<?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>0187-7380</journal-id>
<journal-title><![CDATA[Revista fitotecnia mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. fitotec. mex]]></abbrev-journal-title>
<issn>0187-7380</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitogenética A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-73802018000200099</article-id>
<article-id pub-id-type="doi">10.35196/rfm.2018.2.99-106</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[GERMINACIÓN, VIABILIDAD Y REGENERACIÓN in vitro DE PLANTAS DE Vriesea heliconioides (Kunth) Hook. ex Walp.]]></article-title>
<article-title xml:lang="en"><![CDATA[In vitro GERMINATION, VIABILITY AND REGENERATION OF Vriesea heliconioides (Kunth) Hook. ex Walp. PLANTS]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Meneses]]></surname>
<given-names><![CDATA[Eleodoro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rangel-Estrada]]></surname>
<given-names><![CDATA[Sandra E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Peralta]]></surname>
<given-names><![CDATA[Ma. Cristina G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerrero-Hilario]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-Gil]]></surname>
<given-names><![CDATA[Gonzalo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Bolaños]]></surname>
<given-names><![CDATA[Luciano]]></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 ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[Zacatepec de Hidalgo Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Colegio de Postgraduados Postgrado en Recursos Genéticos y Productividad ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma Chapingo Unidad Regional Universitaria Sur Sureste ]]></institution>
<addr-line><![CDATA[Teapa Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>41</volume>
<numero>2</numero>
<fpage>99</fpage>
<lpage>106</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802018000200099&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802018000200099&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802018000200099&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Vriesea heliconioides (Kunth) Hook. ex Walp es una bromelia que posee inflorescencias de brácteas rojas y pétalos blancos que le otorgan amplio potencial hortícola. Para su aprovechamiento comercial es necesario desarrollar protocolos de propagación eficientes que desalienten la extracción de su hábitat natural. Los objetivos del presente estudio fueron definir las condiciones óptimas para la germinación in vitro de semillas, determinar su viabilidad y regenerar plantas por organogénesis. Las semillas se sembraron en el medio de Murashige y Skoog (MS) completo o a la mitad de su concentración de sales para evaluar la germinación. Otras semillas se conservaron durante dos años a 10 ºC o a temperatura ambiente para estimar su viabilidad. Para inducir la organogénesis, plántulas obtenidas in vitro se cultivaron en el medio MS suplementado con distintas concentraciones de 6-bencilaminopurina (BAP, 5 -15 µM) y ácido &#945;-naftalenacético (ANA, 1 y 2 µM). Se alcanzó una germinación de 100 % de las semillas en el medio MS a la mitad de concentración de sales. La viabilidad de las semillas se puede mantener hasta por dos años conservándolas a 10 ºC, aunque ésta se reduce gradualmente hasta llegar a 86 % después de este tiempo. La organogénesis se observó en el medio MS adicionado con 10 µM de BAP y 1 µM de ANA, en el que se formaron 6.8 brotes por explante después de 12 semanas. La multiplicación de los brotes se obtuvo en las mismas concentraciones de reguladores de crecimiento usadas en la etapa de inducción. El alargamiento y enraizamiento de plantas se logró en el medio MS a la mitad de concentración de sales suplementado con 1 µM de ácido giberélico. La aclimatación de las plantas fue eficiente en fibra de coco y corteza con tasas de supervivencia de 95 y 93 %, respectivamente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[SUMMARY Vriesea heliconioides (Kunth) Hook. ex Walp is a bromeliad that possesses inflorescences of red bracts and white petals that confer it great horticultural potential. For commercial purposes, it is necessary to develop efficient propagation protocols that discourage the extraction from its natural habitat. This study aimed to define the optimal conditions for in vitro germination of seeds, to determine their viability and to regenerate plants via organogenesis. Seeds were sowed on Murashige and Skoog (MS) medium either complete or at half of its salts concentration to evaluate germination. Other seeds were stored for two years at 10 ºC or at room temperature to estimate viability. To induce organogenesis, seedlings obtained in vitro were cultured on MS medium supplemented with different concentrations of 6-benzylaminopurine (BAP, 5 -15 µM) and &#945;-naphthaleneacetic acid (NAA, 1-2 µM). A germination of 100 % of the seeds was achieved on the MS medium at half the concentration of salts. Viability of the seeds can be maintained for up to two years by storing them at 10 ºC, even though it is gradually reduced to 86 % after that time. Organogenesis was observed in MS medium added with 10 &#956;M of BAP and 1 &#956;M of NAA, inducing 6.8 shoots per explant after 12 weeks. Shoots multiplication was obtained at the same concentrations of growth regulators as used in the induction stage. Plant elongation and rooting were achieved in MS medium at half salt concentration supplemented with 1 &#956;M of gibberellic acid. Acclimatization of the plants was efficient in coconut fiber and bark with survival rates of 95 and 93 %, respectively.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Vriesea heliconioides]]></kwd>
<kwd lng="es"><![CDATA[bromelia]]></kwd>
<kwd lng="es"><![CDATA[cultivo de tejidos]]></kwd>
<kwd lng="es"><![CDATA[micropropagación]]></kwd>
<kwd lng="es"><![CDATA[organogénesis]]></kwd>
<kwd lng="es"><![CDATA[viabilidad]]></kwd>
<kwd lng="en"><![CDATA[Vriesea heliconioides]]></kwd>
<kwd lng="en"><![CDATA[bromeliad]]></kwd>
<kwd lng="en"><![CDATA[tissue culture]]></kwd>
<kwd lng="en"><![CDATA[micropropagation]]></kwd>
<kwd lng="en"><![CDATA[organogenesis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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