<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282018000100065</article-id>
<article-id pub-id-type="doi">10.19136/era.a5n13.1276</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Genetic diversity in apple tree cultivars established in the Sierra de Arteaga, Coahuila, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Diversidad genética en cultivares de manzano establecidos en la Sierra de Arteaga Coahuila, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escobar-Saucedo]]></surname>
<given-names><![CDATA[Mayra Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[Cristóbal]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Ramos]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-Valdés]]></surname>
<given-names><![CDATA[Manuel Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Herrera]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Coahuila Facultad de Ciencias Químicas Departamento de Investigación en Alimentos]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,INIFAP  ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Departamento de Fitomejoramiento ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<volume>5</volume>
<numero>13</numero>
<fpage>65</fpage>
<lpage>70</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282018000100065&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282018000100065&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282018000100065&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT. Apple production in the Sierra de Arteaga, Coahuila is mainly based on the Golden Delicious cultivar. Production based on only a few cultivars represents a genetic risk, because if they are susceptible to a pest, disease or climate change much of this production would be lost if one or more of these conditions occurred. Foreseeing this situation, farmers have introduced different commercial apple cultivars, but there is little information about the genetic diversity among them. Therefore, the aim of this study was to estimate the rates of intraspecific genetic diversity of 12 different apple cultivars using inter-simple sequence repeat (ISSR) molecular markers. Employing nine ISSR primers, it was possible to identify 124 DNA bands, of which 63% were polymorphic, with genetic diversity of 0.24. Results suggest that these cultivars are adapted to the region&#8217;s climate and can be utilized to increase the overall plantation area, in order not to depend on a single cultivar.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN. La producción de manzana en la Sierra de Arteaga, Coahuila se basa principalmente en el cultivar Golden Delicious. La siembra de pocos cultivares representa un riesgo, de plagas, enfermedades o cambios climáticos, que pueden afectar la producción. Por lo que los agricultores han introducido diferentes variedades de manzano, de los que no se tiene información sobre su diversidad genética. El objetivo fue estimar los índices de diversidad genética intraespecíficos con marcadores moleculares intersecuencias simples repetidos (ISSR) de 12 cultivares de manzano de la Sierra de Arteaga. Con ayuda de nueve iniciadores se identificaron 124 bandas, de las cuales el 63% fueron polimórficas, con diversidad genética de 0.24. Los resultados sugieren que éstos cultivares están adaptados a las condiciones climáticas de la región y se pueden utilizar para incrementar el área de plantación, para no depender de un cultivar.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Genetic diversity]]></kwd>
<kwd lng="en"><![CDATA[chilling units]]></kwd>
<kwd lng="en"><![CDATA[Malus domestica Borkh]]></kwd>
<kwd lng="en"><![CDATA[ISSR]]></kwd>
<kwd lng="en"><![CDATA[polymorphism]]></kwd>
<kwd lng="es"><![CDATA[Diversidad genética]]></kwd>
<kwd lng="es"><![CDATA[horas frío]]></kwd>
<kwd lng="es"><![CDATA[Malus domestica Borkh]]></kwd>
<kwd lng="es"><![CDATA[ISSR]]></kwd>
<kwd lng="es"><![CDATA[polimorfismo]]></kwd>
</kwd-group>
</article-meta>
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