<?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>S2007-09342017000701521</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Respuesta de 10 cultivares de maíz a la densidad de población en tres localidades del centro mexiquense]]></article-title>
<article-title xml:lang="en"><![CDATA[Response of 10 maize cultivars to population density in three localities of the mexiquense center]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quiroz Mercado]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez López]]></surname>
<given-names><![CDATA[Delfina de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Huerta]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubí Arriaga]]></surname>
<given-names><![CDATA[Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Rodríguez]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Franco Martínez]]></surname>
<given-names><![CDATA[José Ramón Pascual]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez Dávila]]></surname>
<given-names><![CDATA[José Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México (UAEMéx). Campus Universitario &#8220;El Cerrillo&#8221;. ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,UAEMéx Centro de Investigación y Estudios Avanzados en Fitomejoramiento. Facultad de Ciencias Agrícolas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>11</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>11</month>
<year>2017</year>
</pub-date>
<volume>8</volume>
<numero>7</numero>
<fpage>1521</fpage>
<lpage>1535</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342017000701521&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342017000701521&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342017000701521&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La densidad de población es uno de los principales factores que contribuyen a incrementar el rendimiento de grano en maíz. El presente trabajo se estableció en 2013 en tres localidades del centro del Estado de México, México para evaluar el rendimiento de grano y sus componentes principales en diez cultivares de maíz en tres densidades de población. Los tres ensayos se establecieron en campo en un diseño experimental de bloques completos al azar con tres repeticiones en un arreglo de parcelas divididas: en las parcelas grandes se distribuyeron las densidades de población y en las chicas los cultivares. Hubo diferencias significativas (p= 0.01) entre cultivares en las 13 variables registradas, en densidad de población éstas lo fueron en longitud de mazorca, diámetro de mazorca, peso de olote, peso de grano por planta, y rendimiento de grano. Un incremento en la densidad de población disminuyó el número y el peso de grano por planta pero a 104 167 plantas ha-1 el rendimiento fue de10.03 t ha-1. Con P204W se obtuvo la mayor producción de grano (10 t ha-1), pero éste no difirió estadísticamente de IC 2010, AS-MJ9082, H-40 y AS-723. El análisis de componentes principales explicó 65.94% de la variación total original, en éste se observó una alta correlación entre rendimiento de grano, granos por planta, índice de prolificidad y peso de olote.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The population density is one of the main factors that contribute to increase grain yield in maize. The present work was established in 2013 in three localities of the center of the State of Mexico, Mexico to evaluate the yield of grain and its main components in ten maize cultivars in three population densities. The three trials were established in the field in an experimental design of complete random blocks with three replicates in a divided plot arrangement: in the large plots the population densities were distributed and in the girls the cultivars. There were significant differences (p= 0.01) between cultivars in the 13 variables recorded, in population density, as were ear length, ear diameter, &#8220;olote&#8221; weight, grain weight per plant, and grain yield. An increase in population density decreased the number and weight of grain per plant but at 104 167 plants ha-1 the yield was 10.03 t ha-1. The highest grain yield (10 t ha-1) was obtained with P204W, but this did not differ statistically from IC 2010, ASMJ9082, H-40 and AS-723 The main components analysis explained 65.94% of the original total variation, in which a high correlation was observed between grain yield, grains per plant, prolificacy index and &#8220;olote&#8221; weight.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Zea mays L. análisis multivariado]]></kwd>
<kwd lng="es"><![CDATA[plantas ha-1]]></kwd>
<kwd lng="es"><![CDATA[variedades sobresalientes]]></kwd>
<kwd lng="es"><![CDATA[Valles Altos de México]]></kwd>
<kwd lng="en"><![CDATA[Zea mays L. multivariate analysis]]></kwd>
<kwd lng="en"><![CDATA[outstanding variests]]></kwd>
<kwd lng="en"><![CDATA[plants ha-1]]></kwd>
<kwd lng="en"><![CDATA[High Valleys of Central Mexico]]></kwd>
</kwd-group>
</article-meta>
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