<?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>S2007-11322020000300118</article-id>
<article-id pub-id-type="doi">10.29298/rmcf.v11i59.700</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Selección fenotípica y características reproductivas de Pinus pseudostrobus var. oaxacana (Mirov) S.G.Harrison]]></article-title>
<article-title xml:lang="en"><![CDATA[Phenotype selection and reproductive characteristics of Pinus pseudostrobus var. oaxacana (Mirov) S.G.Harrison]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aragón Peralta]]></surname>
<given-names><![CDATA[Rey David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Ortiz]]></surname>
<given-names><![CDATA[Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas Hernández]]></surname>
<given-names><![CDATA[José Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez del Valle]]></surname>
<given-names><![CDATA[José Raymundo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Hernández]]></surname>
<given-names><![CDATA[Adán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos Ángeles]]></surname>
<given-names><![CDATA[Gisela Virginia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico del Valle de Oaxaca  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Valles Centrales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>59</numero>
<fpage>118</fpage>
<lpage>140</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11322020000300118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11322020000300118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11322020000300118&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Pinus pseudostrobus var. oaxacana es un taxon importante en Oaxaca por la calidad de su madera; aunque, también es preferida para la reforestación y plantaciones, pero se desconoce su capacidad para la producción de semilla. Los objetivos de la presente investigación consistieron en evaluar la variación morfológica, conocer las características reproductivas de conos y semillas y su relación con factores ambientales de árboles semilleros de la especie de interés seleccionados en cinco procedencias del estado. Durante noviembre y diciembre de 2017, se recolectaron 1 058 conos de 42 individuos a los que se les midieron variables morfológicas, y determinaron la eficiencia reproductiva e índice de endogamia; los árboles y procedencias se diferenciaron mediante análisis de varianza y pruebas de medias de Duncan. Las características reproductivas se correlacionaron con variables ambientales (sitios de recolecta) y dasométricas de los progenitores. Los datos registrados fueron 51.7±8.0 años de edad, altura de 36.4±4.6 m y diámetro normal de 54.5±8.2 cm. Los valores medios obtenidos por cono fueron: longitud 101.3 mm, diámetro 56 mm, peso seco 97.9 g, 133 escamas, 107 semillas desarrolladas por cono; las semillas desarrolladas por cono pesaron 2.35 g, peso promedio por semilla 0.021 g; eficiencia reproductiva 13.09 mg por gramo de estróbilo; IE = 0.50 (índice de endogamia), que indica un alto nivel de autofecundación; el IE decrece con la altitud y aumenta con la cantidad de recolecta. De las características evaluadas, la eficiencia reproductiva e IE no mostraron diferencias significativas entre poblaciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Pinus pseudostrobus var. oaxacana, an important species of Oaxaca State from its wood quality; even though it is preferred for reforestation and plantations, the seed production capacity of this species is unknown. The aim of the actual study was to evaluate the morphological variation, reproductive characteristics and their relationship with environmental factors of cones and seeds of selected P. pseudostrobus var. oaxacana trees as seed trees from five provenances of the state. From November to December 2017, 1 058 cones were collected from 42 selected trees, to which the following characteristics were assessed: length, diameter, dry weight, number of scales, number and of weight of fully developed seeds, average weight per seed, reproductive efficiency and inbreeding index. Trees and provenances were differentiated by analysis of variance and mean tests (Duncan, 0.05). Reproductive characteristics were correlated with environmental variables (collection sites) and morphological characteristics. Selected trees were 51.7±8.0 years old, 36.4±4.6 m high and 54.5±8.2 cm diameter at breast height. The average values per cone were: 101.3 mm long; 56 mm diameter, 97.9 g dry weight; 133 scales; 107 developed seeds per cone; 2.35 g weight of developed seeds per cone; 0.021 g average weight per seed; reproductive efficiency of 13.09 mg per gram of strobilus; inbreeding index (II = 0.50) indicates a high level of self-fertilization. Of the evaluated characteristics, reproductive efficiency and II did not show significant differences.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Árbol sobresaliente]]></kwd>
<kwd lng="es"><![CDATA[árbol semillero]]></kwd>
<kwd lng="es"><![CDATA[características de conos]]></kwd>
<kwd lng="es"><![CDATA[características reproductivas]]></kwd>
<kwd lng="es"><![CDATA[endogamia]]></kwd>
<kwd lng="es"><![CDATA[factor ambiental]]></kwd>
<kwd lng="en"><![CDATA[Outstanding tree]]></kwd>
<kwd lng="en"><![CDATA[seed tree]]></kwd>
<kwd lng="en"><![CDATA[cones characteristics]]></kwd>
<kwd lng="en"><![CDATA[reproductive characteristics]]></kwd>
<kwd lng="en"><![CDATA[inbreeding]]></kwd>
<kwd lng="en"><![CDATA[environmental factors]]></kwd>
</kwd-group>
</article-meta>
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