<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0185-3309</journal-id>
<journal-title><![CDATA[Revista mexicana de fitopatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fitopatol]]></abbrev-journal-title>
<issn>0185-3309</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitopatología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-33092021000100101</article-id>
<article-id pub-id-type="doi">10.18781/r.mex.fit.2005-5</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Resistencia a Sporisorium reilianum f. sp. zeae en germoplasma nativo de maíz]]></article-title>
<article-title xml:lang="en"><![CDATA[Resistance to Sporisorium reilianum f. sp. zeae in native maize germplasm]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Márquez-Licona]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-González]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-García de Alba]]></surname>
<given-names><![CDATA[Carlos De]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Hernández]]></surname>
<given-names><![CDATA[Mateo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solano-Báez]]></surname>
<given-names><![CDATA[Alma Rosa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leyva-Mir]]></surname>
<given-names><![CDATA[Santos Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Téliz-Ortíz]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional Centro de Desarrollo de Productos Bióticos ]]></institution>
<addr-line><![CDATA[Yautepec Morelos]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma Chapingo  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Popular Autónoma del Estado de Puebla  ]]></institution>
<addr-line><![CDATA[Puebla Puebla]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>39</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>20</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-33092021000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-33092021000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-33092021000100101&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El carbón de la espiga del maíz (Sporisorium reilianum f. sp. zeae) es una enfermedad que se caracteriza porque el patógeno remplaza las inflorescencias por soros llenos de teliosporas. El objetivo de este estudio fue investigar la respuesta en campo de 55 poblaciones de maíz nativo a la infección por S. reilianum. Las poblaciones de maíz se colectaron en los estados de Guerrero (13), Oaxaca (13), Puebla (seis), Tlaxcala (12) y Estado de México (11). La semilla fue inoculada con teliosporas del patógeno, usando grenetina como adherente. El híbrido Az 41801 se utilizó como testigo. Las poblaciones fueron evaluadas en Mixquiahuala, Hidalgo, en los ciclos 2015 y 2016. La incidencia de la enfermedad se registró mediante la observación directa de signos y síntomas en las inflorescencias. La incidencia máxima de la enfermedad en las poblaciones de maíz fue de 28.8% y 22.2% en la primera y segunda evaluación, respectivamente, mientras que el testigo (Az 41801) presentó una incidencia de 70.7% y 42.3%. Considerando el origen geográfico, los maíces del Estado de México y Tlaxcala presentaron una menor incidencia de la enfermedad respecto al resto de las poblaciones, lo que indica la presencia de genes de resistencia a la enfermedad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Head smut of maize (Sporisorium reilianum f. sp. zeae) is a disease characterized by the pathogen replacing inflorescences with sori full of teliospores. The objective of this study was to investigate the response of 55 native maize populations to S. reilianum infection. Maize populations were collected in the states of Guerrero (13), Oaxaca (13), Puebla (six), Tlaxcala (12) and Estado de México (11). The seed was inoculated with teliospores of the pathogen, using grenetine as adherent. The hybrid Az 41801 was used as a control. The populations were evaluated in Mixquiahuala, Hidalgo, in the 2015 and 2016 plantings. The incidence of the disease was recorded by direct observation of signs and symptoms in the inflorescences. The maximum incidence of the disease in the maize populations was 28.8% and 22.2% in the first and second evaluation, respectively, while the control (Az 41801) presented an incidence of 70.7% and 42.3%. Considering the geographical origin, the native maize collections from the Estados de Mexico and Tlaxcala, had a lower incidence of the disease compared to the rest of the populations, which indicates the presence of genes for resistance to the disease.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Zea mays]]></kwd>
<kwd lng="es"><![CDATA[maíz nativo]]></kwd>
<kwd lng="es"><![CDATA[resistencia]]></kwd>
<kwd lng="es"><![CDATA[incidencia]]></kwd>
<kwd lng="es"><![CDATA[carbón de la espiga]]></kwd>
<kwd lng="es"><![CDATA[inoculación artificial]]></kwd>
<kwd lng="en"><![CDATA[Zea mays]]></kwd>
<kwd lng="en"><![CDATA[native maize]]></kwd>
<kwd lng="en"><![CDATA[resistance]]></kwd>
<kwd lng="en"><![CDATA[incidence]]></kwd>
<kwd lng="en"><![CDATA[head smut]]></kwd>
<kwd lng="en"><![CDATA[artificial inoculation]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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