<?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>2007-4018</journal-id>
<journal-title><![CDATA[Revista Chapingo serie ciencias forestales y del ambiente]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Chapingo ser. cienc. for. ambient]]></abbrev-journal-title>
<issn>2007-4018</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma Chapingo, Coordinación de Revistas Institucionales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-40182021000200277</article-id>
<article-id pub-id-type="doi">10.5154/r.rchscfa.2020.06.046</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Interspecific grafting as an alternative for asexual propagation of Pinus rzedowskii Madrigal &amp; Caball. Del. in danger extinction]]></article-title>
<article-title xml:lang="es"><![CDATA[Injerto interespecífico como alternativa para la propagación asexual de Pinus rzedowskii Madrigal &amp; Caball. Del. en riesgo de extinción]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solorio-Barragán]]></surname>
<given-names><![CDATA[Edgar R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delgado-Valerio]]></surname>
<given-names><![CDATA[Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina-Sánchez]]></surname>
<given-names><![CDATA[Agustín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rebolledo-Camacho]]></surname>
<given-names><![CDATA[Virginia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tafolla-Martínez]]></surname>
<given-names><![CDATA[Miguel Á.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo (UMSNH)  ]]></institution>
<addr-line><![CDATA[Uruapan Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Veracruzana  ]]></institution>
<addr-line><![CDATA[Xalapa Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<volume>27</volume>
<numero>2</numero>
<fpage>277</fpage>
<lpage>288</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40182021000200277&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40182021000200277&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40182021000200277&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction : Pinus rzedowskii Madrigal &amp; Caball. Del. is endemic to Mexico, in danger of extinction and low natural reproduction. An alternative for propagation is interspecific grafting, under the assumption that the phylogenetically more related species positively influence survival.  Objectives:  To evaluate grafting survival of P. rzedowskii with rootstocks of five Pinus species.  Materials and methods:  Interspecific grafting of P. rzedowskii with P. pinceana Gordon &amp; Glend, P. maximartinezii Rzed., P. ayacahuite var. veitchii (Roezl) Shaw, P. pseudostrobus Lindl. and P. rzedowskii (control treatment) was carried out. The grafting method was side-veneer graft; grafting was quantified for six months and survival was evaluated using the nonparametric Kaplan-Meier method.  Results and discussion:  The highest final grafting survival and expected survival function were obtained with rootstocks of P. rzedowskii (85.7 ± 0.21 %; m = 0.97), followed by P. pinceana (80 ± 0.31 %; m = 0.95); P. pseudostrobus had the lowest values (20 ± 0.89 %; m = 0.66). Significant differences (P &lt; 0.0001) were observed between P. pseudostrobus and P. maximartinezii regarding P. rzedowskii a P. pinceana.  Conclusion: P. pinceana, a species phylogenetically closer to P. rzedowskii and P. maximartinezii, was the one with the highest survival rate, which may be an alternative for the rescue and ex situ conservation of P. rzedowskii.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: Pinus rzedowskii Madrigal &amp; Caball. Del. es endémica de México, en peligro de extinción y con baja reproducción natural. Una alternativa para su propagación es el injerto interespecífico, bajo la premisa de que las especies filogenéticamente más relacionadas influyen positivamente en la supervivencia.  Objetivos:  Evaluar la supervivencia de injertos de P. rzedowskii con plantas-patrón de cinco especies de Pinus.  Materiales y métodos:  Se realizaron injertos interespecíficos de P. rzedowskii con P. pinceana Gordon &amp; Glend., P. maximartinezii Rzed., P. ayacahuite var. veitchii (Roezl) Shaw, P. pseudostrobus Lindl. y P. rzedowskii (testigo). El método de injerto fue el enchapado lateral; el prendimiento se cuantificó durante seis meses y la supervivencia se evaluó con el método no paramétrico de Kaplan-Meier.  Resultados y discusión:  La supervivencia final más alta de los injertos y la función esperada de supervivencia se obtuvieron con plantas-patrón de P. rzedowskii (85.7 ± 0.21 %; m = 0.97), seguido de P. pinceana (80 ± 0.31 %; m = 0.95); P. pseudostrobus obtuvo los valores más bajos (20 ± 0.89 %; m = 0.66). Se obtuvieron diferencias significativas (P &lt; 0.0001) entre P. pseudostrobus y P. maximartinezii con relación a P. rzedowskii y P. pinceana.  Conclusión: P. pinceana, especie filogenéticamente más cercana con P. rzedowskii y P. maximartinezii, fue la de mayor supervivencia, por lo que puede ser una alternativa para el rescate y conservación ex situ de P. rzedowskii.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[survival]]></kwd>
<kwd lng="en"><![CDATA[phylogenetic relationships]]></kwd>
<kwd lng="en"><![CDATA[side-veneer grafting]]></kwd>
<kwd lng="en"><![CDATA[grafting success]]></kwd>
<kwd lng="en"><![CDATA[Pinus pinceana]]></kwd>
<kwd lng="es"><![CDATA[supervivencia]]></kwd>
<kwd lng="es"><![CDATA[relaciones filogenéticas]]></kwd>
<kwd lng="es"><![CDATA[enchapado lateral]]></kwd>
<kwd lng="es"><![CDATA[prendimiento de injerto]]></kwd>
<kwd lng="es"><![CDATA[Pinus pinceana]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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