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  <titleInfo>
    <title>Estabilidad del rendimiento en cruzamientos intergermoplásmicos de maíz (Zea mays L.) evaluados en el trópico húmedo y seco de México</title>
  </titleInfo>
  <name type="personal">
    <namePart>Ramírez Vega, Humberto.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <originInfo>
    <place>
      <placeTerm type="code" authority="marccountry">mx</placeTerm>
    </place>
    <place>
      <placeTerm type="text">Chapingo, Méx</placeTerm>
    </place>
    <publisher>El autor</publisher>
    <dateIssued>1985</dateIssued>
    <dateIssued encoding="marc" point="start">1985</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">spa</languageTerm>
  </language>
  <physicalDescription>
    <extent>226 h. : mapa ; gráfs.</extent>
  </physicalDescription>
  <note type="statement of responsibility">/por Humberto Ramírez Vega</note>
  <note>Tesis (M. C. Esp. en Genética) -- C.P. Centro de Genética</note>
  <subject>
    <topic>Maíz</topic>
    <topic>Germoplasma</topic>
  </subject>
  <subject>
    <topic>Maíz</topic>
    <topic>Híbridos</topic>
  </subject>
  <subject>
    <topic>Maíz</topic>
    <topic>Mejoramiento</topic>
  </subject>
  <subject>
    <topic>Maíz</topic>
    <topic>Rendimiento</topic>
  </subject>
  <subject>
    <topic>Maíz</topic>
    <topic>Trópicos</topic>
  </subject>
  <identifier type="lccn">75114</identifier>
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    <recordCreationDate encoding="marc">980324</recordCreationDate>
    <recordChangeDate encoding="iso8601">20220329141855.0</recordChangeDate>
  </recordInfo>
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