<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342022000100077</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v13i1.2398</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Rendimiento de grano, forraje y calidad forrajera de nuevos híbridos de maíz de Valles Altos]]></article-title>
<article-title xml:lang="en"><![CDATA[Yield of grain, forage and forage quality of new corn hybrids from High Valleys]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velasco Macias]]></surname>
<given-names><![CDATA[Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tadeo Robledo]]></surname>
<given-names><![CDATA[Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinosa Calderón]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zaragoza Esparza]]></surname>
<given-names><![CDATA[Joob]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Canales Islas]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Coutiño Estrada]]></surname>
<given-names><![CDATA[Bulmaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Estudios Superiores Cuautitlán ]]></institution>
<addr-line><![CDATA[Cuautitlán Izcalli Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Valle de México ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Santiago Ixcuintla ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Centro de Chiapas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<volume>13</volume>
<numero>1</numero>
<fpage>77</fpage>
<lpage>87</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342022000100077&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342022000100077&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342022000100077&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En la Facultad de Estudios Superiores Cuautitlán (FESC-UNAM) y en el Instituto Nacional de Investigaciones Forestales, Agricolas y Pecuarias (INIFAP) se cuentan con híbridos en fase experimental o de reciente liberación para los Valles Altos de México, los cuales son competitivos con los híbridos comerciales ya existentes. En esta investigación se evaluaron 10 híbridos de maíz en dos localidades y en una de ellas con dos fechas de siembra; es decir; tres ambientes diferentes de evaluación en el Estado de México, en cada ambiente se establecieron dos experimentos con los 10 genotipos, en el primero el objetivo fue determinar la productividad de grano y en el segundo fueron determinar la productividad y calidad de forraje. Se utilizó un diseño experimental de bloques completos al azar con 10 genotipos y tres repeticiones, el análisis estadístico se realizó con un arreglo factorial, que consideró los 10 híbridos y tres ambientes, así como la interacción genotipo x ambiente. En conclusión, se determinó que el híbrido Atziri Puma, presentó mayor rendimiento de grano (8 044 kg ha-1) seguido por Tsíri Puma (7 783 kg ha-1), ambos recientemente liberados comercialmente por la FES Cuautitlán, UNAM. El híbrido Tlaoli Puma presentó el mayor rendimiento de forraje verde (70 202 kg ha-1). En los análisis de calidad de forraje, no se observaron diferencias significativas entre híbridos. Atziri puma, Tlaoli puma y Tsiri puma, ya tienen su registro ante el Catálogo Nacional de Variedades Vegetales (CNVV) y Título de Obtentor.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In the Faculty of Higher Studies Cuautitlán (FESC-UNAM) and in the National Institute of Forestry, Agricultural and Livestock Research (INIFAP), there are hybrids in experimental phase or recent release for the High Valleys of Mexico, which are competitive with existing commercial hybrids. In this research, 10 corn hybrids were evaluated in two localities and in one of them with two sowing dates; that is; three different evaluation environments in the State of Mexico, in each environment two experiments were established with the 10 genotypes, in the first the objective was to determine the grain productivity and in the second they were to determine the productivity and quality of forage. A randomized complete block experimental design with 10 genotypes and three repeats was used, the statistical analysis was performed with a factorial arrangement, which considered the 10 hybrids and three environments, as well as the genotype x environment interaction. In the conclusions it was determined that the hybrid Atziri Puma presented the highest grain yield (8 044 kg ha-1), followed by the hybrid Tsíri Puma (7 783 kg ha-1), both recently released commercially by FES Cuautitlán, UNAM. The hybrid Tlaoli Puma had the highest yield of green forage (70 202 kg ha-1). In forage quality analyses, no significant differences between hybrids were observed. Atziri puma, Tlaoli puma and Tsiri puma already have their registration with the National Catalog of Plant Varieties (CNVV) and Breeder&#8217;s Title.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Zea mays]]></kwd>
<kwd lng="es"><![CDATA[calidad de forraje]]></kwd>
<kwd lng="es"><![CDATA[genotipos]]></kwd>
<kwd lng="es"><![CDATA[productividad]]></kwd>
<kwd lng="es"><![CDATA[rendimiento de grano.]]></kwd>
<kwd lng="en"><![CDATA[Zea mays]]></kwd>
<kwd lng="en"><![CDATA[corn]]></kwd>
<kwd lng="en"><![CDATA[forage quality]]></kwd>
<kwd lng="en"><![CDATA[genotypes]]></kwd>
<kwd lng="en"><![CDATA[grain yield]]></kwd>
<kwd lng="en"><![CDATA[productivity]]></kwd>
</kwd-group>
</article-meta>
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