<?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>S2007-90282017000200309</article-id>
<article-id pub-id-type="doi">10.19136/era.a4n11.978</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Actividad molusquicida de Laguncularia racemosa (L) C.F. Gaerth sobre Galba cubensis (Pfeiffer, 1839)]]></article-title>
<article-title xml:lang="en"><![CDATA[Molluscicidal activity of Laguncularia racemosa (L) C.F. Gaerth on Galba cubensis (Pfeiffer, 1839)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rangel-Ruiz]]></surname>
<given-names><![CDATA[Luis José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-Morales]]></surname>
<given-names><![CDATA[Luis Alfredo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arévalo-de la Cruz]]></surname>
<given-names><![CDATA[Juan Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gamboa-Aguilar]]></surname>
<given-names><![CDATA[Jaquelina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moguel-Ordoñez]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pacheco-Figueroa]]></surname>
<given-names><![CDATA[Coral Jazvel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Roa-de la Fuente]]></surname>
<given-names><![CDATA[Luis Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Juárez Autónoma de Tabasco División Académica de Ciencias Biológicas ]]></institution>
<addr-line><![CDATA[Villahermosa Tabasco]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>4</volume>
<numero>11</numero>
<fpage>309</fpage>
<lpage>316</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282017000200309&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282017000200309&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282017000200309&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN: Se evaluó la eficiencia molusquicida de Laguncularia racemosa sobre Galba cubensis utilizando dos extractos acuosos y aplicación directa de polvo (ADP), los extractos acuosos se elaboraron por el método de reposo en crudo (EMRC) y de infusión (EMI). Se utilizó un diseño al azar con tres tratamientos, un testigo y cinco repeticiones. En la determinación de la DL50 y DL90 se utilizó el programa Probit-Log. Se obtuvo la TL50 y TL90; las concentraciones del EMRC fueron de 500, 400, 333 y 289 g L-1; para el EMI de 50, 25, 12.5 y 6 g L-1; y para la ADP de 0.540, 0.270 y 0.135 g. Se determinó la eficacia de los tratamientos y la residualidad del EMI a 50 g L-1. Para el EMRC las mortalidades acumuladas fueron de 100, 96, 90 y 66 % con una DL50 de 267.56 g L-1 y DL90 de 392.68 g L-1. Para el EMI fue del 100, 98, 92 y 20 %, con DL50 de 8.08 g L-1 y DL90 de 12.78 g L-1; para la ADP fue del 50, 48 y 48 %; solo la concentración de 0.540 g alcanzo el 50 %, la DL50 fue de 1.0 g. Para el EMRC el TL90 se presentó a las 18, 72 y 96 h para 500, 400, 333 g L-1; para el EMI a las 2 h para 50, 25 g L-1 y 14 h en 12.5 g L-1. La residualidad mostro una baja persistencia de la toxicidad sobre el sustrato.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT: The molluscicidal effciency of Laguncularia racemosa on Galba cubensis was assessed using two aqueous extracts and direct application of powder (DAP). The aqueous extracts were prepared by the raw method extract (RME) and infusion method extract (IME) procedures. A randomized design with three treatments, one control and five replicates was used. For determining LD50 and LD90, the Probit-Log program was used. LT50 and LT90 were obtained; the RME concentrations were 500, 400, 333 and 289 g L-1; for IME, 50, 25, 12.5 and 6 g L-1; and for DAP, 0.540, 0.270 and 0.135 g. The efficacy of the treatments and the residuality of the IME at 50 g L-1 were determined. For RME, the cumulative mortalities were 100, 96, 90 and 66 % with a LD50 of 267.56 g L-1 and LD90 of 392.68 g L-1. For IME, it was 100, 98, 92 and 20 %, with LD50 of 8.08 g L-1 and LD90 of 12.78 g L-1; for DAP, it was 50, 48 and 48 %; only the concentration of 0.540 g reached 50 %; the LD50 was 1.0 g. For RME, LT90 occurred at 18, 72 and 96 h for 500, 400, 333 g L-1; for IME, at 2 h for 50, 25 g L-1 and 14 h for 12.5 g L-1. Residuality showed a low persistence of toxicity on the substrate.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Actividad Molusquicida]]></kwd>
<kwd lng="es"><![CDATA[Laguncularia racemosa]]></kwd>
<kwd lng="es"><![CDATA[Galba cubensis]]></kwd>
<kwd lng="en"><![CDATA[Molluscicidal activity]]></kwd>
<kwd lng="en"><![CDATA[Laguncularia racemosa]]></kwd>
<kwd lng="en"><![CDATA[Galba cubensis]]></kwd>
</kwd-group>
</article-meta>
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<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[SED]]></given-names>
</name>
</person-group>
<source><![CDATA[Degradación y conservación de suelos en la cuenca del río Grijalva, Tabasco]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Villahermosa, Tabasco, México ]]></publisher-loc>
<publisher-name><![CDATA[Colegio de Postgraduados]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
