<?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>2071-0054</journal-id>
<journal-title><![CDATA[Revista Ciencias Técnicas Agropecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cie Téc Agr]]></abbrev-journal-title>
<issn>2071-0054</issn>
<publisher>
<publisher-name><![CDATA[Universidad Agraria de La Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2071-00542024000200007</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effect of a Pectic Oligosaccharide on the Root Development of Maize]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto de un oligosacárido pécticos en el desarrollo radical del maíz.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sáez-Cigarruista]]></surname>
<given-names><![CDATA[Ana Elida]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Guevara]]></surname>
<given-names><![CDATA[Donaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gordón-Mendoza]]></surname>
<given-names><![CDATA[Román]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jaén-Villarreal]]></surname>
<given-names><![CDATA[Jorge Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-Manzané]]></surname>
<given-names><![CDATA[Francisco Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Franco-Barrera]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Innovación Agropecuaria de Panamá  ]]></institution>
<addr-line><![CDATA[Ciudad del Saber Clayton]]></addr-line>
<country>Panamá</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Ciencias Agrícolas  ]]></institution>
<addr-line><![CDATA[San José de Las Lajas Mayabeque]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<volume>33</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2071-00542024000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2071-00542024000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2071-00542024000200007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The objective of this research was to determine the effect of a pectic oligosaccharide on the root development of maize plants in El Ejido, Los Santos, Republic of Panama, during two research cycles in the year 2022. Two treatments were evaluated: the control and the treatment imbibed with biostimulant. A completely randomized design was used, where the data obtained were analyzed using the t-Student test for independent samples. This experiment was established in polyethylene bags of different sizes. A drip irrigation system with a venturi was used to apply fertigation to the crop. The variables evaluated were: wet and dry root weight, root number count, root length and root diameter. Variables of the aerial part of the plant such as plant height, leaf area, stem diameter and biomass were also determined. The results showed that the application of pectic oligosaccharides significantly increased the length, weight and number of roots. This increase was also reflected in greater leaf area, height and dry mass of the crop. The imbibition of maize seed with pectic oligosaccharides is beneficial for both root and aerial growth and development of the maize crop.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El objetivo de esta investigación fue determinar el efecto de un oligosacárido péctico en el desarrollo radical de plantas de maíz en El Ejido, Los Santos, República de Panamá, durante dos ciclos de investigación en el año 2022. Se evaluaron dos tratamientos el testigo y el tratamiento imbibido con bioestimulante. Se utilizó un diseño completamente al azar, donde los datos obtenidos se analizaron mediante prueba de t-Student de muestras independientes. Este experimento se estableció en bolsas de polietileno de diferentes tamaños. Se utilizó un sistema de riego por goteo con un venturi para aplicar el fertirriego al cultivo. Las variables evaluadas fueron: peso húmedo y seco de raíces, conteo del número, largo y diámetro de las raíces. También se determinaron variables de la parte aérea de la planta como: altura de la planta, área foliar, diámetro del tallo y biomasa. Los resultados mostraron que la aplicación de oligosacáridos pécticos incrementó significativamente la longitud, peso y número de raíces. Este incremento también fue relejado en mayor área foliar, altura y masa seca del cultivo. La imbibición de la semilla de maíz con oligosacáridos pécticos es beneficiosa para el crecimiento y desarrollo tanto radical como aéreo del cultivo de maíz.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Biostimulants]]></kwd>
<kwd lng="en"><![CDATA[Growth]]></kwd>
<kwd lng="en"><![CDATA[Imbibition]]></kwd>
<kwd lng="en"><![CDATA[Productivity]]></kwd>
<kwd lng="en"><![CDATA[Resistance]]></kwd>
<kwd lng="es"><![CDATA[Bioestimulantes]]></kwd>
<kwd lng="es"><![CDATA[crecimiento]]></kwd>
<kwd lng="es"><![CDATA[imbibición]]></kwd>
<kwd lng="es"><![CDATA[productividad]]></kwd>
<kwd lng="es"><![CDATA[resistencia]]></kwd>
</kwd-group>
</article-meta>
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