<?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>0188-6266</journal-id>
<journal-title><![CDATA[Acta universitaria]]></journal-title>
<abbrev-journal-title><![CDATA[Acta univ]]></abbrev-journal-title>
<issn>0188-6266</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Guanajuato, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-62662020000100112</article-id>
<article-id pub-id-type="doi">10.15174/au.2020.2358</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Validación de la variedad de frijol Negro Comapa en ambientes tropicales del estado de Veracruz]]></article-title>
<article-title xml:lang="en"><![CDATA[Validation of the Negro Comapa bean variety in tropical environments of the state of Veracruz]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tosquy Valle]]></surname>
<given-names><![CDATA[Oscar Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Salinas]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esqueda Esquivel]]></surname>
<given-names><![CDATA[Valentín Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Rodríguez]]></surname>
<given-names><![CDATA[José Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acosta Gallegos]]></surname>
<given-names><![CDATA[Jorge Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Centro de Investigación Regional Golfo Centro ]]></institution>
<addr-line><![CDATA[Medellín Ver.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Centro de Investigación Regional Golfo Centro ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Centro de Investigación Regional Centro ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>30</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-62662020000100112&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-62662020000100112&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-62662020000100112&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En el estado de Veracruz, el rendimiento promedio de frijol es menor a 700 kg ha-1 debido a la siembra de materiales de bajo rendimiento y susceptibles a sequía y enfermedades. Las variedades mejoradas podrían ayudar a revertir esta situación. Por este motivo, de 2011 a 2013 se validó la variedad de frijol Negro Comapa en 11 ambientes de Veracruz, México, con objeto de verificar su productividad y determinar su estabilidad en parcelas de entre 1500 m2 y 2000 m2. En ocho ambientes, las parcelas se condujeron en condiciones de humedad residual y, en tres, bajo temporal. Para determinar el rendimiento de grano, en cada genotipo se realizaron cuatro muestreos de 6 m2 cada uno. Negro Comapa superó en 22% y 39% el rendimiento de Negro Jamapa y Negro Michigan en humedad residual y en 43% y 45% bajo temporal, respectivamente. Su rendimiento promedio fue de 1261 kg ha-1, significativamente superior al de los dos testigos. Negro Comapa mostró alta productividad, resistencia a enfermedades y buena respuesta en el rendimiento en ambientes favorables.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In the state of Veracruz, the average bean yield is less than 700 kg ha-1, due to the use of low yielding materials that are susceptible to drought and diseases. Improved varieties could help to reverse this situation. For this reason, from 2011 to 2013 the Negro Comapa bean variety was validated in 11 environments in Veracruz, Mexico, in order to verify its productivity and determine its yield stability in comercial plots from 1500 m2 and 2000 m2. In eight environments, plots were conducted in conditions of residual moisture and, in three, under rainfall conditions. To determine the grain yield, in each genotype four samples of 6 m2 each were made. Under residual moisture, Negro Comapa outyielded Negro Jamapa and Negro Michigan by 22% and 39%, respectively, and by 43% and 45% under rainfed conditions. Its average yield was 1261 kg ha-1, significantly higher than the two check varieties. Negro Comapa showed high productivity, disease resistance and high yield response in favorable environments.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Phaseolus vulgaris]]></kwd>
<kwd lng="es"><![CDATA[rendimiento]]></kwd>
<kwd lng="es"><![CDATA[adaptabilidad]]></kwd>
<kwd lng="es"><![CDATA[humedad residual]]></kwd>
<kwd lng="es"><![CDATA[temporal]]></kwd>
<kwd lng="en"><![CDATA[Phaseolus vulgaris]]></kwd>
<kwd lng="en"><![CDATA[yield]]></kwd>
<kwd lng="en"><![CDATA[adaptability]]></kwd>
<kwd lng="en"><![CDATA[residual moisture]]></kwd>
<kwd lng="en"><![CDATA[rainy season]]></kwd>
</kwd-group>
</article-meta>
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