<?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>1405-0471</journal-id>
<journal-title><![CDATA[Madera y bosques]]></journal-title>
<abbrev-journal-title><![CDATA[Madera bosques]]></abbrev-journal-title>
<issn>1405-0471</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-04712021000300118</article-id>
<article-id pub-id-type="doi">10.21829/myb.2021.2732263</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Storage time effect on the germination of Haematoxylum campechianum in Campeche, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto del tiempo de almacenamiento en la germinación de Haematoxylum campechianum en Campeche, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Euan-Tun]]></surname>
<given-names><![CDATA[Joel Leonel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Durán]]></surname>
<given-names><![CDATA[Enrique Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Benítez]]></surname>
<given-names><![CDATA[José Efraín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zamora-Crescencio]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Contreras]]></surname>
<given-names><![CDATA[Jorge Albino]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Robles]]></surname>
<given-names><![CDATA[Ulises]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez-Hernández]]></surname>
<given-names><![CDATA[Jane Kelita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caamal-Velázquez]]></surname>
<given-names><![CDATA[José Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aragón-Gastélum]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Campeche Facultad de Ciencias Químico-Biológicas ]]></institution>
<addr-line><![CDATA[Campeche ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Campeche Centro de Investigaciones Históricas y Sociales ]]></institution>
<addr-line><![CDATA[Campeche ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de la Costa Sur Departamento de Ecología y Recursos Naturales]]></institution>
<addr-line><![CDATA[ Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de la Costa Sur Laboratorio de Ecosistemas y Agroecosistemas]]></institution>
<addr-line><![CDATA[ Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Champotón Campeche]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>27</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-04712021000300118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-04712021000300118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-04712021000300118&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Haematoxylum campechianum L. (Fabaceae), is an economically and culturally important tropical tree distributed across Central America and the Yucatán Peninsula, Mexico. To contribute to the conservation of this species, it is important to understand the seed germination process; however, research in this subject on H. campechianum remains scarce. We evaluated the relationship between the H. campechianum seed storage time and its fresh weight and germination. Mature seeds were collected in the municipality of Palizada, Campeche, Mexico, from 2016 to 2019, stored at 25 °C and 60%-80% relative humidity until experimentation after the 2019 collection. Seed replicates (10, comprising 25 seeds) were weighed to estimate fresh weight per collection year. Seed viability was determined by means of the tetrazolium test, while germination was carried out in Petri dishes using cotton as a substrate under a 12-hr photoperiod at 25 °C. The seeds collected in 2019 presented a high viability and germination (100% and 98.5% respectively), in contrast with those collected in 2018, which presented a drastic reduction in the values for these parameters (55% and 54%, respectively). Null viability and germination were observed in seeds collected in 2016 and 2017. The seeds collected in 2016 showed the highest fresh weight values than the other years sampled. The results indicate that the viability and germination of H. campechianum seeds were observed to be affected by storage time, the recently harvested seeds presented a higher viability and germination than older seeds. Therefore, the H. campechianum seeds could be recalcitrant because they presented an accelerated ageing process over the collection periods.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Haematoxylum campechianum L. (Fabaceae), es una un árbol tropical de importancia económica y cultural distribuida en Centroamérica y la Península de Yucatán, México. Para contribuir a la conservación de esta especie, es importante entender el proceso de germinación de semillas, sin embargo, las investigaciones sobre este tema en H. campechianum siguen siendo escasas. Se evaluó la relación entre el tiempo de almacenamiento de las semillas de H. campechianum y su peso fresco y germinación. Se recolectaron semillas maduras en el municipio de Palizada, Campeche, México, de 2016 a 2019, y se almacenaron a 25 °C y 60%-80% de humedad relativa hasta la experimentación después de la recolecta de 2019. Se pesaron lotes de semillas (10, conteniendo 25 semillas) para estimar el peso fresco por año de recolecta. La viabilidad de semillas se determinó mediante la prueba de tetrazolio, mientras que la germinación se realizó en cajas de Petri utilizando algodón como sustrato bajo un fotoperíodo de 12 h a 25 °C. Las semillas recolectadas en 2019 presentaron una alta viabilidad y germinación (100% y 98.5% respectivamente), en contraste con las recolectadas en 2018, que presentaron una reducción drástica en los valores para estos parámetros (55% y 54% respectivamente). Se observó nula viabilidad y germinación en semillas recolectadas en 2016 y 2017. Las semillas recolectadas en 2016 mostraron los valores de peso fresco más altos que los otros años muestreados. Los resultados indican que la viabilidad y la germinación de las semillas de H. campechianum se vieron afectadas por el tiempo de almacenamiento, las semillas recién cosechadas presentaron mayor viabilidad y germinación que las semillas más viejas. Por lo tanto, las semillas de H. campechianum pudieran ser recalcitrantes debido a que presentaron un proceso de envejecimiento acelerado durante los períodos de recolección.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[conservation]]></kwd>
<kwd lng="en"><![CDATA[fresh weight]]></kwd>
<kwd lng="en"><![CDATA[palo de tinte]]></kwd>
<kwd lng="en"><![CDATA[recalcitrance]]></kwd>
<kwd lng="en"><![CDATA[viability]]></kwd>
<kwd lng="es"><![CDATA[conservación]]></kwd>
<kwd lng="es"><![CDATA[peso fresco]]></kwd>
<kwd lng="es"><![CDATA[palo de tinte]]></kwd>
<kwd lng="es"><![CDATA[recalcitrancia]]></kwd>
<kwd lng="es"><![CDATA[viabilidad]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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