<?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>0187-7380</journal-id>
<journal-title><![CDATA[Revista fitotecnia mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. fitotec. mex]]></abbrev-journal-title>
<issn>0187-7380</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitogenética A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-73802020000400361</article-id>
<article-id pub-id-type="doi">10.35196/rfm.2020.4.361</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diversidad morfológica y agronómica de maíces nativos del altiplano de Tamaulipas, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphological and agronomic diversity of maize native to the high plateau of Tamaulipas, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Martínez]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rocandio-Rodríguez]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras-Toledo]]></surname>
<given-names><![CDATA[Aremi R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Joaquín-Cancino]]></surname>
<given-names><![CDATA[Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vanoye-Eligio]]></surname>
<given-names><![CDATA[Venancio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chacón-Hernández]]></surname>
<given-names><![CDATA[Julio C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Bautista]]></surname>
<given-names><![CDATA[Aurelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Tamaulipas Instituto de Ecología Aplicada ]]></institution>
<addr-line><![CDATA[Ciudad Victoria Tamaulipas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Centro Nacional de Recursos Genéticos ]]></institution>
<addr-line><![CDATA[Tepatitlán de Morelos Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Tamaulipas Facultad de Ingeniería y Ciencias ]]></institution>
<addr-line><![CDATA[Ciudad Victoria Tamaulipas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>43</volume>
<numero>4</numero>
<fpage>361</fpage>
<lpage>370</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802020000400361&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802020000400361&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802020000400361&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El estado de Tamaulipas en México es considerado como parte de los centros de origen del maíz nativo, los maíces que ahí se cultivan poseen características agronómicas de importancia y son ampliamente diversos; sin embargo, los estudios de diversidad en el estado han sido pocos. Se analizó la diversidad morfológica y agronómica entre poblaciones de maíz nativo cultivadas en el Altiplano de Tamaulipas. Se establecieron experimentos en los municipios de Jaumave, Tula y Güémez, Tamaulipas, bajo un diseño experimental de bloques completos al azar en los ciclos de siembra otoñoinvierno 2016-2017 y primavera-verano del 2017, con 98 poblaciones de maíz nativo y dos testigos. Se registraron 33 caracteres morfológicos, se sometieron a análisis de varianza combinado; la agrupación de la diversidad se realizó mediante análisis de componentes principales. El análisis de componentes principales explico el 73.96 % de la variación total y mostró que los caracteres fenológicos y de mazorca fueron los que mayormente sustentaron la variación morfológica. El análisis de conglomerados permitió la identificación de dos grandes grupos morfológicos, donde predominó la raza Ratón. La variación del maíz nativo de Tamaulipas es amplia y contínua, en la cual se podrían encontrar alelos de interés para incorporarlos a programas de mejoramiento genético de maíz.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary The state of Tamaulipas in Mexico is considered part of the centers of origin of native maize, the maize grown there has important agronomic characteristics and is widely diverse; however, studies on diversity in the state have been scarce. Morphological and agronomic variation among populations of native maize cultivated in the highlands of Tamaulipas was analyzed. Experiments were established in the municipalities of Jaumave, Tula and Güémez, Tamaulipas, under a randomized complete blocks experimental design in the Autumn-Winter 2016-2017 and Spring-Summer 2017 agricultural cycles using 98 populations of native maize and two checks. Thirty-three morphological characters were recorded and subjected to a combined analysis of variance; diversity grouping was carried out using principal component analysis. The principal component analysis explained 73.96 % of the total variation, and showed that the phenological and ear traits were the ones that mainly supported the morphological variation. The cluster analysis allowed the identification of two large morphological groups, where the Raton race predominated. Variation of native maize of Tamaulipas is broad and continuous, in which alleles of interest could be found to incorporate them into maize breeding programs.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Zea mays]]></kwd>
<kwd lng="es"><![CDATA[caracteres morfológicos]]></kwd>
<kwd lng="es"><![CDATA[maíces nativos]]></kwd>
<kwd lng="es"><![CDATA[razas de maíz]]></kwd>
<kwd lng="en"><![CDATA[Zea mays]]></kwd>
<kwd lng="en"><![CDATA[morphological characters]]></kwd>
<kwd lng="en"><![CDATA[maize races]]></kwd>
<kwd lng="en"><![CDATA[native maize]]></kwd>
</kwd-group>
</article-meta>
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