<?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>2007-0705</journal-id>
<journal-title><![CDATA[Nova scientia]]></journal-title>
<abbrev-journal-title><![CDATA[Nova scientia]]></abbrev-journal-title>
<issn>2007-0705</issn>
<publisher>
<publisher-name><![CDATA[Universidad de La Salle Bajío A. C., Coordinación de Investigación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-07052016000200087</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Propagación de Dalbergia congestiflora Pittier (Fabaceae) por estaca: efecto de la concentración de AIB y el tejido de la estaca]]></article-title>
<article-title xml:lang="en"><![CDATA[Propagation of Dalbergia congestiflora Pittier (Fabaceae) by steam cuttings: effect of IBA concentration and position of cuttings on shoots]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández García]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salgado Garciglia]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ambriz Parra]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Facultad de Ingeniería en Tecnología de la Madera ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Instituto de Investigaciones Químico-Biológicas ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2016</year>
</pub-date>
<volume>8</volume>
<numero>17</numero>
<fpage>87</fpage>
<lpage>96</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-07052016000200087&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-07052016000200087&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-07052016000200087&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: Dalbergia congestiflora Pittier (campincerán) se utiliza para elaborar instrumentos musicales en Michoacán (México), por lo que esta especie se considera sobre explotada y en riesgo de extinción. Los estudios sobre su propagación son escasos, pero los factores que podrían afectar la propagación por estaca de esta especie son la concentración de auxina exógena y el tejido de la estaca. La hipótesis fue que la brotación y el enraizamiento se presentan a concentraciones entre 1 y 10 ppm de ácido indolbutírico (AIB) solo en las estacas basales.  Método: Las estacas de D. congestiflora fueron colectadas en el municipio de Carácuaro, Michoacán. Las estacas apicales, medias y basales fueron colocadas en una solución enraizadora de 1, 5 y 10 ppm de AIB preparada a partir de tres fuentes de auxina . Las variables evaluadas fueron el porcentaje de brotación, el número y longitud de los brotes por estaca después de 15, 45 y 75 días, mientras que el porcentaje de enraizado fue evaluado después de 150 días de cultivo.  Resultados: La brotación de estacas de D. congestiflora se presentó en todos los tratamientos. El número y la longitud de brotes fueron mayores en las estacas basales en relación a las estacas apicales y medias. Después de 150 días de cultivo, las estacas formaron raíces solo en las estacas basales con 10 ppm de AIB.  Conclusión: La brotación en estacas de D. congestiflora se logra a concentraciones bajas de AIB y es independiente del tejido de la estaca, mientras que el enraizamiento se presentó solo a a 10 ppm de AIB.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Dalbergia congestiflora Pittier (campincerán) is used to make musical instruments in Michoacán (Mexico), so this specie is considered overexploited and at risk of extinction. Propagation studies of campincerán are scarce, but the factors that could affect the propagation by stem cuttings of this species are auxin exogenous concentration and position of the stem cuttings (apical, media and basal). The hypothesis tested is that a higher sprouting and rooting at concentrations between 1 and 10 ppm of indolbutyric acid (IBA) and the basal stem cuttings are observed.  Method: The stem cuttings of D. congestiflora were collected in Tacámbaro, Michoacán. The apical, middle and basal cuttings were placed in a rooting solution of 1, 5 and 10 ppm of IBA. The variables studied were the sprouting percentage, the mean number of sprouts and the mean length of the sprouts after 15, 45 and 75 days, while the percentage of rooting was evaluated after 150 days.  Results: The sprouting percentage, mean number of sprouts and mean length of sprouts were higher in basal cuttings in relation to the apical and meddle cuttings. The rooting was observed only at basal cuttings with 10 ppm of IBA.  Conclusion The sprouting of cuttings was observed at low cocentrations of IBA and this is independent of position stem cuttings, but the rooting occurred only at 10 ppm of IBA.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[brotación]]></kwd>
<kwd lng="es"><![CDATA[campincerán]]></kwd>
<kwd lng="es"><![CDATA[Dalbergia congestiflora]]></kwd>
<kwd lng="es"><![CDATA[enraizado]]></kwd>
<kwd lng="es"><![CDATA[propagación vegetativa]]></kwd>
<kwd lng="en"><![CDATA[sprouting]]></kwd>
<kwd lng="en"><![CDATA[campincerán]]></kwd>
<kwd lng="en"><![CDATA[Dalbergia congestiflora]]></kwd>
<kwd lng="en"><![CDATA[rooting]]></kwd>
<kwd lng="en"><![CDATA[vegetative propagation]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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