<?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>S2007-09342018000701327</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v9i7.1668</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estimación de parámetros genéticos de maíz bajo mejoramiento por selección recíproca recurrente]]></article-title>
<article-title xml:lang="en"><![CDATA[Estimation of maize genetic parameters under improvement by recurrent reciprocal selection]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Melendres-Martínez]]></surname>
<given-names><![CDATA[José Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdivia-Bernal]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lemus-Flores]]></surname>
<given-names><![CDATA[Clemente]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina Torres]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-López]]></surname>
<given-names><![CDATA[Mariano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-Caton]]></surname>
<given-names><![CDATA[Margarito]]></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-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nayarit Ciencias Biológicas Agropecuarias y Pesquera ]]></institution>
<addr-line><![CDATA[Xalisco Nayarit]]></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>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Estudios Superiores ]]></institution>
<addr-line><![CDATA[Cuautitlán Izcalli Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>11</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>11</month>
<year>2018</year>
</pub-date>
<volume>9</volume>
<numero>7</numero>
<fpage>1327</fpage>
<lpage>1337</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342018000701327&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342018000701327&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342018000701327&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En el desarrollo de híbridos trilineales de maíz se requiere conocer los parámetros genéticos de las poblaciones que se usan para derivar sus líneas progenitoras. En este estudio se estimó la varianza aditiva directamente del componente genotípico del Anova en la evaluación aleatoria de 182 líneas S1 derivadas de la población &#8216;P&#8217; (productores). Ésta participa en un patrón heterótico PxA (agricultores) en mejoramiento continuo mediante el método de la selección recíproca recurrente (SRR). En 2014 se evaluaron las líneas en Xalisco, Compostela y Santa María del Oro, Nayarit. El Anova combinado detectó diferencias significativas entre las líneas para la mayoría de las variables estudiadas. Altas estimas de varianza aditiva resultaron para rendimiento de grano y otras características agronómicas. Altas estimas de heredabilidad en sentido estricto fueron observadas debido a las altas estimas de varianza aditiva. El rendimiento de grano mostró una alta heredabilidad de 0.63, similar a la mayoría de las estimas estudiadas en maíz. Una alta heredabilidad fue observada en todos los caracteres de los componentes de rendimiento. Las estimas de heredabilidad variaron del 0.54 al 0.87 y se encuentran en los rangos similares que se han observado en la mayoría de los estudios realizados en maíz. Los valores son adecuados para el progreso en los caracteres evaluados de la población P; lo que permitirá para el caso de híbridos trilineales encontrar combinaciones intra-cruzas simples que se pueden usar como cruzas simples hembra en la producción de grano y semilla.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In the development of trilineal corn hybrids it is required to know the genetic parameters of the populations that are used to derive their parent lines. In this study, the additive variance was estimated directly from the genotype component of the Anova in the random evaluation of 182 S1 lines derived from the &#8216;P&#8217; population (producers). This participates in a heterotic pattern P x A (farmers) in continuous improvement through the method of reciprocal recurrent selection (SRR). In 2014 the lines were evaluated in Xalisco, Compostela and Santa Maria del Oro, Nayarit. The combined Anova detected significant differences between the lines for most of the variables studied. High estimates of additive variance resulted for grain yield and other agronomic characteristics. High estimates of heritability in the strict sense were observed due to high estimates of additive variance. The grain yield showed a high heritability of 0.63, similar to most of the estimates studied in corn. A high heritability was observed in all the characters of the performance components. Heritability estimates varied from 0.54 to 0.87 and are in the similar ranges that have been observed in most studies conducted in corn. The values are adequate to have progress in the evaluated characters of the population P; which will allow for the case of the development of trilinear hybrids to find simple intra-cross combinations that can be used as simple female crosses in the production of grain and seed.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[heredabilidad]]></kwd>
<kwd lng="es"><![CDATA[híbridos trilineales de maíz]]></kwd>
<kwd lng="es"><![CDATA[variabilidad genética aditiva]]></kwd>
<kwd lng="en"><![CDATA[heritability]]></kwd>
<kwd lng="en"><![CDATA[trilinear maize hybrids]]></kwd>
<kwd lng="en"><![CDATA[additive genetic variability]]></kwd>
</kwd-group>
</article-meta>
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