<?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>S2007-09342017000100147</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v8i1.78</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Rendimiento de grano de poblaciones de maíz Tuxpeño adaptado a Valles Altos de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Grain yield of Tuxpeño corn populations adapted to High Valleys de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santiago-López]]></surname>
<given-names><![CDATA[Norma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Zavala]]></surname>
<given-names><![CDATA[J. Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mejía-Contreras]]></surname>
<given-names><![CDATA[Apolinar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinoza-Banda]]></surname>
<given-names><![CDATA[Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santiago-López]]></surname>
<given-names><![CDATA[Ulises]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esquivel-Esquivel]]></surname>
<given-names><![CDATA[Gilberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina-Galán]]></surname>
<given-names><![CDATA[José D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados Campus Montecillo ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro  ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,INIFAP C. E. San Luis ]]></institution>
<addr-line><![CDATA[ San Luis Potosí]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,INIFAP C. E. Valle de México ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<volume>8</volume>
<numero>1</numero>
<fpage>147</fpage>
<lpage>158</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342017000100147&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342017000100147&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342017000100147&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este trabajo tuvo como objetivo evaluar el comportamiento agronómico de maíz (Zea mays L.) Tuxpeño adaptado a Valles Altos. Se evaluaron cuatro poblaciones de maíz Tuxpeño en sus versiones de ciclo uno (desadaptado) y ciclo siete (adaptado): P1(C1), P1(C7); P2(C1), P2(C7); P3(C1), P3(C7), y P4(C1), P4(C7); cuatro cruzas de los compuestos Chalqueño 1, 2, 3, y 4 por P4 (C10), tres cruzas de las poblaciones P1, P2, y P3 por P4 (C10); y tres testigos: H-S2, Promesa y San José. La evaluación se hizo en el ciclo primavera-verano de 2013, en terrenos del Colegio de Postgraduados y del Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, Texcoco, Estado de México, bajo un diseño experimental de bloques completos al azar con tres repeticiones. La parcela experimental tuvo 26 matas de dos plantas cada 50 cm en dos surcos de 6 m separados a 0.8 m. Se midió el rendimiento de grano de los materiales y otras características agronómicas. Los resultados indicaron que las poblaciones exóticas adaptadas rindieron hasta 6 t ha-1, superando significativamente a las variedades originales, aunque tuvieron ciclo vegetativo tardío y fueron de menor altura. Los componentes del rendimiento tuvieron incrementos significativos en las poblaciones; las cruzas de Tuxpeño*Chalqueño rindieron de 13 a 14 t ha-1, superando a los híbridos comerciales, San José y H-S2. Lo anterior, evidencia la existencia de heterosis en las cruzas y que el maíz exótico tropical adaptado en Valles Altos constituye un recurso útil para el mejoramiento genético.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This work aimed to evaluate the agronomic behavior of maize (Zea mays L.) Tuxpeño adapted to High valleys. Four populations of Tuxpeño corn were evaluated in their versions of cycle one (misfit) and cycle seven (adapted): P1(C1), P1(C7); P2(C1), P2(C7); P3(C1), P3(C7), and P4(C1), P4(C7); four crosses of Chalqueño compounds 1, 2, 3, and 4 by P4 (C10), three crosses of populations P1, P2, and P3 by P4 (C10); and three witnesses: H-S2, Promesa and San Jose. The evaluation was done in the spring-summer cycle of 2013, in fields of the College of Postgraduates and the National Institute of Forestry, Agriculture and Livestock Research, Texcoco, State of Mexico, under a randomized complete block design with three replicates. The experimental plot had 26 mats of two plants each 50 cm in two rows of 6 m separated to 0.8 m. The grain yield of the materials and other agronomic characteristics were measured. The results indicated that exotic adapted populations yielded up to 6 t ha-1, significantly exceeding the original varieties, although they had a late vegetative cycle and were of lower height. Performance components had significant increases in populations; the crosses of Tuxpeño*Chalqueño yielded from 13 to 14 t ha-1, surpassing the commercial hybrids, San Jose and H-S2. This shows the existence of heterosis in the crosses and that tropical exotic corn adapted in High Valleys is a useful resource for genetic improvement.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Zea mays L.]]></kwd>
<kwd lng="es"><![CDATA[adaptación]]></kwd>
<kwd lng="es"><![CDATA[cruzas]]></kwd>
<kwd lng="es"><![CDATA[maíz tropical]]></kwd>
<kwd lng="es"><![CDATA[selección]]></kwd>
<kwd lng="en"><![CDATA[Zea mays L.]]></kwd>
<kwd lng="en"><![CDATA[adaptation]]></kwd>
<kwd lng="en"><![CDATA[crosses]]></kwd>
<kwd lng="en"><![CDATA[selection]]></kwd>
<kwd lng="en"><![CDATA[tropical maize]]></kwd>
</kwd-group>
</article-meta>
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