<?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>S1405-31952007000100095</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Actividad biológica de la raíz de Senecio salignus contra Zabrotes subfasciatus en frijol almacenado]]></article-title>
<article-title xml:lang="en"><![CDATA[Biological activity of Senecio salignus root against Zabrotes subfasciatus in stored bean]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Pérez]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Hernández]]></surname>
<given-names><![CDATA[Cesáreo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega-Arenas]]></surname>
<given-names><![CDATA[Laura D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garza-García]]></surname>
<given-names><![CDATA[Ramón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados Entomología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,INIFAP Entomología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2007</year>
</pub-date>
<volume>41</volume>
<numero>1</numero>
<fpage>95</fpage>
<lpage>102</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-31952007000100095&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-31952007000100095&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-31952007000100095&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El brúquido Zabrotes subfasciatus es la principal plaga del frijol almacenado en zonas cálidas, y puede ocasionar daño total si no se controla. Se realizó una serie de experimentos en confinamiento y libre elección en condiciones controladas para conocer la actividad biológica del polvo de la raíz de chilca Senecio salignus en Z. subfasciatus, utilizando un diseño completamente al azar. El polvo al 0.01, 0.05, 0.07, 0.1, 0.25, 0.5 y 1% o con tamaños &lt;0.25, 0.25-0.99, 1-2, y &gt;4 mm se mezcló con 100 g de frijol y se infestó con 20 gorgojos para determinar concentración letal media (CL50), tiempo letal medio (TL50), susceptibilidad por sexo, tamaño de partícula y modo de acción del polvo. La CL50 (p&#8804;0.05) disminuyó a través del tiempo del tratamiento (0.15 a 0.05% después de 3 d, y la mortalidad fue más rápida (p&#8804;0.05) conforme se incrementó la concentración (3.30 y 1.91 d al 0.05 y 0.07%). Los machos fueron más susceptibles (p&#8804;0.05) que las hembras. La toxicidad de la raíz fue inversamente proporcional al tamaño de la partícula (p&#8804;0.05); a mayor tamaño de partícula, menor toxicidad. La raíz actuó por contacto y no tuvo efecto fumigante ni repelente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The bruchid Zabrotes subfasciatus is the major pest of stored bean in hot climates, and can cause total losses if it is not controlled. A series of experiments, in which the pests were confined and given free election, were conducted under controlled conditions to determine the biological activity of ragwort Senecio salignus root powder on Z. subfasciatus, using a completely random design. The powder at concentrations of 0.01, 0.05, 0.07, 0.1, 0.25, 0.5, and 1%, with diameters of &lt;0.25, 0.25-0.99, 1-2, and &gt;4 mm was mixed with 100 g of bean, and infested with 20 weevils to determine lethal concentration (LC50), lethal time (LT50), susceptibility by sex, size of particle, and mode of action of the powder. LC50 (p&#8804;0.05) decreased over time of treatment (0.15 to 0.05% after 3 d), and mortality was faster (p&#8804;0.05) as concentration increased (3.30 and 1.91 d at 0.05 and 0.07%). Males were more susceptible (p&#8804;0.05) than females. Toxicity of the root was inversely proportional to particle size (p&#8804;0.05); the larger the particle, the less the toxicity. The root acted on contact and there was no fumigant or repellant effect.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[gorgojos]]></kwd>
<kwd lng="es"><![CDATA[granos almacenados]]></kwd>
<kwd lng="es"><![CDATA[insecticidas vegetales]]></kwd>
<kwd lng="en"><![CDATA[weevils]]></kwd>
<kwd lng="en"><![CDATA[stored grains]]></kwd>
<kwd lng="en"><![CDATA[plant insecticides]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<collab>Anónimo</collab>
<source><![CDATA[Flora Medicinal Indígena de México]]></source>
<year>1994</year>
<page-range>845-6</page-range><publisher-loc><![CDATA[México, D. F. ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baricevic]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Milevoj]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Borstnik]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Insecticidal effect of oregano (Origanum vulgare L. ssp. Hirtum Ietswaart) on bean weevil (Acanthoscelides obtectus Say)]]></article-title>
<source><![CDATA[Int. J. Hort. Sci.]]></source>
<year>2001</year>
<volume>7</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>84-8</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mazzonetto]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Vendramim]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of powders from vegetal species on Acanthoscelides obtectus (Say) (Coleoptera: Bruchidae) in stored bean]]></article-title>
<source><![CDATA[Neotropical Entomol.]]></source>
<year>2003</year>
<volume>32</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>145-9</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miranda]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[La Vegetación de Chiapas]]></source>
<year>1952</year>
<page-range>319</page-range><publisher-loc><![CDATA[Tuxtla Gutiérrez, Chiapas, México ]]></publisher-loc>
<publisher-name><![CDATA[Ediciones del Gobierno del estado de Chiapas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[J. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Vendramim]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Repellency of essential oils and powders from plants on adults of Zabrotes subfasciatus (Boh.) (Coleoptera: Bruchidae) on bean seeds]]></article-title>
<source><![CDATA[Anais da Sociedade Entomologica do Brasil]]></source>
<year>1999</year>
<volume>28</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>549-55</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Papachristos]]></surname>
<given-names><![CDATA[D. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Stamopoulos]]></surname>
<given-names><![CDATA[D. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Repellent, toxic and reproduction inhibitory effects of essential oil vapours on Acanthoscelides obtectus (Say) (Coleoptera: Bruchidae)]]></article-title>
<source><![CDATA[J. Stored Prod. Res.]]></source>
<year>2002</year>
<volume>38</volume>
<page-range>117-28</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez M.]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Pascual V.]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efectos del aceite esencial de inflorescencias de Chrysanthemum coronarium L. en mosca blanca y plagas de almacén]]></article-title>
<source><![CDATA[Prod. Prot. Veg.]]></source>
<year>1999</year>
<volume>14</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>249-58</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Procopio]]></surname>
<given-names><![CDATA[S de O.]]></given-names>
</name>
<name>
<surname><![CDATA[Vendramim]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Ribeiro J.]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos J.]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of plant powders on Acanthoscelides obtectus (Say) and Zabrotes subfasciatus (Boh.) (Coleoptera: Bruchidae)]]></article-title>
<source><![CDATA[Revista Ceres]]></source>
<year>2003</year>
<volume>50</volume>
<numero>289</numero>
<issue>289</issue>
<page-range>395-405</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramayo R.]]></surname>
<given-names><![CDATA[L. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tecnología de Granos y Semillas]]></source>
<year>1983</year>
<page-range>216</page-range><publisher-loc><![CDATA[Chapingo, Texcoco, México ]]></publisher-loc>
<publisher-name><![CDATA[Departamento de Industrias Agrícolas, Universidad Autónoma Chapingo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Raymond]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Presentation d&#8217; un programme d&#8217; analyse Log-Probit Pour micro-ordinateur Cah. Orstom]]></article-title>
<source><![CDATA[Sér. Ent. Med. Et Parasitol.]]></source>
<year>1985</year>
<volume>22</volume>
<page-range>117-21</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez H.]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El chile como remedio casero contra insectos plaga]]></article-title>
<source><![CDATA[Boletín de la Red de Acción sobre Plaguicidas y Alternativas en México]]></source>
<year>1998</year>
<volume>21 y 22</volume>
<page-range>9-12</page-range><publisher-name><![CDATA[RAPAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez H.]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[López P.]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Actividad insecticida e insectistática de la chilca (Senecio salignus) sobre Zabrotes subfasciatus]]></article-title>
<source><![CDATA[Manejo Integrado de Plagas]]></source>
<year>2001</year>
<volume>59</volume>
<page-range>19-26</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez H.]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva A.]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Vendramim]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Insecticidas de origen vegetal]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Hepp]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bases para el Manejo Racional de Insecticidas]]></source>
<year>2003</year>
<page-range>89-111</page-range><publisher-loc><![CDATA[Chillán, Chile ]]></publisher-loc>
<publisher-name><![CDATA[Facultad de Agronomía, Universidad de Concepción]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<collab>SAS</collab>
<source><![CDATA[Procedures Guide, Release 8]]></source>
<year>1999</year>
<page-range>1643</page-range><publisher-name><![CDATA[Cary, North Carolina, USA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weaver]]></surname>
<given-names><![CDATA[D. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Dunkel]]></surname>
<given-names><![CDATA[F. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Potter]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ntezurubanza]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contact and fumigant efficacy of powdered and intac Ocimum canum Sims (Lamiales: Lamiaceae) against Zabrotes subfasciatus (Boheman) adults (Coleoptera: Bruchidae)]]></article-title>
<source><![CDATA[J. Stored Prod. Res.]]></source>
<year>1994</year>
<volume>30</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>243-52</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weaver]]></surname>
<given-names><![CDATA[D. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Wells]]></surname>
<given-names><![CDATA[C. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Dunkel]]></surname>
<given-names><![CDATA[F. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Bertsch]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Sing]]></surname>
<given-names><![CDATA[S. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sriharan]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Insecticidal activity of floral, foliar, and root extracts of Tagetes minuta (Asterales: Asteraceae) against adult mexican bean weevils Zabrotes subfasciatus (Coleoptera: Bruchidae)]]></article-title>
<source><![CDATA[J. Econ. Entomol.]]></source>
<year>1994</year>
<volume>87</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1718-25</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
