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  <titleInfo>
    <title>Association of indolebutyric acid with rhizobacteria on the viability of herbaceous minicuttings of blueberry ‘Brite Blue</title>
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  <name type="personal">
    <namePart>Higuchi, Maíra Tiaki</namePart>
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  <name type="personal">
    <namePart>Ribeiro, Luana Tainá Machado</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  <name type="personal">
    <namePart>Shimizu, Gabriel Danilo</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Guariz, Hugo Roldi</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Rodrigues, Evandro João</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Pinto, Débora Bueno Bernardo</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Koyama, Renata</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  <name type="personal">
    <namePart>Roberto, Sergio Ruffo</namePart>
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      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
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  <typeOfResource>text</typeOfResource>
  <genre authority="marc">periodical</genre>
  <genre authority="marc">abstract or summary</genre>
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  <abstract>


ABSTRACT:   Plant regulators used alone or associated with rhizobacteria are alternatives that maximize the rhizogenic potential of cuttings that are difficult to root, such as the blueberry. Thus, the objective of this study was to investigate if concentrations of  IBA  in  talc,  associated  or  not  with  the  rhizobacteria  Azospirillum  brasilense  and  Bacillus  subtilis,  interfere  in  the  viability  of  blueberry mini cuttings, cultivar ‘Brite Blue’. The experimental design used was entirely randomized, with four repetitions. The treatments studied, designed in a bifatorial scheme (4 × 3), were concentrations of IBA (0, 500, 1,000, and 2,000 mg L-1), applied as talc, associated or not with A. brasilense and B. subtilis. A significant interaction was observed between the factors IBA and inoculation with rhizobacteria regarding the presence of callus. In relation to the isolated effect of inoculation, B. subtilis proved to be superior to the treatments with application of IBA alone, also presenting the highest percentage of sprouted minestems. There was an isolated effect of IBA doses on the number of roots per minicutting, survival, and rooted minicutting. It is concluded that the treatments with IBA and rhizobacteria, especially B. subtilis, favor the viability of the ‘Brite Blue’ minicuttings. 


Key words:       Azospirillum brasilense; Bacillus subtilis; plant growth regulator; propagation; Vaccinium sp</abstract>
  <abstract>


RESUMO:  Os  reguladores  vegetais  utilizados  isoladamente  ou  associados  à  rizobactérias  são  alternativas  que  maximizam  o  potencial rizogênico de estacas de difícil enraizamento, a exemplo do mirtilo. Dessa forma, o objetivo do trabalho foi investigar se concentrações de AIB em talco, associados ou não às rizobactérias Azospirillum brasilense e Bacillus subtilis, interferem na viabilidade  de  miniestacas  de  mirtilo,  cultivar  ‘Brite  Blue’.  O  delineamento  experimental  utilizado  foi  inteiramente  casualizado,  com quatro repetições. Os tratamentos estudados, delineados em esquema bifatorial (4 × 3), foram concentrações de AIB (0, 500, 1.000 e 2.000 mg L-1), aplicados na forma de talco, associadas ou não à A. brasilense e à B. subtilis. Foi observada interação significativa  entre  os  fatores AIB  e  inoculação  com  rizobactérias  quanto  à  presença  de  calo.  Em  relação  ao  efeito  isolado  da inoculação, B. subtilis mostrou-se ser superior aos tratamentos com aplicação de AIB isolado, apresentando também a maior porcentagem  de  miniestacas  brotadas.  Houve  efeito  isolado  de  doses  de  AIB  quanto  ao  número  de  raízes  por  miniestaca,  sobrevivência  e  miniestacas  enraizadas.  Conclui-se  que  os  tratamentos  com  AIB  e  rizobactérias,  em  especial  o  B.  subtilis, favorecem a viabilidade das miniestacas ‘Brite Blue’. 



Palavras-chave:      Azospirillum brasilense; Bacillus subtilis; regulador vegetal; propagação; Vaccinium sp</abstract>
  <note>

Publicação online; 24 ref.; 5 illus.; Summaries (En, Pt)</note>
  <subject>
    <topic>MIRTILO</topic>
  </subject>
  <subject>
    <topic>ÁCIDO INDOLBUTÍRICO</topic>
  </subject>
  <subject>
    <topic>INOCULAÇÃO</topic>
  </subject>
  <subject>
    <topic>RIZOBACTÉRIA</topic>
  </subject>
  <subject>
    <topic>PROPAGAÇÃO VEGETATIVA</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Revista Brasileira de Ciências Agrárias (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Recife-PE Universidade Federal Rural de Pernambuco 2006</publisher>
    </originInfo>
    <identifier>2026-2369</identifier>
    <identifier type="issn">1981-1160</identifier>
    <identifier type="local">BR2026001529</identifier>
    <part>
      <text>v. 17(3) p. 1-6; (2022)</text>
    </part>
  </relatedItem>
  <identifier type="uri">http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v17i3a337/1470</identifier>
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    <url>http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v17i3a337/1470</url>
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    <recordCreationDate encoding="marc">260602</recordCreationDate>
    <recordChangeDate encoding="iso8601">20260602153105.0</recordChangeDate>
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      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
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