<?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>S2074-86472019000100043</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Conservación in vitro de cultivares de Ipomoea batatas (L.) Lam por crecimiento mínimo con el uso de manitol]]></article-title>
<article-title xml:lang="en"><![CDATA[In vitro conservation of Ipomoea batatas (L.) Lam cultivars by minimum growth with the use of mannitol]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rayas Cabrera]]></surname>
<given-names><![CDATA[Aymé]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Torres]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medero Vega]]></surname>
<given-names><![CDATA[Víctor R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Basail Pérez]]></surname>
<given-names><![CDATA[Milagros]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos Pino]]></surname>
<given-names><![CDATA[Arletys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Sánchez]]></surname>
<given-names><![CDATA[Yenisey]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Investigaciones de Viandas Tropicales  ]]></institution>
<addr-line><![CDATA[Santo Domingo Villa Clara]]></addr-line>
<country>Cuba</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>19</volume>
<numero>1</numero>
<fpage>43</fpage>
<lpage>51</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2074-86472019000100043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2074-86472019000100043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2074-86472019000100043&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La conservación in vitro de Ipomoea batatas (L.) Lam permite el intercambio de germoplasma y su disponibilidad para programas de mejoramiento genético. El objetivo de este trabajo fue determinar el efecto de manitol y ácido abscísico en la conservación mediante crecimiento mínimo de cultivares de I. batatas del Banco de Germoplasma del INIVIT. Los tratamientos incluyeron ácido abscísico (ABA)(5 y 10 mg l-1) y manitol (1.0, 1.5 y 2.0%) en un medio de cultivo MS basal, la combinación de ABA (10 mg l-1) y manitol (1.0, 1.5 y 2.0%). Como controles se emplearon el medio de cultivo MS basal y MS con sorbitol (1.0%) y glucosa (1.0%). En los cultivares &#8216;Cautillo&#8217; e &#8216;INIVIT BS 16-2006&#8217; se obtuvieron los mejores resultados de supervivencia, disminución del crecimiento y hojas verdes pero pequeñas en los tratamientos que contenían el medio de cultivo basal con manitol (10, 15 y 20%). En los medios de cultivo con ácido abscísico no se logró crecimiento de los explantes. El medio de cultivo MS con 2 mg l-1 de tiamina, 100 mg l-1 de mio-inositol y 1.0% de manitol, posibilita la conservación in vitro de cultivares de boniato entre seis y ocho meses.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In vitro conservation of Ipomoea batatas (L.) Lam allows the exchange of germplasm and its availability for breeding programs. The objective of this work was to determine the effect of mannitol and abscisic acid in the conservation through minimum growth of I. batatas cultivars from INIVIT Germplasm Bank. Treatments included abscisic acid (ABA) (5 and 10 mg l-1) and mannitol (1.0, 1.5 and 2.0%) in a basal MS culture medium, the combination of ABA (10 mg l-1) and mannitol (1.0, 1.5 and 2.0%). As controls were used the MS basal culture medium and MS with sorbitol (1.0%) and glucose (1.0%). In the cultivars 'Cautillo' and 'INIVIT BS 16-2006' the best results of survival, growth decrease and green but small leaves were obtained in the treatments that contained the basal culture medium with mannitol (10, 15 and 20%) . Growth of the explants was not achieved in culture media with abscisic acid. The MS culture medium with 2 mg l-1 of thiamine, 100 mg l-1 of myo-inositol and 1.0% of mannitol, allows the in vitro conservation of sweet potato cultivars between six and eight months.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[agente osmótico]]></kwd>
<kwd lng="es"><![CDATA[boniato]]></kwd>
<kwd lng="es"><![CDATA[germoplasma]]></kwd>
<kwd lng="es"><![CDATA[medio de cultivo]]></kwd>
<kwd lng="en"><![CDATA[osmotic agent]]></kwd>
<kwd lng="en"><![CDATA[sweet potato]]></kwd>
<kwd lng="en"><![CDATA[germplasm]]></kwd>
<kwd lng="en"><![CDATA[culture medium]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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