<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342017000200431</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v8i2.62</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Resistencia a sequía en genotipos de soya considerando caracteres morfológicos, fisiológicos y agronómicos]]></article-title>
<article-title xml:lang="en"><![CDATA[Resistance to drought in soybean genotypes considering morphological, physiological and agronomic characters]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Rodríguez]]></surname>
<given-names><![CDATA[Julio César]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz Orozco]]></surname>
<given-names><![CDATA[Abel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado Moreno]]></surname>
<given-names><![CDATA[Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz Izquierdo]]></surname>
<given-names><![CDATA[Serafín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ascencio Luciano]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,INIFAP Campo Experimental Las Huastecas ]]></institution>
<addr-line><![CDATA[Altamira Tamaulipas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados Ciencias Agrícolas ]]></institution>
<addr-line><![CDATA[Texcoco Edo. de México.]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<volume>8</volume>
<numero>2</numero>
<fpage>431</fpage>
<lpage>437</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342017000200431&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342017000200431&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342017000200431&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Para caracterizar la resistencia a sequía en 25 genotipos de soya considerando el rendimiento, sus componentes y otras características morfológicas y fisiológicas, se estableció un ensayo durante el ciclo otoño-invierno 2012-2013 en Altamira, Tamaulipas. Se compararon dos niveles de sequía: con y sin sequía; las deficiencias de humedad se aplicaron durante la etapa reproductiva del cultivo. El diseño experimental fue parcelas divididas con dos repeticiones, las parcelas grandes para los niveles de sequía y las subparcelas para los genotipos. Se registraron 12 variables relacionadas con la humedad del suelo y el comportamiento fenológico, morfológico, fisiológico y agronómico de las plantas. La respuesta al estrés se evaluó con el modelo 2 de resistencia a sequía, que separa los efectos clasificando grupos de precocidad. Los genotipos presentaron respuestas diferentes para la sequía. La sequía afectó significativamente el índice de clorofila, la conductancia estomática, las vainas m-1 y el peso de 100 semillas, que en conjunto disminuyeron el rendimiento. El decremento del rendimiento fue más intenso en genotipos tardíos. Los genotipos más resistentes a sequía fueron H02-2295, H98-1240 y H10-0556.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract To characterize the resistance to drought in 25 soybean genotypes considering the yield, its components and other morphological and physiological characteristics, a test was established during the autumn-winter cycle 2012-2013 in Altamira, Tamaulipas. Two drought levels were compared: with and without drought; the moisture deficiencies were applied during the reproductive stage of the crop. The experimental design was divided plots with two replicates, large plots for drought levels and subplots for genotypes. There were 12 related variables with soil moisture and the phenological behavior, morphological, physiological and agronomic of plants. The stress response was evaluated using the drought resistance model 2, which separates the effects by classifying precocity groups. The genotypes presented different responses to face the drought. The drought significantly affects the rate of chlorophyll, stomatal conductance, pods m-1 and 100 seed weight, which together decreased performance. The decreased yield was more intense in late genotypes. The most resistant genotypes to drought according to the model used were H02-2295, H98-1240 and H10-0556.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Glycine max L. (Merr.)]]></kwd>
<kwd lng="es"><![CDATA[caracterización fenotípica]]></kwd>
<kwd lng="es"><![CDATA[modelo 2 de resistencia a sequía]]></kwd>
<kwd lng="es"><![CDATA[rendimiento y sus componentes]]></kwd>
<kwd lng="en"><![CDATA[Glycine max L. (Merr.)]]></kwd>
<kwd lng="en"><![CDATA[phenotypic characterization]]></kwd>
<kwd lng="en"><![CDATA[yield and its components]]></kwd>
<kwd lng="en"><![CDATA[model 2 drought resistance]]></kwd>
</kwd-group>
</article-meta>
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