<?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>S2007-09342022000600965</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v13i6.3309</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Índices fisiológicos de siete especies forrajeras en diferentes ambientes tropicales]]></article-title>
<article-title xml:lang="en"><![CDATA[Physiological indices of seven forage species in different tropical environments]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[Erika Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duran Castro]]></surname>
<given-names><![CDATA[Carlos Vicente]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[Bernardo Silva]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Juárez Lagunes]]></surname>
<given-names><![CDATA[Francisco Indalecio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vélez Terranova]]></surname>
<given-names><![CDATA[Oscar Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mejía de Tafur]]></surname>
<given-names><![CDATA[María Sara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico Superior de Tantoyuca Ingenieria en Agronomía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Colombia Facultad de Departamento de Ciencia Animal Facultad de Ciencias Agropecuarias]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Ingenio San Carlos  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Veracruzana Facultad de Medicina Veterinaria y Zootecnia ]]></institution>
<addr-line><![CDATA[ Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<volume>13</volume>
<numero>6</numero>
<fpage>965</fpage>
<lpage>975</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342022000600965&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342022000600965&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342022000600965&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Constantemente los forrajes deben realizar procesos de adaptación a los diferentes cambios en los factores ambientales lo cual conlleva a que sus variables fisiológicas se vean afectadas. El objetivo fue evaluar el comportamiento fisiológico de siete especies forrajeras tropicales en diferentes condiciones ambientales durante 2019 en Palmira, Colombia. Se implementó un diseño de bloques completos al azar, en tres localidades con diferentes altitudes, con cuatro repeticiones por especie para un total de 28 unidades experimentales por localidad. Se utilizó un analizador de medición fotosintético portátil Lcpro+, para la toma de datos de la tasa de fotosíntesis, conductancia estomática, tasa de transpiración y CO2 interno. Los datos recolectados fueron analizados mediante una comparación de medias con la prueba de Duncan (p&#8804; 0.05). Los indicadores fisiológicos de la especie Estrella, Kikuyo y la leguminosa Centrosema molle en las tres altitudes y las dos épocas demostrarían los mecanismos de adaptación que estas desarrollan en lugares adversos a los que se establecen.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Forages must constantly carry out adaptation processes to the different changes in environmental factors, which leads to their physiological variables being affected. The objective was to evaluate the physiological behavior of seven tropical forage species under different environmental conditions during 2019 in Palmira, Colombia. A randomized complete block design was implemented, in three locations with different altitudes, with four repetitions per species for a total of 28 experimental units per locality. A Lcpro+ portable photosynthetic measurement analyzer was used to collect data on the photosynthesis rate, stomatal conductance, transpiration rate and internal CO2. The data collected were analyzed using by means of a comparison of means with the Duncan test (p&#8804; 0.05). The physiological indicators of the species Estrella, Kikuyu and the legume Centrosema molle at the three altitudes and the two seasons would demonstrate the adaptation mechanisms that they develop in adverse places in which they settle.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[adaptabilidad]]></kwd>
<kwd lng="es"><![CDATA[altitud]]></kwd>
<kwd lng="es"><![CDATA[épocas]]></kwd>
<kwd lng="es"><![CDATA[forrajes]]></kwd>
<kwd lng="en"><![CDATA[adaptability]]></kwd>
<kwd lng="en"><![CDATA[altitude]]></kwd>
<kwd lng="en"><![CDATA[forages]]></kwd>
<kwd lng="en"><![CDATA[seasons]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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