<?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>S2007-09342016000701701</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Resistencia in vitro de trigos cristalinos de hábito invernal a Puccinia triticina Eriks]]></article-title>
<article-title xml:lang="en"><![CDATA[Resistance in vitro of durum wheat of winter habit to Puccinia triticina Eriks]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delgado-Sánchez]]></surname>
<given-names><![CDATA[Laura Marisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Peralta]]></surname>
<given-names><![CDATA[María Cristina Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hérnandez-Meneses]]></surname>
<given-names><![CDATA[Eleodoro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados Postgrado en Recursos Genéticos y Productividad Genética]]></institution>
<addr-line><![CDATA[Montecillo, Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>11</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>11</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>7</numero>
<fpage>1701</fpage>
<lpage>1714</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342016000701701&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342016000701701&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342016000701701&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El cultivo del trigo en México actualmente enfrenta la roya de la hoja (Puccinia triticina E.) que ocasiona pérdidas hasta de 100% del rendimiento. Esta investigación evaluó la respuesta de tres genotipos de trigo: "Mirlo 26", "Elinia 48" y "Atred" a la roya de la hoja BBG/BPC bajo condiciones in vitro. Los dos primeros, considerados tolerantes (R) y el tercero susceptible (S). La germinación in vitro de los tres genotipos se logró en medio de cultivo MS (1962) adicionado con sacarosa (30 g L-1); 2,4-D (20.3 &#956;M) y Kin (5.8 (&#956;M). Además de generar plántulas, las semillas formaron callos. De las plántulas se disecaron secciones transversales basales de tallo y se sembraron en medio MS (1962) con BA (11.1 (&#956;M) y AIA (1.0 (&#956;M) para inducir organogénesis directa. En este mismo medio se sembraron los callos para inducir organogénesis indirecta. La regeneración de plántulas enraizadas se logró en ambas rutas morfogénicas en el mismo medio de cultivo y concentraciones hormonales a las cuatro semanas. La aclimatación fue 90% en sustrato de agrolita y peat-moss (1:1). La evaluación de roya de la hoja en plantas aclimatadas tuvo porcentajes de infección de 21% en el genotipo "Atred" (S), 10% en "Mirlo 26" (R) y 10% en "Elinia 48" (R). En plántulas in vitro los porcentajes fueron de 70% para "Atred", 40% para "Mirlo 26" y 30% para "Elinia 48" al aplicar 0.03 mg mL-1 de esporas. Este estudio es el primer reporte que evalúa la tolerancia de genotipos de trigo a la roya de la hoja usando el cultivo de tejidos vegetales in vitro.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The cultivation of wheat in Mexico currently facing leaf rust (Puccinia triticina E.) causes losses of up to 100% performance. This research evaluated the response of three wheat genotypes "Mirlo 26", "Elinia 48" and "Atred" to rust BBG/BPC sheet under in vitro conditions. The first two, considered tolerant (R) and the third susceptible (S). The in vitro germination of the three genotypes was achieved in medium MS (1962) supplemented with sucrose (30 g L-1); 2,4-D (20.3 &#956; M) and Kin (5.8 &#956; M). Besides generating seedlings, seeds formed calluses. Seedling basal stem cross sections were dissected and plated on medium MS (1962) with BA (11.1 &#956;M) and AIA (1.0 &#956;M) to induce direct organogenesis. In this same medium calluses they were seeded to induce indirect organogenesis. The rooted plantlets regeneration was achieved in both morphogenic routes in the same culture medium and hormonal concentrations at four weeks. The acclimation was 90% in perlite substrate and peat-moss (1:1). The evaluating leaf rust acclimated plants had infection rates 21% in genotype "Atred" (S), 10% in "Mirlo 26" (R) and 10% in "Elinia 48" (R). In in vitro plantlets percentages were 70% for "Atred" 40% for "Mirlo 26" and 30% "Elinia 48" by applying 0.03 mg mL-1 of spores. This study is the first report assessing the tolerance of wheat genotypes to leaf rust using plant tissue culture in vitro.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[in vitro]]></kwd>
<kwd lng="es"><![CDATA[roya]]></kwd>
<kwd lng="es"><![CDATA[selección]]></kwd>
<kwd lng="es"><![CDATA[susceptibilidad]]></kwd>
<kwd lng="es"><![CDATA[variación somaclonal]]></kwd>
<kwd lng="en"><![CDATA[in vitro]]></kwd>
<kwd lng="en"><![CDATA[rust]]></kwd>
<kwd lng="en"><![CDATA[selection]]></kwd>
<kwd lng="en"><![CDATA[susceptibility]]></kwd>
<kwd lng="en"><![CDATA[somaclonal variation]]></kwd>
</kwd-group>
</article-meta>
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