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  <titleInfo>
    <title>Extrato de lobeira afeta o crescimento micelial e severidade da mancha de curvularia no milho</title>
  </titleInfo>
  <name type="personal">
    <namePart>Silva, Laila Borges Damasceno</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
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  <name type="personal">
    <namePart>Teles, Simone Pereira</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Matos Neto, João Francisco de</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Castro, Edson Santos</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Sousa, Adila Pereira de</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Momenté, Valeria Gomes</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Nascimento, Ildon Rodrigues do</namePart>
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  <genre authority="marc">periodical</genre>
  <genre authority="marc">abstract or summary</genre>
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    <issuance>continuing</issuance>
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  <language>
    <languageTerm authority="iso639-2b" type="code">por</languageTerm>
  </language>
  <abstract>Lobeira extract affects mycelial growth and severity of curvularia leaf spot in corn.Curvularia spot, caused by the fungus Curvularia spp. have emerged as a major disease in maize. The  objective  of  this  work  was  to  evaluate  the  fungitoxic  action  of  the  extract  of  lobeira  leaves (Solanum  lycocarpum A. St.-Hil),  in the  control  of  the  fungus Curvularia spp,  the  causal  agent  of Curvularia stain in corn. The efficiency in inhibiting mycelial growth was tested in culture medium with diluted and diffused extracts, in two concentrations (pure and diluted extract) in five doses (0, 10, 20, 30, 40 and 50 μL) in a 2 ×factorial scheme 5 ×2. The potential of controlling the disease severity in maize plants was also evaluated in a 2 ×5 factorial scheme, two concentrations (neat and diluted)  and  five  doses.  Both  experiments  were  installed  in  a  completely  randomized  design  with three replications. The lobeira leaf extract is efficient in mycelial control and in the severity of the disease  caused  by  the  fungus Curvularia spp.  in  corn.  In  an in  vitrotest,  the  extract  promoted  a decrease  in  mycelial  growth  both  when  it  was  used  diluted  in  the  medium  and  when  it  was  used diffusely. For the in vivotest, the extract at doses of 20 μL decreases the percentage of disease severity in corn leaves and does not cause significant mortality in corn plants.

Keyworks: Solanum lycocarpum, alternative control, Zea mays L, Curvularia spp.</abstract>
  <abstract>A  mancha  de  curvulária,  causada  pelo  fungo Curvularia spp.  têm  se  destacado  como  uma  doença importante no milho. Nesse trabalho objetivou-se avaliar a ação fungitóxica do extrato de folhas de lobeira (Solanum lycocarpum A. St.-Hil), no controle do fungo Curvularia spp na cultura do milho. A eficiência na inibição do crescimento micelial foi testada em meio de cultura com extratos diluídos e difundidos, em duas concentrações (extrato puro e diluído) em cinco doses (0, 10, 20, 30, 40 e 50 μL)  em  esquema  fatorial  2 ×5 ×2.  Avaliou-se  também  o  potencial  do  controle  da  severidade  da doença nas plantas de milho em esquema fatorial 2 ×5, duas concentrações (puro e diluído) e as cinco doses. Ambos os experimentos foram instalados em delineamento inteiramente casualizados com três repetições. O extrato da folha de lobeira é eficiente no controle micelial e na severidade da doença ocasionada pelo fungo Curvularia spp. em milho. Em teste in vitro o extrato promoveu a diminuição do crescimento micelial tanto quanto foi usado diluído ao meio como também quando foi usado difundido.  Para  o  teste in  vivo,  o  extrato  nas doses  20  μL  diminui  a  percentagem  de  severidade  da doença nas folhas de milho e não provoca mortalidade significativa das plantas de milho.

Palavras-chaves: Solanum lycocarpum, controle alternativo, Zea mays L, Curvularia spp.</abstract>
  <note>Summaries (En, Pt); 35 ref.; 3 illus.; 1 table</note>
  <subject>
    <topic>SOLANUM LYCOCARPUM</topic>
  </subject>
  <subject>
    <topic>LOBEIRA</topic>
  </subject>
  <subject>
    <topic>FOLHA</topic>
  </subject>
  <subject>
    <topic>EXTRATO</topic>
  </subject>
  <subject>
    <topic>FUNGICIDA</topic>
  </subject>
  <subject>
    <topic>INIBIDOR DE CRESCIMENTO</topic>
  </subject>
  <subject>
    <topic>CURVULARIA  SPP</topic>
  </subject>
  <subject>
    <topic>FUNGO</topic>
  </subject>
  <subject>
    <topic>MANCHA DE CURVULÁRIA</topic>
  </subject>
  <subject>
    <topic>DOENÇA DE PLANTA</topic>
  </subject>
  <subject>
    <topic>MILHO</topic>
  </subject>
  <subject>
    <topic>DEFESA VEGETAL</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Journal of Biotechnology and Biodiversity (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Universidade Federal de Tocantins. Centro de Monitoramento Ambiental e Manejo do Fogo 2010</publisher>
    </originInfo>
    <identifier>2024-6781</identifier>
    <identifier type="issn">2179-4804</identifier>
    <identifier type="local">BR2025002095</identifier>
    <part>
      <text>v. 10(3) p. 206-213; (2022)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://sistemas.uft.edu.br/periodicos/index.php/JBB/article/view/13553/20579</identifier>
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    <url>https://sistemas.uft.edu.br/periodicos/index.php/JBB/article/view/13553/20579</url>
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    <recordCreationDate encoding="marc">250826</recordCreationDate>
    <recordChangeDate encoding="iso8601">20250826232854.0</recordChangeDate>
    <languageOfCataloging>
      <languageTerm authority="iso639-2b" type="code">por</languageTerm>
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