<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342018000300691</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v9i3.1226</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Germinación in vitro de biznaga cabuchera]]></article-title>
<article-title xml:lang="en"><![CDATA[In vitro germination of biznaga cabuchera]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Ruíz]]></surname>
<given-names><![CDATA[Erick Rubén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Poot-Poot]]></surname>
<given-names><![CDATA[Wilberth A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rangel-Lucio]]></surname>
<given-names><![CDATA[José Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vaquera-Huerta]]></surname>
<given-names><![CDATA[Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Gaona]]></surname>
<given-names><![CDATA[Othón Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Treviño-Carreón]]></surname>
<given-names><![CDATA[Jacinto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Ciudad Victoria  ]]></institution>
<addr-line><![CDATA[Ciudad Victoria Tamaulipas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Tamaulipas Facultad de Ingeniería y Ciencias Centro Universitario Adolfo López Mateos]]></institution>
<addr-line><![CDATA[Cd. Victoria Tamaulipas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Colegio de Postgraduados Posgrado en Estadística ]]></institution>
<addr-line><![CDATA[Texcoco ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2018</year>
</pub-date>
<volume>9</volume>
<numero>3</numero>
<fpage>691</fpage>
<lpage>699</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342018000300691&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342018000300691&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342018000300691&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Ferocactus pilosus [(Galeotti ex Salm-Dyck) Werdermann] es una cactácea conocida como biznaga, la cual muestra crecimiento lento y se encuentra catalogada como una especie en riesgo de extinción. El objetivo del presente estudio fuel el realizar un ensayo in vitro con el fin de estudiar el efecto de tratamientos químicos y reguladores de crecimiento, como promotores de la germinación de semillas colectadas en dos años consecutivos. Los productos químicos que se estudiaron fueron el H2SO4 y H2O2 y como los fitoreguladores AG3, AIA y ANA, bajo diferentes tiempos de inmersión y concentración, respectivamente. La asignación de tratamientos fue bajo un diseño completamente al azar. Durante 30 días se registró número de semillas germinadas cada 2 días y se determinó la germinación estándar. Se utilizó la regresión logística para estudiar el efecto de los factores de estudio sobre la proporción de semillas germinadas. La germinación estándar de la biznaga es 82% con el tratamiento H2SO4, mientras que la germinación de la semilla inicia entre 2 y 6 días después de la siembra en ambos años y la fase logarítmica representativa se tiene entre 8 y 20 días con H2SO4 en 2015. Las semillas de biznaga muestreadas el año 2016 muestran mayor lentitud para cubrir la fase inicial de la germinación, cubierta en 16 días. La aplicación de H2SO4 acortó 4 días el tiempo de germinación y aumentó 82% la germinación estándar, mientras que el H2O mantuvo constante la germinación estándar (±50%) y el tiempo de respuesta de la germinación se localizó entre 6 y 10 días de la siembra in vitro.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Ferocactus pilosus [(Galeotti ex Salm-Dyck) Werdermann] is a cactacea known as biznaga, which shows slow growth and is listed as a species at risk of extinction. The objective of the present study was to carry out an in vitro test in order to study the effect of chemical treatments and growth regulators, as promoters of seed germination collected in two consecutive years. The chemical products studied were H2SO4 and H2O2 and as the AG3, AIA and ANA phytoregulators, under different immersion and concentration times, respectively. The allocation of treatments was under a completely randomized design. For 30 days, the number of seeds germinated every 2 days was recorded and the standard germination was determined. Logistic regression was used to study the effect of the study factors on the proportion of germinated seeds. The standard germination of the biznaga is 82% with the H2SO4 treatment, while the germination of the seed starts between 2 and 6 days after sowing in both years and the representative logarithmic phase is between 8 and 20 days with H2SO4 in 2015. The biznaga seeds sampled in 2016 show greater slowness to cover the initial phase of germination, covered in 16 days. The application of H2SO4 shortened the germination time by 4 days and increased the standard germination by 82%, while the H2O kept the standard germination constant (±50%) and the germination response time was found between 6 and 10 days after the germination, planting in vitro.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ferocactus pilosus]]></kwd>
<kwd lng="es"><![CDATA[H2O2]]></kwd>
<kwd lng="es"><![CDATA[H2SO4]]></kwd>
<kwd lng="es"><![CDATA[germinación estándar]]></kwd>
<kwd lng="es"><![CDATA[regulador de crecimiento]]></kwd>
<kwd lng="es"><![CDATA[tiempo de germinación]]></kwd>
<kwd lng="en"><![CDATA[Ferocactus pilosus]]></kwd>
<kwd lng="en"><![CDATA[H2O2]]></kwd>
<kwd lng="en"><![CDATA[H2SO4]]></kwd>
<kwd lng="en"><![CDATA[germination time]]></kwd>
<kwd lng="en"><![CDATA[growth regulator]]></kwd>
<kwd lng="en"><![CDATA[standard germination]]></kwd>
</kwd-group>
</article-meta>
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