<?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>1405-3195</journal-id>
<journal-title><![CDATA[Agrociencia]]></journal-title>
<abbrev-journal-title><![CDATA[Agrociencia]]></abbrev-journal-title>
<issn>1405-3195</issn>
<publisher>
<publisher-name><![CDATA[Colegio de Postgraduados]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-31952006000200219</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de boldo (Peumus boldus Molina) y cal para el control de Sitophilus zeamais Motschulsky]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of boldus (Peumus boldus Molina) and lime for Sitophilus zeamais Motschulsky control]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva-Aguayo]]></surname>
<given-names><![CDATA[Gonzalo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hepp-Gallo]]></surname>
<given-names><![CDATA[Ruperto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tapia-Vargas]]></surname>
<given-names><![CDATA[Maritza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Casals-Bustos]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bustos-Figueroa]]></surname>
<given-names><![CDATA[Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Osses-Ruiz]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Concepción Facultad de Agronomía Departamento de Producción Vegetal]]></institution>
<addr-line><![CDATA[Chillán ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2006</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2006</year>
</pub-date>
<volume>40</volume>
<numero>2</numero>
<fpage>219</fpage>
<lpage>228</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-31952006000200219&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-31952006000200219&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-31952006000200219&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La toxicidad del polvo de boldo (Peumus boldus Molina) con y sin cal fue evaluada contra Sitophilus zeamais Motschulsky en laboratorio y almacén. En laboratorio la toxicidad se evaluó registrando la mortalidad y emergencia de insectos adultos y la pérdida de peso del grano. En almacén, durante seis meses se registró el número de insectos vivos y muertos y la pérdida de peso del grano. El diseño experimental fue completamente al azar. En laboratorio las mezclas que causaron la mayor toxicidad fueron 50:50 al 1% (p/p) y 40:60 al 2% (p/p) con mortalidad sobre 97%. En el almacén todos los tratamientos de mezclas de polvo de boldo con cal exhibieron una alta efectividad, pero no fueron diferentes (p&gt;0.05) respecto a un tratamiento con malathion.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The toxicity of Peumus boldus Molina powder with and without lime was evaluated against Sitophilus zeamais in the laboratory and storage room. Under laboratory conditions, the toxicity was evaluated, recording adult insect mortality and emergence as well as grain weight loss. Under storage room conditions, grain weight loss and the number of living and dead insects were recorded for a six-month period. A completely randomized experimental design was used. In the laboratory, the mixtures causing the highest toxicity were 50:50 at 1% (w/w) and 40:60 at 2% (w/w), with mortality values over 97%. In the storage room, all treatments of P. boldus mixtures with lime exhibited high effectiveness, but they showed no differences (p&gt;0.05) compared to a malathion treatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Control físico]]></kwd>
<kwd lng="es"><![CDATA[granos almacenados]]></kwd>
<kwd lng="es"><![CDATA[picudo del maíz]]></kwd>
<kwd lng="en"><![CDATA[Physical control]]></kwd>
<kwd lng="en"><![CDATA[stored grains]]></kwd>
<kwd lng="en"><![CDATA[corn weevil]]></kwd>
</kwd-group>
</article-meta>
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