<?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>S2007-09342016000802063</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Determinación de giberelina A4 y trans zeatina ribósido en diferentes órganos de Dasylirion cedrosanum]]></article-title>
<article-title xml:lang="en"><![CDATA[Determination of gibberellin A4 and trans zeatine roboside in diferente organs of Dasylirion cedrosanum]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivas Martínez]]></surname>
<given-names><![CDATA[Erika Nohemi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Foroughbakhch Pournavab]]></surname>
<given-names><![CDATA[Rahim]]></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[Benavides Mendoza]]></surname>
<given-names><![CDATA[Adalberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Departamento de Botánica ]]></institution>
<addr-line><![CDATA[San Nicolás de los Garza Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Departamento de Fitomejoramiento y Horticultura ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>8</numero>
<fpage>2063</fpage>
<lpage>2069</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342016000802063&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342016000802063&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342016000802063&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Dasylirion cedrosanum es una planta dioica de importancia comercial en la industria de las bebidas alcohólicas, de la cual se desconoce su composición bioquímica y fisiología hormonal. Debido a la importancia fisiológica que tienen las fitohormonas en la formación, desarrollo y diferenciación de tejidos se consideró la cuantificación de la giberelina A4 (GA4) y trans zeatina ribósido (tZR) en diferentes órganos de plantas estaminadas y pistiladas de D. cedrosanum. La cuantificación de ambas hormonas se realizó en hojas, corona e inflorescencia de plantas de D. cedrosanum colectadas en el 2013 en General Cepeda, México. Los valores más altos de GA4 fueron encontrados en las hojas (0.10 ± 0.02 mg g-1 PS y 0.15 ± 0.03 mg g-1 PS) sin observarse diferencias entre sexos. El mayor contenido de tZR fue cuantificado en las coronas (0.09 ± 0.01 mg g-1 PS y 0.10 ± 0 mg g-1 PS) de plantas estaminadas y pistiladas, así como en las hojas de plantas estaminadas (0.09 ± 0.01 mg g-1 PS). Solo el promedio global de GA4 denotó diferencias, presentándose el valor más alto en las plantas estaminadas. Los niveles cuantificados en cada órgano son un punto de partida para establecer las bases fisiológicas de las respuestas hormonales en Dasylirion cedrosanum.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Dasylirion cedrosanum is a dioecious plant of commercial importance in the industry of alcoholic beverages, of which its biochemical composition and hormonal physiology is unknown. Due to the physiological importance of plant hormones in the formation, development and tissue differentiation, it was considered the quantification of gibberellin A4 (GA4) and trans zeatin riboside (tZR) in different organs of staminate and pistillate plants of D. cedrosanum. Quantification of both hormones was performed on leaves, crown and inflorescences of D. cedrosanum plants collected in 2013 in General Cepeda, Mexico. The highest values of GA4 were found in the leaves (0.10±0.02 mg g-1 DW and 0.15±0.03 mg g-1 DW) with no differences between sexes. The highest content of tZR was quantified in the crowns (0.09 ± 0.01 mg g-1 DW and 0.10 ± 0 mg g-1 DW) of staminate and pistillate plants, thus in leaves from staminate plants (0.09 ± 0.01 mg g-1 DW). Only the global average of GA4 denoted differences, presenting the highest value in staminate plants. Quantified levels in each of the organs are a starting point to establish the physiological basis of hormonal responses in Dasylirion cedrosanum.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[dioecia]]></kwd>
<kwd lng="es"><![CDATA[fitohormonas]]></kwd>
<kwd lng="es"><![CDATA[reguladores del crecimiento]]></kwd>
<kwd lng="es"><![CDATA[sotol]]></kwd>
<kwd lng="en"><![CDATA[dioecious]]></kwd>
<kwd lng="en"><![CDATA[growth regulators]]></kwd>
<kwd lng="en"><![CDATA[plant hormones]]></kwd>
<kwd lng="en"><![CDATA[sotol]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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