<?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>0187-5779</journal-id>
<journal-title><![CDATA[Terra Latinoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Terra Latinoam]]></abbrev-journal-title>
<issn>0187-5779</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de la Ciencia del Suelo A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-57792021000100135</article-id>
<article-id pub-id-type="doi">10.28940/terra.v39i0.902</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Producción de mini tubérculos de papa en aeroponía en comparación con suelo y polvo de coco]]></article-title>
<article-title xml:lang="en"><![CDATA[Potato minituber production in aeroponics compared to soil and coir dust]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Segura]]></surname>
<given-names><![CDATA[David Rogelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdez-Aguilar]]></surname>
<given-names><![CDATA[Luis Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Rodríguez]]></surname>
<given-names><![CDATA[Homero]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zermeño-González]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cadena-Zapata]]></surname>
<given-names><![CDATA[Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro  ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</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>39</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792021000100135&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792021000100135&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792021000100135&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La papa (Solanum tuberosum L.) es uno de los principales cultivos para la alimentación de la población mundial. Debido a la acumulación de problemas fitosanitarios, los productores de este cultivo se han visto obligados a realizar una mayor aplicación de pesticidas, afectando al medio ambiente y la rentabilidad. Una estrategia para disminuir los problemas fitosanitarios en papa es iniciar el ciclo de producción con mini tubérculos libre de enfermedades, los cuales se producen cultivando plantas certificadas en suelo libre de patógenos; sin embargo, en un sistema de aeroponía, o bien en un sistema de cultivo sin suelo, es posible obtener un mayor rendimiento y calidad del mini tubérculo. El objetivo del presente estudio fue determinar el efecto del sistema de aeroponía en la producción de mini tubérculos de papa, comparado con la producción en contenedor en suelo o en un sustrato a base de polvo de coco. En el sistema aeropónico se presentó una producción de mini tubérculos 4.4 × superior al obtenido por plantas en suelo, mientras que las plantas en polvo de coco superaron también a las crecidas en suelo en 40%. La mayor producción de mini tubérculos en aeroponía estuvo asociado con una mayor producción de estolones, ya que estos fueron 2.4 × mayor al producido por plantas en suelo. En aeroponía, el 96.6% de los mini tubérculos pesaron menos de 50 g y solo el 3.4% fue mayor de 50 g; en contraste, el 19.8 y 24.3% de los mini tubérculos fueron mayores de 51 g en plantas crecidas en polvo de coco o en suelo, respectivamente. En general, el crecimiento vegetativo de las plantas en aeroponía fue mayor que el obtenido en polvo de coco y suelo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: Potato (Solanum tuberosum L.) is one of the main food crops for feeding the world&#8217;s population. Due to the accumulation of parasitological problems, potato growers have been forced to make a greater application of pesticides, affecting the environment and profitability. A strategy to reduce plant health problems in potato is to start the growing season with disease-free minitubers, which are grown from certified plants in pathogen-free soil; however, in aeroponics or in a soilless cultivation system, a higher yield and quality of mini tubers might be obtained. Therefore, the objective of this study was to determine the effect of aeroponics on minituber production compared to the production in soil or in a substrate based on coconut coir dust. In aeroponics, a mini tuber production resulted 4.4 times higher than that obtained by plants on soil, while plants on coir dust also outperformed production on soil by 40%. Higher production of minitubers in aeroponics was associated with higher stolon production, since 2.4 times more stolons were produced than those by plants in soil. In aeroponics, 96.6% of the minitubers weighed less than 50 g and only 3.4% was greater than 50 g; in contrast, 19.8% and 24.3% of minitubers were greater than 50.1 g in plants grown in coir dust or in soil, respectively. In general, the vegetative growth of plants in aeroponics was greater than that obtained in coconut coir dust and soil.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[cultivos hidropónicos]]></kwd>
<kwd lng="es"><![CDATA[sistemas de recirculación]]></kwd>
<kwd lng="es"><![CDATA[sustratos]]></kwd>
<kwd lng="en"><![CDATA[hydroponics]]></kwd>
<kwd lng="en"><![CDATA[recirculating systems]]></kwd>
<kwd lng="en"><![CDATA[substrates]]></kwd>
</kwd-group>
</article-meta>
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