<?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>S2007-09342023000300327</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v14i3.2829</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Adaptabilidad de cruzas varietales de maíz en Veracruz y Tabasco]]></article-title>
<article-title xml:lang="en"><![CDATA[Adaptability of varietal crosses of corn in the states of Veracruz and Tabasco]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sierra-Macías]]></surname>
<given-names><![CDATA[Mauro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Montalvo]]></surname>
<given-names><![CDATA[Flavio A.]]></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[Tadeo-Robledo]]></surname>
<given-names><![CDATA[Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andrés-Meza]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Montiel]]></surname>
<given-names><![CDATA[Noel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[ Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Estudios Superiores Cuautitlán ]]></institution>
<addr-line><![CDATA[Cuatitlán Izcalli Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Veracruzana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[ Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2023</year>
</pub-date>
<volume>14</volume>
<numero>3</numero>
<fpage>327</fpage>
<lpage>337</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342023000300327&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342023000300327&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342023000300327&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las cruzas varietales representan una alternativa en la producción comercial de maíz híbrido debido a la heterosis que resulta de cruzar dos variedades de polinización libre. Así, con el objetivo de conocer el rendimiento y adaptabilidad de cruzas varietales de maíz, durante los ciclos primavera verano 2016, 2017 y 2018 se evaluaron en Veracruz y Tabasco 20 cruzas varietales de maíz, cinco sintéticos experimentales, las variedades VS-536 y V-537C y el híbrido H-520 utilizado como testigo. Dichos experimentos se distribuyeron bajo un diseño bloques completos al azar con 28 tratamientos y tres repeticiones en parcelas de dos surcos de 5 m de largo, separados a 80 cm en una densidad de 62 500 plantas ha-1. Del análisis de varianza combinado para rendimiento de grano, se encontró significancia estadística al 0.01 de probabilidad para genotipos (G), para ambientes (A) y para la interacción GxA. De acuerdo con los parámetros de estabilidad, los 28 genotipos fueron caracterizados como estables, los híbridos varietales sobresalientes en rendimiento al 0.01 de probabilidad fueron: SINT-2BxVS-536, SINT-4BxVS-536, SINT-4BxSINT-2B, SINT-5BxVS-537C, VS-536xV-537C, SINT-3BxSINT-1BQ, SINT-2BxVS-537C, SINT-5BxVS-536, SINT-1BQxVS-536, SINT-5BxSINT-1BQ con rendimiento de grano de 6.45 a 7.21 t ha-1, mismos que superaron al testigo comercial H-520, así también, los porcentajes de heterosis con respecto al mejor progenitor fueron: 19.76, 13.46, 11.29, 8.54, 16.9, 5.46, 7.64, 6.24, 6.07 y 5.91%, para cada híbrido, respectivamente, de las comparaciones y pruebas de t, las cruzas varietales registraron un rendimiento promedio de 6.39 t ha-1, mayor en 8% en relación con el de los progenitores.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Varietal crosses represent an alternative in the commercial production of hybrid corn due to the heterosis that results from crossing two free-pollinated varieties. Thus, in order to know the yield and adaptability of varietal crosses of corn, during the spring-summer cycles 2016, 2017 and 2018, 20 varietal corn crosses, five experimental synthetics, the varieties VS-536 and V-537C and the hybrid H-520 used as controls, were evaluated in Veracruz and Tabasco. These experiments were distributed under a randomized complete block design with 28 treatments and three repetitions in plots of two furrows 5 m long, 80 cm apart, at a density of 62 500 plants ha-1. From the combined analysis of variance for grain yield, statistical significance at 0.01 probability was found for genotypes (G), for environments (E) and for the GxE interaction. According to the stability parameters, the 28 genotypes were characterized as stable, the varietal hybrids outstanding in yield at 0.01 probability were: SINT-2BxVS-536, SINT-4BxVS-536, SINT-4BxSINT-2B, SINT-5BxVS-537C, VS-536xV-537C, SINT-3BxSINT-1BQ, SINT-2BxVS-537C, SINT-5BxVS-536, SINT-1BQxVS-536, SINT-5BxSINT-1BQ with grain yield of 6.45 to 7.21 t ha-1, which exceeded the commercial control H-520, likewise, the percentages of heterosis with respect to the best parent were: 19.76, 13.46, 11.29, 8.54, 16.9, 5.46, 7.64, 6.24, 6.07, and 5.91%, for each hybrid, respectively, of the comparisons and t-tests, the varietal crosses had an average yield of 6.39 t ha-1, significantly higher by 8% in relation to that of the parents.]]></p></abstract>
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<kwd lng="es"><![CDATA[Zea mays L.]]></kwd>
<kwd lng="es"><![CDATA[heterosis]]></kwd>
<kwd lng="es"><![CDATA[trópico]]></kwd>
<kwd lng="en"><![CDATA[Zea mays L.]]></kwd>
<kwd lng="en"><![CDATA[heterosis]]></kwd>
<kwd lng="en"><![CDATA[tropics]]></kwd>
</kwd-group>
</article-meta>
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