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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20251012232929.0</controlfield>
  <controlfield tag="008">251012b2024    bl.ar|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="a">BR-BrBNA</subfield>
    <subfield code="b">por</subfield>
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    <subfield code="a">P34 ; K10 ; F01</subfield>
    <subfield code="b">3100 ; 3590 ; 3690</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Campos, Thiago Souza </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Vieira, Guilherme Rodrigues </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Souza, Antonio Maric&#xE9;lio Borges de </subfield>
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    <subfield code="a">Santos, Carlos Henrique Barbosa </subfield>
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    <subfield code="a">Rigobelo, Everlon Cid </subfield>
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    <subfield code="a">Pivetta, Kathia Fernandes Lopes </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Rhizobacteria increase the growth and quality of Handroanthus chrysotrichus (Mart. ex DC.) Mattos seedlings</subfield>
  </datafield>
  <datafield tag="500" ind1=" " ind2=" ">
    <subfield code="a">Summaries (En, Pt); 45 ref.; 5 illus.</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
    <subfield code="a">ABSTRACT -  Handroanthus chrysotrichus (Mart. ex DC.) Mattos, popularly known as the golden trumpet tree, is a native tree of Brazil with exuberant flowering. It is used for urban afforestation and
reforestation of degraded areas, and its wood is destined for several purposes. In order to develop vigorous plants after planting, it is essential to produce high-quality seedlings, which can be obtained using rhizobacteria. As renewable sources, rhizobacteria exhibit growthpromoting properties, facilitate nutrient uptake and/or solubilization, and contributes to the production of phytohormones, while also serving as pathogen controllers and mitigators of abiotic stress. These attributes collectively enable the establishment of a sustainable production system for producing vigorous and rapidly growing seedlings. This study aimed to evaluate the effect of plant growth-promoting rhizobacteria in the production of H. chrysotrichus seedlings. The experimental design followed a completely randomized setup. The treatments consisted of microorganisms (Bacillus subtilis, Bacillus megaterium, Bacillus amyloliquefaciens, and Azospirillum brasilense) plus the absence of microorganisms - control; four repetitions and ten plants-per-plot. The parameters evaluated were shoot height; stem diameter; root length; shoot, root, and total dry matter; leaf number and leaf area, as well as chlorophyll content; minimum and maximum fluorescence; and maximum quantum efficiency of photosystem II; shoot
height/stem diameter ratio and Dickson&#x2019;s Quality Index. The B. amyloliquefaciens inoculation promoted an increase in seedling shoot height, stem diameter, root length, leaf area, shoot, root, and total dry matter and also increased the Dickson Quality Index. It can be concluded that B. amyloliquefaciens is the most efficient inoculant for producing golden trumpet tree seedlings, followed by A. brasilense.
Keywords: Azospirillum brasilense; Bacillus spp.; Plant growth-promoting microorganisms. </subfield>
  </datafield>
  <datafield tag="520" ind1=" " ind2=" ">
    <subfield code="a">RESUMO &#x2013; Popularmente conhecida como ip&#xEA;-amarelo, Handroanthus chrysotrichus (Mart. ex DC.) Mattos &#xE9; uma arb&#xF3;rea nativa do Brasil, de florescimento exuberante, usada na arboriza&#xE7;&#xE3;o de cidades, no reflorestamento de &#xE1;reas degradadas, al&#xE9;m de sua madeira ser destinada para diversos fins. Para o
desenvolvimento de plantas vigorosas ap&#xF3;s o plantio, &#xE9; importante a produ&#xE7;&#xE3;o de mudas de alta qualidade, que podem ser obtidas com o uso de rizobact&#xE9;rias. Consideradas como fontes renov&#xE1;veis, as rizobact&#xE9;rias apresentam propriedades de promo&#xE7;&#xE3;o do crescimento, facilitadoras da absor&#xE7;&#xE3;o e/ou solubiliza&#xE7;&#xE3;o de nutrientes e contribuem para a produ&#xE7;&#xE3;o de fitohorm&#xF4;nios, ao mesmo tempo que podem atuarem como controladoras de pat&#xF3;genos e na mitiga&#xE7;&#xE3;o de estresse abi&#xF3;tico. Esses atributos
juntos possibilitam o estabelecimento de um sistema de produ&#xE7;&#xE3;o sustent&#xE1;vel para a obten&#xE7;&#xE3;o de mudas vigorosas e de crescimento r&#xE1;pido. O trabalho teve como objetivo avaliar o efeito de rizobact&#xE9;rias promotoras de crescimento de plantas na produ&#xE7;&#xE3;o de mudas de ip&#xEA;-amarelo. O delineamento experimental foi o inteiramente casualizado. Os tratamentos consistiram nos microrganismos (Bacillus subtilis, Bacillus megaterium, Bacillus amyloliquefaciens e Azospirillum brasilense) mais a aus&#xEA;ncia de microrganismos &#x2013; controle; em quatro repeti&#xE7;&#xF5;es e dez plantas por parcela. Os par&#xE2;metros avalizados foram: altura da parte a&#xE9;rea; di&#xE2;metro do coleto; comprimento do sistema radicular; massa seca da parte a&#xE9;rea, das ra&#xED;zes e total; n&#xFA;mero de folhas e &#xE1;rea foliar, al&#xE9;m do teor de clorofila; fluoresc&#xEA;ncia m&#xED;nima e m&#xE1;xima; e m&#xE1;xima efici&#xEA;ncia fotoqu&#xED;mica do fotossistema II; raz&#xE3;o altura da parte a&#xE9;rea/ di&#xE2;metro do coleto e o &#xCD;ndice de Qualidade de Dickson. A inocula&#xE7;&#xE3;o de B. amyloliquefaciens promoveu incremento na altura da muda, no di&#xE2;metro do coleto, no comprimento de raiz, na &#xE1;rea foliar, na massa seca da parte &#xE1;rea, das ra&#xED;zes e total e, tamb&#xE9;m, aumentou o &#xCD;ndice de Qualidade de Dickson. Pode-se concluir que B. amyloliquefaciens &#xE9; o inoculante mais eficiente para a produ&#xE7;&#xE3;o de mudas de ip&#xEA;-amarelo, seguido por A. brasilense. Palavras-Chave: Azospirillum brasilense; Bacillus spp.; Microrganismos promotores de crescimento de plantas. </subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">IP&#xCA;-AMARELO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">HANDROANTHUS CHRYZOTRICHUS</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">MUDA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">RAIZ</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">BACT&#xC9;RIA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">REGULADOR DE CRESCIMENTO</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">812</subfield>
    <subfield code="9">346931</subfield>
    <subfield code="d">Vi&#xE7;osa-MG Sociedade de Investiga&#xE7;&#xF5;es Florestais - Universidade Federal de Vi&#xE7;osa. Depto. de Engenharia Florestal 1977</subfield>
    <subfield code="o">2024-7729</subfield>
    <subfield code="t">Revista &#xC1;rvore (Brazil)</subfield>
    <subfield code="x">0100-6762</subfield>
    <subfield code="g">v. 48 p. 1-13; (2024)</subfield>
    <subfield code="w">BR2025003830</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://www.scielo.br/j/rarv/a/GCK5ZpK99TRhtSMPN6zDq6q/?format=pdf&amp;lang=en</subfield>
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    <subfield code="c">ANA</subfield>
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  <datafield tag="999" ind1=" " ind2=" ">
    <subfield code="c">338662</subfield>
    <subfield code="d">338662</subfield>
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