<?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>2007-1132</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias forestales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. de cienc. forestales]]></abbrev-journal-title>
<issn>2007-1132</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-11322022000100056</article-id>
<article-id pub-id-type="doi">10.29298/rmcf.v13i69.844</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efectos del pretratamiento con Trichoderma y Bacillus en la germinación de semillas de Agave victoriae-reginae T. Moore]]></article-title>
<article-title xml:lang="en"><![CDATA[Effects of Trichoderma and Bacillus pre-treatments on the germination of Agave victoriae-reginae T. Moore seeds]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo Reyes]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo Quiroz]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sáenz Ceja]]></surname>
<given-names><![CDATA[Jesús Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rueda Sánchez]]></surname>
<given-names><![CDATA[Agustín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sáenz Reyes]]></surname>
<given-names><![CDATA[J. Trinidad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Saltillo ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Investigaciones en Ecosistemas y Sustentabilidad ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Centro Altos de Jalisco ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Uruapan ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<volume>13</volume>
<numero>69</numero>
<fpage>56</fpage>
<lpage>72</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11322022000100056&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11322022000100056&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11322022000100056&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La aplicación de tratamientos pregerminativos es fundamental para mejorar las tasas de germinación de las semillas de especies forestales, entre los cuales el uso de microorganismos es uno de ellos. En este estudio se evaluó el porcentaje de germinación de semillas de Agave victoriae-reginae tratadas con Trichoderma spp. y Bacillus spp. Se probaron tres tratamientos: T1 (Trichoderma), T2 (Bacillus) y T3 (Testigo), con tres repeticiones de 100 semillas cada una. Las semillas se sumergieron en una solución de 1 × 106 UFC (tratamientos T1 y T2), y en agua corriente (T3), luego se sembraron sobre Sphagnum peat moss y se registró el porcentaje de germinación diariamente. La germinación comenzó a los 5 días después de la siembra, lo que significa que las semillas no presentaron latencia. Entre el 8° y 12° día se registró un aumento acelerado de la germinación en los tres casos, hasta que la el proceso finalizó a los 26 días, con 85 % de germinación total para semillas tratadas con Trichoderma, 86.7 % con Bacillus y 74 % con el testigo. Se observó un efecto significativo del tratamiento sobre el porcentaje de germinación; incluso el uso de ambos microorganismos aceleró el proceso de germinación con respecto al testigo. Estos resultados sugieren que el uso de Trichoderma spp y Bacillus spp. como tratamientos pregerminativos puede mejorar la germinación de A. victoriae-reginae y su conservación a largo plazo, lo que contribuye a la permanencia de esta especie en peligro de extinción.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Application of germinative treatments is key to improve germination rates of forest species seeds, among which is found the use of microorganisms. In this study, the percentage of germination of Agave victoriae-reginae seeds treated with Trichoderma spp, and Bacillus spp was evaluated. Three treatments were tested: T1 (Trichoderma), T2 (Bacillus), and T3 (control), with three replications of 100 seeds each one. The seeds were immersed in a solution 1 × 106 CFU (treatments T1 and T2), and water in T3, then they were sowed, and the germination percentage was recorded daily. The germination began 5 days before the sown, which indicated that seeds did not present dormancy. Between 8° and 12° day an accelerated increase of germination was recorded in the three cases, until it ended at day 26, with 85 % as total germination for seeds treated with Trichoderma spp., 86.7 % with Bacillus spp., and 74 % with control. A significant effect of treatment on the germination percentage was found; even the use of both microorganisms accelerated the germination process compared to control. These results suggest that the use of Trichoderma spp, and Bacillus spp. as pregerminative treatments can improve the germination of A. victoriae-reginae and its long-term conservation, which contributes to the preservation of this endangered species.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Agave]]></kwd>
<kwd lng="es"><![CDATA[especie en riesgo]]></kwd>
<kwd lng="es"><![CDATA[latencia]]></kwd>
<kwd lng="es"><![CDATA[noa]]></kwd>
<kwd lng="es"><![CDATA[tratamiento pregerminativo]]></kwd>
<kwd lng="es"><![CDATA[viabilidad de semilla]]></kwd>
<kwd lng="en"><![CDATA[Agave]]></kwd>
<kwd lng="en"><![CDATA[endangered species]]></kwd>
<kwd lng="en"><![CDATA[dormancy]]></kwd>
<kwd lng="en"><![CDATA[noa]]></kwd>
<kwd lng="en"><![CDATA[germinative treatment]]></kwd>
<kwd lng="en"><![CDATA[seed viability]]></kwd>
</kwd-group>
</article-meta>
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