<?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>S2007-90282019000300477</article-id>
<article-id pub-id-type="doi">10.19136/era.a6n18.2076</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Herbicidas en la milpa: Estrategias de aplicación y su impacto sobre el consumo de arvenses]]></article-title>
<article-title xml:lang="en"><![CDATA[Herbicides in the milpa: Application strategies and their impact on weed consumption]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mascorro-de Loera]]></surname>
<given-names><![CDATA[Ricardo Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferguson]]></surname>
<given-names><![CDATA[Bruce G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Perales-Rivera]]></surname>
<given-names><![CDATA[Hugo Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Charbonnier]]></surname>
<given-names><![CDATA[Fabien]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,El Colegio de la Frontera Sur  ]]></institution>
<addr-line><![CDATA[San Cristóbal de las Casas Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>6</volume>
<numero>18</numero>
<fpage>477</fpage>
<lpage>486</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282019000300477&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282019000300477&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282019000300477&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las arvenses son plantas que crecen de forma espontánea en áreas agrícolas, y algunas forman parte de la alimentación campesina. Los estudios indican que el uso prolongado de herbicidas disminuye la disponibilidad de arvenses y reduce su consumo. El objetivo fue conocer las estrategias de aplicación de los herbicidas y cómo afectan el consumo de arvenses en el municipio de Amatenango del Valle, Chiapas. Se realizaron entrevistas abiertas y se visitaron parcelas para conocer el uso de herbicidas y la disponibilidad de arvenses para consumo. Se aplicaron cuestionarios a 40 hogares para documentar el conocimiento de las arvenses comestibles, su consumo actual y el de hace 10 años. Todos los agricultores usan herbicidas, en promedio tienen 24 (±11) años aplicándolo. Los entrevistados alternan la aplicación de herbicida con azadón y machete, el herbicida lo aplican de forma selectiva y mantienen zonas de refugio. Estas prácticas contribuyen a la persistencia de las arvenses; los solares, la milpa de riego y la compra son sitios alternos de obtención de arvenses. Los entrevistados consumen arvenses pero perciben que el consumo de Amaranthus hybridus, Galinsoga quadriradiata, Brassica rapa, Crotalaria longirostrata y Physalis philadelphica ha disminuido en los últimos diez años (p &lt; 0.05). Esta percepción no está asociada con el número de fumigaciones ni los años de aplicación (Chi2, p &gt; 0.05). A pesar de los cambios en su dieta por influencia de alimentos industrializados y cambios tecnológicos en el manejo de la milpa, las arvenses continúan siendo un elemento arraigado en la gastronomía de Amatenango del Valle.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Many edible weeds growing spontaneously in agricultural areas form part of peasant diets. Some studies indicate that long-term herbicide use diminishes edible weed availability, and presumably, consumption. The research presented here sought to understand the application strategy between herbicide use and the impact on edible weed consumption in the municipality of Amatenango del Valle, Chiapas. Open interviews and plot visits were performed to explore herbicide and edible weed use. Forty farm households were surveyed regarding knowledge and consumption of edible weeds. All of those surveyed apply herbicide and have done so for an average 24 (± 11) years. However they alternate between herbicide application and manual control with hoes and machetes, apply herbicides selectively, and maintain herbicide-free refuges. These practices seem to permit the persistence of edible weeds. They also obtain weeds from home gardens, irrigated fields, and markets. The interviewees continue to consume a variety of weeds, but perceive that their consumption of Amaranthus hybridus, Galinsoga quadriradiata, Brassica rapa, Crotalaria longirostrata and Physalis philadelphica has diminished over the last 10 years (p &lt; 0.05). This decrease is not associated with the number of with herbicide applications or the number of years in which herbicides have been used (Chi2, p &gt; 0.05). Despite the incipient industrialization of their diet and technological changes in agricultural production, edible weeds maintain their importance in the gastronomy of Amatenango del Valle.]]></p></abstract>
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<kwd lng="es"><![CDATA[Agricultura tradicional]]></kwd>
<kwd lng="es"><![CDATA[alimentación]]></kwd>
<kwd lng="es"><![CDATA[cambio tecnológico]]></kwd>
<kwd lng="es"><![CDATA[etnobotánica]]></kwd>
<kwd lng="es"><![CDATA[gastronomía local]]></kwd>
<kwd lng="en"><![CDATA[Traditional farming]]></kwd>
<kwd lng="en"><![CDATA[diet]]></kwd>
<kwd lng="en"><![CDATA[technological change]]></kwd>
<kwd lng="en"><![CDATA[ethnobotany]]></kwd>
<kwd lng="en"><![CDATA[local gastronomy]]></kwd>
</kwd-group>
</article-meta>
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