<?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>2409-1618</journal-id>
<journal-title><![CDATA[Revista de Investigación e Innovación Agropecuaria y de Recursos Naturales]]></journal-title>
<abbrev-journal-title><![CDATA[RIIARn]]></abbrev-journal-title>
<issn>2409-1618</issn>
<publisher>
<publisher-name><![CDATA[Universidad Mayor de San Andrés:Facultad de Agronomía ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2409-16182021000300021</article-id>
<article-id pub-id-type="doi">10.53287/kdux7546xv19l</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Métodos de desinfección para el establecimiento in vitro de dos variedades de yuca para uso agroindustrial]]></article-title>
<article-title xml:lang="en"><![CDATA[Disinfection methods for the in vitro establishment of two varieties of cassava for agroindustrial use]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilera-Arango]]></surname>
<given-names><![CDATA[Germán Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Puentes-Díaz]]></surname>
<given-names><![CDATA[Carol Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Henao]]></surname>
<given-names><![CDATA[Eberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Valle  ]]></institution>
<addr-line><![CDATA[Valle ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Valle  ]]></institution>
<addr-line><![CDATA[Valle ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Valle  ]]></institution>
<addr-line><![CDATA[Valle ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>8</volume>
<numero>3</numero>
<fpage>21</fpage>
<lpage>30</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&amp;pid=S2409-16182021000300021&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_abstract&amp;pid=S2409-16182021000300021&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_pdf&amp;pid=S2409-16182021000300021&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La yuca (Manihot esculenta Crantz) es un cultivo de importancia económica en el departamento del Cauca, ubicado en el Suroccidente de Colombia. La mayoría de los agricultores utilizan como material de siembra ramas de cosechas pasadas, muchas veces con deficiente calidad fitosanitaria, repercutiendo en la producción de almidón. Una forma de obtener material de siembra de yuca con calidad es por medio del cultivo de tejidos vegetales in vitro. El presente trabajo tuvo como objetivo evaluar tres métodos de desinfección en dos variedades de yuca para uso agroindustrial, con el propósito de estandarizar el establecimiento in vitro de estas variedades para la producción de material de siembra con calidad fitosanitaria. Para ello se utilizaron como explantes segmentos uninodales de tallos de yuca de las variedades Corpoica Cumbre 3 y Corpoica La Francesa, los cuales fueron sometidos a tres métodos de desinfección, donde varió la concentración de hipoclorito de sodio y tiempo de desinfección antes de establecerse en el medio MS. Con los resultados se pudo determinar que el agente que causó mayor porcentaje de contaminación fueron las bacterias seguido de los hongos y que el componente genético de cada variedad tiene un efecto diferencial sobre los métodos de desinfección para el establecimiento in vitro. Para este estudio se concluye que el uso de hipoclorito de sodio al 2.5 % por 10 minutos resultó ser el mejor tratamiento de desinfección para la variedad Corpoica La Francesa, mientras que otras metodologías deben ser evaluadas para la variedad Corpoica Cumbre 3.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Cassava (Manihot esculenta Crantz) is an economically important crop in the department of Cauca, located in the Southwest of Colombia. Most farmers use branches from past harvests as planting material, often with poor phytosanitary quality, affecting the production of starch. One way to obtain quality cassava planting material is through in vitro plant tissue culture. The present work aimed to evaluate three disinfection methods in two varieties of cassava for agroindustrial use, in order to standardize the in vitro establishment of these varieties to produce planting material with phytosanitary quality. For this, nodal segments of cassava stems of the Corpoica Cumbre 3 and Corpoica La Francesa varieties were used as explants, which were subjected to three disinfection methods, where the concentration of sodium hypochlorite and disinfection time varied before being put to grow in MS medium. With the results it was possible to determine that the agent that caused the highest percentage of contamination was bacteria followed by fungi and that the genetic component of each variety has a differential effect on the disinfection methods for the in vitro establishment For this study, it is concluded that the use of 2.5 % sodium hypochlorite for 10 minutes turned out to be the best disinfection treatment for the Corpoica La Francesa variety, while other methodologies should be evaluated for the Corpoica Cumbre 3 variety.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Calidad fitosanitaria]]></kwd>
<kwd lng="es"><![CDATA[Corpoica Cumbre 3]]></kwd>
<kwd lng="es"><![CDATA[Corpoica La Francesa]]></kwd>
<kwd lng="es"><![CDATA[Manihot esculenta]]></kwd>
<kwd lng="es"><![CDATA[material de siembra]]></kwd>
<kwd lng="en"><![CDATA[Phytosanitary quality]]></kwd>
<kwd lng="en"><![CDATA[Corpoica Cumbre 3]]></kwd>
<kwd lng="en"><![CDATA[Corpoica La Francesa]]></kwd>
<kwd lng="en"><![CDATA[Manihot esculenta]]></kwd>
<kwd lng="en"><![CDATA[planting material]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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