<?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>0379-3982</journal-id>
<journal-title><![CDATA[Revista Tecnología en Marcha]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnología en Marcha]]></abbrev-journal-title>
<issn>0379-3982</issn>
<publisher>
<publisher-name><![CDATA[Instituto Tecnológico de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0379-39822023000200032</article-id>
<article-id pub-id-type="doi">10.18845/tm.v36i2.5999</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Primer informe sobre presencia de yemas cotiledonares en plántulas de tacaco (Sechium tacaco (Pittier) C. Jeffrey)]]></article-title>
<article-title xml:lang=""><![CDATA[First report on presence of cotiledonous buds in tacaco (Sechium tacaco (Pittier) C. Jeffrey) seedlings]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monge-Pérez]]></surname>
<given-names><![CDATA[José Eladio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loría-Coto]]></surname>
<given-names><![CDATA[Michelle]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Estatal a Distancia,  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>36</volume>
<numero>2</numero>
<fpage>32</fpage>
<lpage>36</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0379-39822023000200032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0379-39822023000200032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0379-39822023000200032&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo fue realizar observaciones sobre el desarrollo morfológico de las plántulas de tacaco (Sechium tacaco). Se sembraron 50 semillas de tacaco, y se evaluó el desarrollo de las plántulas. A los 30 días de la emergencia de las plántulas, en dos de ellas se encontró que, luego de la muerte del tallo principal, se produjo la emergencia de un nuevo tallo desde el interior de la cubierta seminal, a partir de las yemas cotiledonares. En la presente investigación se informa por primera vez sobre la existencia de yemas cotiledonares en tacaco, lo que representa un hallazgo científico en esta especie.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective was to make observations on the morphological development of the tacaco (Sechium tacaco) seedlings. 50 tacaco seeds were sown, and the development of the seedlings was evaluated. 30 days after the emergence of the seedlings, in two of them it was found that, after the death of the main stem, a new stem emerged from the interior of the seed coat, from the cotyledonous buds. This is the first notice about the existence of cotyledonous buds in tacaco; this is a significant scientific event for this species.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ontogenia]]></kwd>
<kwd lng="es"><![CDATA[brote]]></kwd>
<kwd lng="es"><![CDATA[tallo]]></kwd>
<kwd lng="es"><![CDATA[cotiledón]]></kwd>
<kwd lng="en"><![CDATA[Ontogeny]]></kwd>
<kwd lng="en"><![CDATA[sprout]]></kwd>
<kwd lng="en"><![CDATA[stem]]></kwd>
<kwd lng="en"><![CDATA[cotyledon]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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