<?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>2074-8647</journal-id>
<journal-title><![CDATA[Biotecnología Vegetal]]></journal-title>
<abbrev-journal-title><![CDATA[Biot. Veg.]]></abbrev-journal-title>
<issn>2074-8647</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biotecnología de las PlantasUniversidad Central Marta Abreu de Las Villas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2074-86472019000400297</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Multiplicación in vitro de Zingiber officinale Roscoe cv. &#8216;Gran Caimán&#8217; en Sistema de Inmersión Temporal]]></article-title>
<article-title xml:lang="en"><![CDATA[In vitro multiplication of ginger Zingiber officinale Roscoe, cv. &#8216;Grand Caiman&#8217; in Temporary Immersion System]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villegas Ramírez]]></surname>
<given-names><![CDATA[Juan G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palma Zúñiga]]></surname>
<given-names><![CDATA[Tomás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Escuela Técnica Agrícola e Industrial (ETAI) Centro de Investigación en Agroindustria, Biotecnología y Veterinaria (CIABIV) ]]></institution>
<addr-line><![CDATA[Santa Clara San Carlos]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>19</volume>
<numero>4</numero>
<fpage>297</fpage>
<lpage>306</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2074-86472019000400297&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2074-86472019000400297&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2074-86472019000400297&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El jengibre (Zingiber officinale Roscoe) es una planta de gran interés por sus propiedades y usos. Aunque se ha propagado in vitro en medios de cultivo semisólidos, el empleo de Sistemas de inmersión Temporal (SIT) podría ser una alternativa para incrementar el número de plantas. La investigación tuvo como objetivo multiplicar Z. officinale en SIT. Se ejecutaron cuatro experimentos con los que se seleccionaron el tiempo de inmersión (5, 10 y 15 minutos), la frecuencia de inmersión (cuatro inmersiones cada tres horas, dos inmersiones cada 12 horas y una inmersión cada 24 horas), el volumen de medio de cultivo por explante (30, 40 y 50 ml) y una comparación del sistema SIT, con el método convencional de propagación en medio de cultivo semisólido. Se comprobó que el tiempo de inmersión no influyó sobre las variables evaluadas. Con inmersiones cada seis horas (cuatro inmersiones al día) se obtuvo el mayor coeficiente de multiplicación, longitud de los brotes y número de raíces. Con 20 ml de medio de cultivo por explante las plantas se observaron cloróticas y no se encontraron diferencias significativas entre 40 y 60 ml. La utilización de SIT con un tiempo de inmersión de 5 minutos, una frecuencia de inmersión cada 6 horas y un volumen de medio de cultivo de 40 ml/explante, superó la respuesta obtenida de brotes de jengibre cultivados en medio de cultivo semisólido. El empleo de SIT para la multiplicación in vitro de Zingiber officinale Roscoe cv. &#8216;Gran Caimán&#8217; incrementa el coeficiente de multiplicación y mejora las características de las plantas obtenidas. Se recomienda su uso como alternativa para propagar este cultivar seleccionado por productores del cantón de Guatuso, Alajuela, Costa Rica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Ginger (Zingiber officinale Roscoe) is a plant of great interest for its properties and uses. Although it has been in vitro propagated in semi-solid culture media, the use of Temporary Immersion Systems (TIS) could be an alternative to increase the number of plants. The research aimed to multiply Z. officinale in TIS. Four experiments were carried out for selecting the immersion time (5, 10 and 15 minutes), the immersion frequency (four immersions every three hours, two every 12 hours and one every 24 hours), the volume of medium culture by explant (30, 40 and 50 ml) and a comparison of the TIS system, with the conventional method of propagation in semi-solid culture medium. It was found that the immersion time did not influence the evaluated variables. With immersions every six hours (four per day) the highest multiplication coefficient, shoot length and number of roots were obtained. With 20 ml of culture medium per explant, the plants were observed chlorotic and no significant differences were found between 40 and 60 ml. The use of TIS with an immersion time of 5 minutes, an immersion frequency every 6 hours and a volume of culture medium of 40 ml / explant, improved the response obtained from ginger shoots grown in semi-solid culture medium. The use of SIT for in vitro multiplication of Zingiber officinale Roscoe cv. &#8216;Grand Cayman&#8217; increases the multiplication coefficient and improves the characteristics of the plants obtained. Its use is recommended as an alternative to propagate this cultivar selected by producers from the canton of Guatuso, Alajuela, Costa Rica.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[coeficiente de multiplicación]]></kwd>
<kwd lng="es"><![CDATA[jengibre]]></kwd>
<kwd lng="es"><![CDATA[organogénesis]]></kwd>
<kwd lng="en"><![CDATA[jengibre]]></kwd>
<kwd lng="en"><![CDATA[multiplication coefficient]]></kwd>
<kwd lng="en"><![CDATA[organogenesis]]></kwd>
</kwd-group>
</article-meta>
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