<?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>2007-1132</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias forestales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. de cienc. forestales]]></abbrev-journal-title>
<issn>2007-1132</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-11322020000600157</article-id>
<article-id pub-id-type="doi">10.29298/rmcf.v11i62.792</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Germinación de semillas de Quercus humboldtii Bonpl. (Fagaceae): especie vulnerable del bosque Altoandino]]></article-title>
<article-title xml:lang="en"><![CDATA[Germination of Quercus humboldtii Bonpl. (Fagaceae) seeds: vulnerable species of the high Andean forest]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quevedo García]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prato Sarmiento]]></surname>
<given-names><![CDATA[Andrés Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Pamplona Facultad de Ciencias Agrarias Departamento de Agronomía]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,AGROSAVIA Centro de Investigación La Suiza Corporación Colombiana de Investigación Agropecuaria]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>62</numero>
<fpage>157</fpage>
<lpage>164</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11322020000600157&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11322020000600157&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11322020000600157&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El roble colombiano (Quercus humboldtii) es una especie endémica, dominante y vulnerable de los bosques altoandinos. Su madera y fruto se han utilizado tradicionalmente en pequeña escala por las poblaciones rurales. Una mayor sincronía del proceso de germinación podría facilitar la producción de plántulas para su uso en los programas de conservación. En vivero, se evaluó la emergencia mediante la inmersión de semillas en cuatro soluciones de ácido giberélico (GA3) por 24 horas (0, 150, 300 y 600 mg L-1), a 4 °C. Se adoptó un diseño completamente al azar con cuatro repeticiones de 25 semillas. El tiempo medio de emergencia tuvo una media de 32 días; sin diferencias estadísticamente significativas entre las diferentes dosis. No hubo efecto del GA3 para la emergencia de plántulas hasta 300 mg L-1 (media= 92 %); sin embargo, fue desfavorable con 600 mg L-1 (20 %). Las semillas frescas de roble andino poseen un alto contenido de humedad (38 %). Lo anterior revela un probable comportamiento recalcitrante. Este estudio confirma, como en la mayoría de los encinos blancos del trópico, la ausencia de latencia y la alta viabilidad de sus semillas. El uso del GA3 no es un tratamiento pregerminativo útil para acelerar y uniformizar la emergencia de plántulas de Q. humboldtii.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The Colombian oak (Quercus humdoldtii) is an endemic dominant and vulnerable species of the high Andean forest. The wood and fruits have traditionally been used on a small scale by rural populations. A greater synchrony of the germination process might facilitate the production of seedlings for conservation plans. In a forest nursery, the emergence was evaluated according to immersion of seeds in four solutions of gibberellic acid (GA3) during 24 h (0, 150, 300 and 600 mg L-1), at 4 °C. A completely randomized design was adopted, with four replications of 25 seeds. The mean emergence time was 32 days, without differences between doses. There was no effect of GA3 for the emergence of seedlings up to a dose of 300 mg L-1 (mean= 92 %); however, there was a negative effect with 600 mg L-1 (20 %). Fresh seeds of the Andean oak have a high moisture content (38 %), perhaps indicative of a recalcitrant behavior. This study confirms, as in most white oaks in the tropic, the absence of dormancy and the high viability of their seeds. The use of GA3 is not a useful pre-germinative treatment for accelerating and synchronizing seedling emergency in this species.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bellotas]]></kwd>
<kwd lng="es"><![CDATA[encino]]></kwd>
<kwd lng="es"><![CDATA[emergencia de plántulas]]></kwd>
<kwd lng="es"><![CDATA[latencia]]></kwd>
<kwd lng="es"><![CDATA[regulador vegetal]]></kwd>
<kwd lng="es"><![CDATA[roble andino]]></kwd>
<kwd lng="en"><![CDATA[Acorns]]></kwd>
<kwd lng="en"><![CDATA[oak]]></kwd>
<kwd lng="en"><![CDATA[seedling emergence]]></kwd>
<kwd lng="en"><![CDATA[dormancy]]></kwd>
<kwd lng="en"><![CDATA[growth regulator]]></kwd>
<kwd lng="en"><![CDATA[Andean oak]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Avella]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rangel]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Oak forests types of Quercus humboldtii in the Guantiva - La Rusia - Iguaque corridor (Santander - Boyacá, Colombia): their conservation and sustainable use]]></article-title>
<source><![CDATA[Colombia Forestal]]></source>
<year>2014</year>
<volume>17</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>100-16</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baskin]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Baskin]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Classification system for seed dormancy]]></article-title>
<source><![CDATA[Seed Science Research]]></source>
<year>2004</year>
<volume>14</volume>
<page-range>1-16</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<collab>Ministerio da Agricultura, Pecuária e Abastecimento</collab>
<source><![CDATA[Regras para análise de sementes]]></source>
<year>2009</year>
<page-range>365</page-range><publisher-loc><![CDATA[Brasilia, Brasil ]]></publisher-loc>
<publisher-name><![CDATA[Ministério da agricultura, pecuária e abastecimento]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cabello]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Espinoza]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Espinoza]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Cabrera]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Santelice]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of pre-germinative treatments on Nothofagus glauca seed germination and seedling growth]]></article-title>
<source><![CDATA[New Zealand Journal of Forestry Science]]></source>
<year>2019</year>
<volume>49</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz-Rojas]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Galán-Bernal]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Forero]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Linares]]></surname>
<given-names><![CDATA[E. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Marín-Loaiza]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Osorio]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Characterization of odour-active volátiles and sensory analyses of roasted oak (Quercus humboldtii Bonpl.) acorns, a coffee substitute]]></article-title>
<source><![CDATA[Vitae]]></source>
<year>2019</year>
<volume>26</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>44-50</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ghasemi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Khosh-Khui]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of stratification and growth regulators on seed germination and seedling groth of Quercus lix L]]></article-title>
<source><![CDATA[Journal of Plant Sciences]]></source>
<year>2007</year>
<volume>2</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>341-6</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Toro]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Piedrahita]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Propagación y conservación de especies arbóreas nativas]]></source>
<year>2013</year>
<page-range>360</page-range><publisher-loc><![CDATA[Medellín, Colombia ]]></publisher-loc>
<publisher-name><![CDATA[Ed. Corporación Autónoma Regional del Centro de Antioquia (CORANTIOQUIA)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huerta-Paniagua]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Trejo]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto del tamaño de semilla y la temperatura en la germinación de Quercus rugosa Née]]></article-title>
<source><![CDATA[Revista Chapingo Serie Ciencias Forestales y del Ambiente]]></source>
<year>2011</year>
<volume>17</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>179-87</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaliniewicz]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Tylek]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of scarification on the germination capacity of acorns harvested from uneven-aged stands of pedunculate oak (Quercus robur L.)]]></article-title>
<source><![CDATA[Forests]]></source>
<year>2018</year>
<volume>9</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Hou]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of different mechanical treatments on Quercus variabilis, Q. utaishanica and Q. robur acorn germination]]></article-title>
<source><![CDATA[IForest]]></source>
<year>2015</year>
<volume>8</volume>
<page-range>728-34</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Cuartas]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sobrevivencia y crecimiento de plántulas de tres especies arbóreas en áreas de bosque montano Andino degradadas por ganadería en Colombia]]></article-title>
<source><![CDATA[Acta Biológica Colombiana]]></source>
<year>2015</year>
<volume>20</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>85-100</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ordoñez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Macuacé]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ospina]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de las fuerzas del mercado dendroenergético en la vereda cajete del municipio de Popayán]]></article-title>
<source><![CDATA[Biotecnología en el Sector Agropecuario y Agroindustrial]]></source>
<year>2017</year>
<volume>15</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>116-22</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ranal]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Santana]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[How and why to measure the germination process?]]></article-title>
<source><![CDATA[Revista Brasileira de Botânica]]></source>
<year>2006</year>
<volume>29</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-11</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<collab>R Core Team</collab>
<source><![CDATA[R: A language and environment for statistical computing]]></source>
<year>2017</year>
<publisher-loc><![CDATA[Vienna, Austria ]]></publisher-loc>
<publisher-name><![CDATA[R Foundation for Statistical Computing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez-Trejo]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Pompa-García]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tamaño, color de nuez y sombra afectan la germinación de Quercus desertIcola]]></article-title>
<source><![CDATA[Madera y Bosques]]></source>
<year>2016</year>
<volume>22</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>67-75</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Xia]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Daws]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hay]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pritchard]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparative study of desiccation responses of seeds of Asian Evergreen Oaks, Quercus subgenus Cyclobalanopsis and Quercus subgenus Quercus]]></article-title>
<source><![CDATA[South African Journal of Botany]]></source>
<year>2012</year>
<volume>78</volume>
<page-range>47-54</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
