<?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>2007-3380</journal-id>
<journal-title><![CDATA[Revista bio ciencias]]></journal-title>
<abbrev-journal-title><![CDATA[Revista bio ciencias]]></abbrev-journal-title>
<issn>2007-3380</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Nayarit]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-33802019000100131</article-id>
<article-id pub-id-type="doi">10.15741/revbio.06.e601</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Production of fruits and seeds in crosses of varieties of poinsettia (Euphorbia pulcherrima Willd. ex Klotzsch)]]></article-title>
<article-title xml:lang="es"><![CDATA[Producción de frutos y semillas en cruzas de variedades nochebuena (Euphorbia pulcherrima Willd. ex Klotzsch)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montes-Maya]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andrade-Rodríguez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ayala-Hernández]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villegas Torres]]></surname>
<given-names><![CDATA[O. G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sotelo Nava]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de Morelos Facultad de Ciencia Agropecuarias ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Chapingo Departamento de Fitotecnia ]]></institution>
<addr-line><![CDATA[Chapingo Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>6</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-33802019000100131&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-33802019000100131&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-33802019000100131&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Seeds are the basis of the genetic diversity of the species and a fundamental element in the conventional genetic breeding. The production of seeds in poinsettia is depending on the varieties used as progenitors. Based on this, the aim of this study was to evaluate the production of fruits and seeds in crosses of two varieties of poinsettias of sun with four varieties of shade plants. The female parents were Amanecer navideño and Juan Pablo, and the male parents were Festival red, Ice punch, Premium marble and Cortez burgundy. There were 10 repetitions per crossing and in each one 15 hermaphrodite flowers were selected, these were emasculated before the anthesis and the pollination was performed when the stigma was receptive. Fruit set, characteristics of the fruits as well as the characteristics of the seeds were evaluated. The best crosses were Juan Pablo x Premium marble and Amanecer navideño x Festival red since they had a higher fruit set (83.6 and 69.98 %) and more than two seeds per fruit. The best male progenitors were Festival red and Premium marble (induced 63.99 and 64.63 % fruit set); on the contrary, Ice punch and Cortez burgundy induced few fruits and Ice punch even did not produce fruit when crossing it with Juan Pablo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Las semillas son base de la diversidad genética de las especies y elemento fundamental en el mejoramiento genético convencional. La producción de semillas de nochebuena depende de las variedades usadas como progenitores. Con base en esto, el objetivo fue evaluar la producción de frutos y semillas en cruzamientos de dos variedades de nochebuena de sol con cuatro de sombra. Los progenitores femeninos fueron Amanecer navideño y Juan Pablo y los masculinos fueron Festival red, Ice punch, Premium marble y Cortez burgundy. Se tuvieron 10 repeticiones por cruzamiento, en cada una se eligieron 15 flores hermafroditas mismas que fueron emasculadas antes de la antesis; la polinización se realizó cuando el estigma estuvo receptivo. Se evaluó amarre de fruto, características de los frutos así como las características de semillas. Los mejores cruzamientos fueron Juan Pablo x Premium marble y Amanecer navideño x Festival red ya que tuvieron mayor amarre de fruto (83.6 y 69.98 %) y más de dos semillas por fruto. Los mejores progenitores masculinos fueron Festival red y Premium marble (indujeron 63.99 y 64.63 % amarre de fruto); por el contrario, Ice punch y Cortez burgundy indujeron pocos frutos e incluso Ice punch no generó fruto al cruzarla con Juan Pablo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Crossings in poinsettia]]></kwd>
<kwd lng="en"><![CDATA[size of seeds]]></kwd>
<kwd lng="en"><![CDATA[characteristics of poinsettia fruits]]></kwd>
<kwd lng="en"><![CDATA[fruit set]]></kwd>
<kwd lng="es"><![CDATA[Cruzamientos en nochebuena]]></kwd>
<kwd lng="es"><![CDATA[tamaño de semillas]]></kwd>
<kwd lng="es"><![CDATA[características de frutos de nochebuena]]></kwd>
<kwd lng="es"><![CDATA[amarre de frutos]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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