa Maria-RS Universidade Federal de Santa Maria - Centro de Pesquisas Florestais.Departamento de Ciências Florestais. Programa de Pós-Graduação em Engenharia Florestal 1991</publisher>
    </originInfo>
    <identifier>2025-1011</identifier>
    <identifier type="issn">0103-9954; 1980-5098 (on-line)</identifier>
    <identifier type="local">BR2023001894</identifier>
    <part>
      <text>v. 31(3) p. 1427-1443; (Jul-Sep 2021)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://www.scielo.br/j/cflo/a/4PzkQRYS8pCcfgNw3WDxxBp/?format=pdf&amp;lang=en</identifier>
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    <url>https://www.scielo.br/j/cflo/a/4PzkQRYS8pCcfgNw3WDxxBp/?format=pdf&amp;lang=en</url>
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    <recordCreationDate encoding="marc">250328</recordCreationDate>
    <recordChangeDate encoding="iso8601">20250328113141.0</recordChangeDate>
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