<?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>0864-0394</journal-id>
<journal-title><![CDATA[Pastos y Forrajes]]></journal-title>
<abbrev-journal-title><![CDATA[Pastos y Forrajes]]></abbrev-journal-title>
<issn>0864-0394</issn>
<publisher>
<publisher-name><![CDATA[Estación Experimental de Pastos y Forrajes Indio Hatuey]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03942021000100002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Calidad y dormición física de semillas de Desmodium incanum DC. en la provincia de Entre Ríos, Argentina]]></article-title>
<article-title xml:lang="en"><![CDATA[Quality and physical dormancy of seeds from Desmodium incanum DC. in the Entre Ríos province, Argentina]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gimena-Gillij]]></surname>
<given-names><![CDATA[Yanina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Anibal-Galussi]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fabiàn-Prand]]></surname>
<given-names><![CDATA[Marcelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Perissé]]></surname>
<given-names><![CDATA[Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Entre Ríos Facultad de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[Entre Ríos ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Entre Ríos Facultad de Ciencias Agropecuarias Estadística y Diseño Experimental]]></institution>
<addr-line><![CDATA[Entre Ríos ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Córdoba Facultad de Ciencias Agropecuarias, Botánica Morfológica ]]></institution>
<addr-line><![CDATA[Córdoba ]]></addr-line>
<country>Argentina</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>44</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03942021000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03942021000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03942021000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivo  Determinar la calidad y dormición física de semillas de Desmodium incanum DC. (Fabaceae, Desmodieae) en la provincia de Entre Ríos, Argentina.  Materiales y Métodos  Se cosecharon frutos de plantas de dos áreas naturales cercanas, situadas en la provincia de Entre Ríos, Argentina. La colecta se realizó entre diciembre y febrero de 2017-2018, en una superficie de 20 m2 para cada área. A partir del conjunto homogéneo de semillas, se determinó el contenido de humedad, el peso de las semillas, la germinación y la viabilidad. Se modeló la permeabilidad al agua y la longevidad. Se utilizó como método de estimación el de mínimos cuadrados, y como criterio para la selección del modelo el mayor coeficiente de determinación, R2.  Resultados  Las semillas cosechadas presentaron bajo contenido de humedad (8,2 %) y elevada calidad. El ensayo de germinación mostró un porcentaje bajo de plántulas normales (3,5 %) y 95 % de semillas duras. A su vez, 89,5 % de los embriones se observaron viables. El modelo propuesto evidenció diferente profundidad de dureza física, y predominó la fracción con gran profundidad de dormición.  Conclusiones  Las semillas de la especie producida en la región presentaron elevada cantidad de embriones viables, aunque la mayoría de las semillas mostró dormición física profunda. Las semillas duras alcanzaron ruptura lenta de la dormición física en el tiempo, lo que originó plántulas normales, aun después de 22 meses de almacenamiento.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objective  To determine the quality and physical dormancy of seeds from Desmodium incanum DC. (Fabaceae, Desmodieae) in the Entre Ríos province, Argentina.  Materials and Methods  Fruits from plants of two neighboring natural areas, located in the Entre Ríos province, Argentina, were harvested. The collection was carried out between December and February, 2017-2018, on a surface of 20 m2 for each area. From the homogeneous set of seeds, the moisture content, seed weight, germination and viability, were determined. The permeability to water and longevity were modeled. The least squares was used as estimation method, and the higher determination coefficient, R2, was used as criterion for the model selection.  Results  The harvested seeds showed low moisture content (8,2 %) and high quality. The germination essay showed low percentage of normal seedlings (3,5 %) and 95 % of hard seeds. In turn, 89,5 % of the embryos were observed viable. The proposed model proved different depth of physical hardness, and the fraction with high dormancy depth prevailed.  Conclusions  The seeds of the species produced in the region showed high quantity of viable embryos; although most of the seeds showed deep physical dormancy. The hard seeds reached slow breaking of the physical dormancy in time, which originated normal seedlings, even after 22 months of storage.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[almacenamiento]]></kwd>
<kwd lng="es"><![CDATA[calidad de semillas]]></kwd>
<kwd lng="es"><![CDATA[permeabilidad]]></kwd>
<kwd lng="en"><![CDATA[storage]]></kwd>
<kwd lng="en"><![CDATA[seed quality]]></kwd>
<kwd lng="en"><![CDATA[permeability]]></kwd>
</kwd-group>
</article-meta>
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