<?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>S2007-09342019000200461</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v10i2.1366</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Leticia: nueva variedad mexicana de nochebuena para interiores]]></article-title>
<article-title xml:lang="en"><![CDATA[Leticia: new Mexican variety of poinsettias for interiors]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Pérez]]></surname>
<given-names><![CDATA[Faustino]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rangel Estrada]]></surname>
<given-names><![CDATA[Sandra Eloísa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrios Gómez]]></surname>
<given-names><![CDATA[Edwin Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez Rojas]]></surname>
<given-names><![CDATA[Sergio Gavino]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Portas Fernández]]></surname>
<given-names><![CDATA[Blanca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Canul Ku]]></surname>
<given-names><![CDATA[Jaime]]></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  ]]></institution>
<addr-line><![CDATA[Zacatepec Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,blancaportas@yahoo.com.mx  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>10</volume>
<numero>2</numero>
<fpage>461</fpage>
<lpage>466</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342019000200461&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342019000200461&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342019000200461&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La nochebuena (Euphorbia pulcherrima Willd. ex Klotzsch) es originaria de México y Mesoamérica. Su cultivo depende de variedades mejoradas provenientes del extranjero, lo que ocasiona fuga de divisas y pérdidas económicas. Actualmente está restringida su importación. Esto representa una oportunidad para ofertar variedades generadas en el país. El INIFAP, Campo Experimental Zacatepec realiza la mejora genética de nochebuena. Así, en 2010 por cruza manual entre MOR13 x MORPR10 se obtuvo progenie F1, la cual se evaluó en 2011 y en el ciclo inmediato se incrementó el número de plantas. En 2013 se injertó por cuña la progenie híbrida clonal (púa) con una variedad comercial (patrón), en 2014 se obtuvieron esquejes del injerto, se cultivaron hasta planta terminada y se seleccionó de acuerdo al biotipo que demanda el mercado. En 2015 se evaluó en vivero en Tetela del Monte, Cuernavaca, Morelos. En 2016 se realizó la descripción varietal con denominación de Leticia. Esta variedad presenta porte intermedio de gran amplitud con ramificación intermedia, hojas de forma oval de gran tamaño con peciolos de longitud media, brácteas de forma elíptica y de color rojo. Es de respuesta intermedia, la pigmentación de brácteas se presenta nueve semanas después del inicio de otoño.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Poinsettia (Euphorbia pulcherrima Willd. ex Klotzsch) is native to Mexico and Mesoamerica. Its cultivation depends on improved varieties from abroad, which causes foreign exchange losses and economic losses. Currently its import is restricted. This represents an opportunity to offer varieties generated in the country. The INIFAP, Experimental Field Zacatepec realizes the genetic improvement of poinsettia. Thus, in 2010 by manual cross between MOR13 x MORPR10 F1 progeny was obtained, which was evaluated in 2011 and in the immediate cycle the number of plants increased. In 2013, clonal hybrid progeny (barb) with a commercial variety (pattern) were grafted by wedge; in 2014, graft cuttings were obtained, they were grown to a finished plant and selected according to the biotype demanded by the market. In 2015 it was evaluated in a nursery in Tetela del Monte, Cuernavaca, Morelos. In 2016, the varietal description was made with Leticia name. This variety has an intermediate size of great amplitude with intermediate branching, leaves of large oval shape with petioles of medium length, bracts of elliptical shape and red. It is of intermediate response, the pigmentation of bracts appears nine weeks after the beginning of autumn.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Euphorbia pulcherrima Willd. ex Klotzsch]]></kwd>
<kwd lng="es"><![CDATA[bráctea]]></kwd>
<kwd lng="es"><![CDATA[cruza]]></kwd>
<kwd lng="es"><![CDATA[híbrido]]></kwd>
<kwd lng="es"><![CDATA[ornamental]]></kwd>
<kwd lng="en"><![CDATA[Euphorbia pulcherrima Willd. ex Klotzsch]]></kwd>
<kwd lng="en"><![CDATA[bract]]></kwd>
<kwd lng="en"><![CDATA[cross]]></kwd>
<kwd lng="en"><![CDATA[hybrid]]></kwd>
<kwd lng="en"><![CDATA[ornamental]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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