<?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>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532018000200553</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2018.2.1874</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Potencial reproductivo de Stenocerus queretaroensis (Cactaceae) de San José de Cosalima, Zacatecas]]></article-title>
<article-title xml:lang="en"><![CDATA[Reproductive potential of Stenocereus queretaroensis (Cactaceae) of San José de Cosalima, Zacatecas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solís-Márquez]]></surname>
<given-names><![CDATA[Oliva]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Plascencia-Escalante]]></surname>
<given-names><![CDATA[F. Ofelia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero-Manzanares]]></surname>
<given-names><![CDATA[Angélica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-Rodríguez]]></surname>
<given-names><![CDATA[Juan Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ángeles-Pérez]]></surname>
<given-names><![CDATA[Gregorio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Acosta]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yáñez-Jiménez]]></surname>
<given-names><![CDATA[Petra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados Posgrado en Ciencias Forestales ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados Posgrado en Botánica ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Chapingo Departamento de Agroecología ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Veracruzana Centro de Investigaciones Tropicales ]]></institution>
<addr-line><![CDATA[Xalapa Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<volume>89</volume>
<numero>2</numero>
<fpage>553</fpage>
<lpage>562</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532018000200553&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532018000200553&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532018000200553&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Se estudió el potencial reproductivo de una población de Stenocereus queretaroensis, localizada en San José de Cosalima, municipio Tabasco, Zacatecas. Los objetivos fueron: estudiar la variación temporal en la producción de flores, frutos y semillas durante 2 años en 3 parajes; determinar la viabilidad y germinación de la semilla; analizar el efecto de un tratamiento pregerminativo en la eficiencia y velocidad de la germinación, y cuantificar el porcentaje de emergencia y supervivencia de plántulas en campo. De febrero de 2014 a julio de 2015 se siguió la fenología reproductiva del pitayo. Se encontraron diferencias en la producción de flores, frutos y semillas entre parajes y años de evaluación. Se observaron diferencias estadísticas significativas en la viabilidad y germinación de las semillas, así como en la emergencia de plántulas entre parajes y microhábitats diferenciados por tipo de cobertura de dosel. Los resultados de este estudio mostraron que el potencial reproductivo de S. queretaroensis se incrementó en el año de mayor precipitación (2015), con el uso de un tratamiento pregerminativo y bajo el dosel vegetal de la propia especie. Estos resultados pueden ser aplicados en programas de aprovechamiento y conservación del pitayo in situ.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The reproductive potential of a population of Stenocereus queretaroensis was studied in San José de Cosalima, Municipality Tabasco, Zacatecas. The objectives were: to study the temporal variation in flower, fruit and seed production during 2 years in 3 sites; to determine the viability and germination of the seeds; to analyze the effect of a pregerminative treatment on the efficiency and speed of seed germination, and to quantify the emergence and survival percentages of seedlings in the field. From February 2014 to July 2015, the reproductive phenology of pitayo was evaluated. Differences in flower, fruit and seed production were found between sites and the evaluation times. Production of reproductive structures was higher in 2015 than 2014. Significant statistical differences were observed in viability and seed germination, likewise in the emergence of seedlings between sites and microsites differentiated by canopy cover type, being favorable the canopy of Celtis pallida and of the species itself. The results of this study showed that the reproductive potential of S. queretaroensis increased in the year with the greatest precipitation (2015), as well as with the use of a pregerminative treatment, and under the canopy of the species itself. These results can be applied in programs of use and conservation of the pitayo in situ.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Conservación]]></kwd>
<kwd lng="es"><![CDATA[Emergencia de establecimiento]]></kwd>
<kwd lng="es"><![CDATA[Fenofases reproductivas]]></kwd>
<kwd lng="es"><![CDATA[Germinación]]></kwd>
<kwd lng="es"><![CDATA[Pitayo]]></kwd>
<kwd lng="es"><![CDATA[Viabilidad]]></kwd>
<kwd lng="en"><![CDATA[Conservation]]></kwd>
<kwd lng="en"><![CDATA[Emergence recruitment]]></kwd>
<kwd lng="en"><![CDATA[Reproductive phenophases]]></kwd>
<kwd lng="en"><![CDATA[Germination]]></kwd>
<kwd lng="en"><![CDATA[Pitayo]]></kwd>
<kwd lng="en"><![CDATA[Viability]]></kwd>
</kwd-group>
</article-meta>
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