<?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>0187-7380</journal-id>
<journal-title><![CDATA[Revista fitotecnia mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. fitotec. mex]]></abbrev-journal-title>
<issn>0187-7380</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitogenética A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-73802019000200155</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[APTITUD COMBINATORIA Y HETEROSIS EN VARIEDADES DE GERBERA (Gerbera × hybrida)]]></article-title>
<article-title xml:lang="en"><![CDATA[COMBINING ABILITY AND HETEROSIS IN GERBERA (Gerbera × hybrida) VARIETIES]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera-Colín]]></surname>
<given-names><![CDATA[Azucena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mejía-Carranza]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-García]]></surname>
<given-names><![CDATA[Luis M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Urbina-Sánchez]]></surname>
<given-names><![CDATA[Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Gerardo]]></surname>
<given-names><![CDATA[Marithza G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México Centro Universitario Tenancingo ]]></institution>
<addr-line><![CDATA[Tenancingo Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Tecnológico de Estudios Superiores de Villa Guerrero División de Ingeniería en Innovación Agrícola Sustentable ]]></institution>
<addr-line><![CDATA[Villa Guerrero Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>42</volume>
<numero>2</numero>
<fpage>155</fpage>
<lpage>162</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802019000200155&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802019000200155&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802019000200155&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Los cultivos que cuentan con un número considerable de variedades cultivadas, como la gerbera (Gerbera × hybrida), pueden ser evaluados mediante experimentos de cruzas dialélicas para la formación de nuevos híbridos. El objetivo de la presente investigación fue estimar la aptitud combinatoria general (ACG) de seis variedades de gerbera y la aptitud combinatoria específica (ACE) de sus cruzas dialélicas, así como la heterosis en componentes de rendimiento y calidad de flores. Se empleó el método 1 de progenitores y sus cruzas F1 directas y recíprocas con el modelo II de efectos aleatorios de Griffing. La evaluación se realizó bajo un diseño experimental de bloques completos al azar con cuatro repeticiones. El análisis estadístico detectó diferencias significativas (P &#8804; 0.01) dentro y entre progenitores y cruzas, así como en las interacciones, lo que evidenció amplia variabilidad entre progenitores y efectos maternos significativos por herencia citoplásmica. Los mayores efectos de ACG (P &#8804; 0.01) para rendimiento de tallos florales lo tuvieron los progenitores IGL, MG2 y FAS, mientras que los mayores efectos de ACE los mostraron las cruzas FAS × JES, ALC × IGL y DIN × IGL. Se encontraron efectos positivos de heterosis para rendimiento en las cruzas FAS × IGL, JES × IGL, ALC × IGL, DIN × IGL, MG2 × IGL y FAS × MG2. Los resultados sugieren que Igloo y Fascination pueden ser utilizados como progenitores superiores en programas de cruzamiento para desarrollo de nuevas variedades de gerbera. Los valores altamente significativos de ACG para rendimiento de flor indican la importancia relativa de la acción génica aditiva sobre los efectos no aditivos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[SUMMARY Crops that have a considerable number of cultivated varieties such as gerbera (Gerbera × hybrida) can be evaluated by diallel cross experiments for the formation of new hybrids. The aim of this research was to estimate the general combining ability (GCA) of six varieties of gerbera and the specific combining ability (SCA) of their diallel crosses and the heterosis on yield components and flower quality. The Griffing method 1 of parents and their direct and reciprocal F1 crosses was used with model II of random effects. The evaluation was carried out under a randomized complete blocks experimental design with four replications. The statistical analysis detected significant differences (P &#8804; 0.01) within and between parents and crosses, as well as in the interactions, which showed wide variability between parents and significant maternal effects due to cytoplasmic inheritance. The greatest effects of GCA (P &#8804; 0.01) for yield of floral stems were obtained by the IGL, MG2 and FAS progenitors, while the greatests effects of SCA were shown by crosses FAS × JES, ALC × IGL and DIN × IGL. Positive effects of heterosis for yield were found in the crosses FAS × IGL, JES × IGL, ALC × IGL, DIN × IGL, MG2 × IGL and FAS × MG2. The results suggest that Igloo and Fascination can be used as superior parents in breeding programs for the development of new gerbera varieties. Highly significant GCA values for flower yield indicate the relative importance of additive gene action over non-additive effects.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Gerbera × hybrida]]></kwd>
<kwd lng="es"><![CDATA[aptitud combinatoria general]]></kwd>
<kwd lng="es"><![CDATA[aptitud combinatoria específica]]></kwd>
<kwd lng="es"><![CDATA[cruzas dialélicas]]></kwd>
<kwd lng="es"><![CDATA[heterosis]]></kwd>
<kwd lng="es"><![CDATA[rendimiento]]></kwd>
<kwd lng="es"><![CDATA[calidad de flor]]></kwd>
<kwd lng="en"><![CDATA[Gerbera × hybrida]]></kwd>
<kwd lng="en"><![CDATA[general combining ability]]></kwd>
<kwd lng="en"><![CDATA[specific combining ability]]></kwd>
<kwd lng="en"><![CDATA[diallel crosses]]></kwd>
<kwd lng="en"><![CDATA[heterosis]]></kwd>
<kwd lng="en"><![CDATA[yield]]></kwd>
<kwd lng="en"><![CDATA[flower quality]]></kwd>
</kwd-group>
</article-meta>
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