<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282016000300427</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efectividad de tratamientos pre-germinativos en la ruptura de la dormancia en las semillas forrajeras y de malezas]]></article-title>
<article-title xml:lang="en"><![CDATA[Effectiveness of treatments in pre-germ dormancy breakdown in feed and weed seeds]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Córdova]]></surname>
<given-names><![CDATA[Maria Antonia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Chávez]]></surname>
<given-names><![CDATA[Esteban]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Balandrán-Valladares]]></surname>
<given-names><![CDATA[Martha Irma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Márquez-Quiroz]]></surname>
<given-names><![CDATA[César]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Investigación en Alimentación y Desarrollo, A. C. Unidad Delicias ]]></institution>
<addr-line><![CDATA[ Chihuahua]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Juárez Autónoma de Tabasco División Académica de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>3</volume>
<numero>9</numero>
<fpage>427</fpage>
<lpage>432</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282016000300427&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282016000300427&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282016000300427&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El objetivo del estudio fue evaluar diferentes métodos para romper la latericia de semillas forrajeras (Lolium multiflorum, Bouteloua garcillis y Pennisetum purpureum) y de maleza (Arundo donaz, Sorghum halepense y Amaranthus hybridus L.). Las semillas se recolectaron en el suroeste de la ciudad de Chihuahua, México, las cuales se sometieron a 10 tratamientos pregerminativos: inmersiones en H2SO4 al 5, 10 y 90 %, inmersión en agua a punto de ebullición, inmersión en agua destilada a temperatura ambiente, exposición a temperaturas de 8 °C, exposición a temperatura de 35 °C, oscuridad a 28 °C, luz solar y exposición a luz UV. Los resultados estadísticos indican que los mejores tratamientos fueron la exposición de oscuridad y luz UV, con un porcentaje de germinación del 100 % en L. multiflorum y 70 % en B. garcillis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The aim of this study was to evaluate different methods for breaking dormancy in forage ryegrass seeds (Lolium multiflorum, Bouteloua garcillis and Pennisetum purpureum) and weed seeds of (Arundo donaz, Sorghum halepense, and Amaranthus hybridus L. The seeds were collected in southwest the city of Chihuahua, Mexico, which underwent a 10 pregerminative: H2SO4 dives to 5, 10 and 90 %, immersion in boiling water, immersion in distilled water at room temperature environment, exposure to temperatures of 8 °C, exposure to temperature of 35 °C, 28 °C darkness, exposure to sunlight and UV light. The statistical results indicate that the best treatments were the exposure of UV light and dark, with a significant (&lt;0.0001) and a germination rate of 100 % in L. multiflorum and 70 % in B. garcillis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Fotoperiodo]]></kwd>
<kwd lng="es"><![CDATA[germinación]]></kwd>
<kwd lng="es"><![CDATA[semillas]]></kwd>
<kwd lng="es"><![CDATA[malezas]]></kwd>
<kwd lng="es"><![CDATA[tratamientos pregerminativos]]></kwd>
<kwd lng="en"><![CDATA[Forage]]></kwd>
<kwd lng="en"><![CDATA[germination]]></kwd>
<kwd lng="en"><![CDATA[seeds]]></kwd>
<kwd lng="en"><![CDATA[weeds seeds]]></kwd>
<kwd lng="en"><![CDATA[treatments pregerminatives]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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