<?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>0122-8706</journal-id>
<journal-title><![CDATA[Ciencia y Tecnología Agropecuaria]]></journal-title>
<abbrev-journal-title><![CDATA[Cienc. Tecnol. Agropecuaria]]></abbrev-journal-title>
<issn>0122-8706</issn>
<publisher>
<publisher-name><![CDATA[Corporación Colombiana de Investigación Agropecuaria - Corpoica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-87062021000100007</article-id>
<article-id pub-id-type="doi">10.21930/rcta.vol22_num1_art:1637</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Transgenic maize pollen dispersal model in the municipality of Tierralta (Córdoba, Colombia)]]></article-title>
<article-title xml:lang="es"><![CDATA[Modelo de dispersión de polen de maíz transgénico en el municipio de Tierralta (Córdoba, Colombia)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mazo Castaño]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Susa]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de los Andes  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de los Andes  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<volume>22</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-87062021000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-87062021000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-87062021000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Transgenic crops appear as a response to the concern of supplying the high food demand produced by population growth. In this regard, different authors have argued that transgenics contaminate traditional crops genetically, causing the loss of native agricultural biodiversity. Although the significance of this work does not contemplate the affectation of traditional crops, the importance of this type of study and its possible use for subsequent research is explained. The aim of this work was to determine the average distance reached by transgenic maize pollen grains in 2016 in the municipality of Tierralta, Córdoba, using the Hysplit® program. The results show that with a concentration of 10-9 mg/m3, the annual average distance reached by maize pollen grains was 581 m, recording the highest average in May with a value of 799 m, and the minimum average in March with a value of 474 m. The analysis of results considered that, at the beginning of 2016, Colombia was undergoing the 'El Niño' phenomenon, causing the maize pollen grains to travel less compared to a neutral year or one subjected to the 'La Niña' phenomenon. This is due to the weak winds that occurred in the Colombian Caribbean region. By contrast, in the event of a neutral year or one with the 'La Niña' phenomenon, the particles could have traveled more as the wind strength would have been above normal.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los cultivos transgénicos aparecen como respuesta a la preocupación por abastecer la gran demanda alimenticia derivada del crecimiento poblacional. Sin embargo, diferentes autores han argumentado que los transgénicos contaminan genéticamente los cultivos tradicionales y ocasionan la pérdida de la biodiversidad agrícola nativa. Aunque este trabajo no aborda la afectación de los cultivos tradicionales, explica la importancia de este tipo de estudios y su posible uso para investigaciones posteriores. Esta investigación tuvo como objetivo determinar mediante el programa Hysplit® la distancia promedio que alcanzaron los granos de polen de maíz transgénico durante el año 2016 en el municipio de Tierralta, Córdoba. En los resultados, la concentración fue de 10-9 mg/m3 y el promedio anual de la distancia alcanzada por lo granos de polen de maíz fue de 500 m. El promedio máximo se registró en el mes de mayo con un valor de 799 m y el promedio mínimo se obtuvo en marzo con un valor de 474 m. Para el análisis de los resultados, se consideró que a comienzos del año 2016, el fenómeno de El Niño en Colombia generó que los granos de polen de maíz viajaran menos que durante un año neutro o un año con el fenómeno de La Niña, debido a los vientos débiles que se presentaron en el Caribe colombiano. En caso de haberse presentado un año neutro o con La Niña, las partículas habrían viajado más porque la fuerza de los vientos estaría por encima de lo normal.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[deposition velocity]]></kwd>
<kwd lng="en"><![CDATA[Hysplit®]]></kwd>
<kwd lng="en"><![CDATA[settling velocity]]></kwd>
<kwd lng="en"><![CDATA[simulation models]]></kwd>
<kwd lng="en"><![CDATA[transgenics]]></kwd>
<kwd lng="en"><![CDATA[Zea mays]]></kwd>
<kwd lng="es"><![CDATA[Hysplit®]]></kwd>
<kwd lng="es"><![CDATA[modelos de simulación]]></kwd>
<kwd lng="es"><![CDATA[transgénicos]]></kwd>
<kwd lng="es"><![CDATA[velocidad de deposición]]></kwd>
<kwd lng="es"><![CDATA[velocidad de sedimentación]]></kwd>
<kwd lng="es"><![CDATA[Zea mays]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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