<?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>S0187-73802025000200103</article-id>
<article-id pub-id-type="doi">10.35196/rfm.2025.2.103</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Selección de familias de maíz nativo para color de grano amarillo: características agronómicas y carotenoides]]></article-title>
<article-title xml:lang="en"><![CDATA[Selection of native maize families for yellow grain color: agronomic traits and carotenoids]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Ruiz]]></surname>
<given-names><![CDATA[Rosemberg]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Ramírez]]></surname>
<given-names><![CDATA[Francisco Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rincón-Sánchez]]></surname>
<given-names><![CDATA[Froylán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Torres]]></surname>
<given-names><![CDATA[Norma Angélica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Departamento de Fitomejoramiento ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Centro de Capacitación y Desarrollo de Tecnología en Semillas ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>48</volume>
<numero>2</numero>
<fpage>103</fpage>
<lpage>113</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802025000200103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802025000200103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802025000200103&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Entre la amplia diversidad del maíz, el grano amarillo-anaranjado ha sido reconocido como fuente de carotenoides, incluida la provitamina A, los cuales son benéficos para la salud humana; no obstante, para la mejora de la concentración, la cuantificación en cada progenie es una limitante; por lo tanto, se planteó la selección visual para color de grano amarillo como método indirecto. Para conocer el efecto, se evaluaron las características agronómicas y la concentración de carotenoides en dos generaciones de familias de hermanos completos (FHC) en maíz amarillo nativo de Coahuila, México. El estudio se realizó con 18 accesiones de cinco grupos raciales (Ratón, Tuxpeño, Tuxpeño Norteño, Cónico Norteño y Celaya) y la evaluación agronómica se hizo en tres localidades de la región sureste de Coahuila: Buenavista, Saltillo; Galeana, Nuevo León y General Cepeda. Con las ocho FHC sobresalientes para color de grano se determinó el contenido de carotenoides y provitamina A. La selección afectó significativamente (P &#8804; 0.05) el rendimiento (entre -0.30 y 0.90 t ha-1), la floración (entre -8.9 y 6.5 días) y la altura de la planta (entre -26.2 y 30.3 cm). Las concentraciones máximas de carotenoides en µg g-1 fueron: 1.58 luteína (LUT), 2.02 zeaxantina (ZEAX), 2.28 criptoxantina (CRYPT), 0.56 13-cis &#946;-caroteno (13&#946;C), 1.45 &#946;-caroteno (&#946;CAR), 0.97 9-cis &#946;-caroteno (9&#946;C), 4.13 provitamina A (PROA) y 10.19 carotenoides totales (TOTAL). Se observaron diferencias significativas (P &#8804; 0.05) entre familias para la concentración de carotenoides; el TOTAL fue modificado en cada accesión entre -0.46 y1.94 µg g-1, PROA entre -0.38 y 0.85 µg g-1 y CRYPT entre 0.24 y 0.91 µg g-1. La selección visual del color de grano amarillo permitió modificar el contenido de provitamina A en el maíz nativo; no obstante, este aumento fue reducido considerando las necesidades alimenticias humanas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary Among the wide diversity of maize, the yellow-orange grain has been recognized as a source of carotenoids, including provitamin A, which are beneficial to human health; however, for the improvement of concentration, quantification in each progeny is a limiting factor; therefore, visual selection for yellow grain color was proposed as an indirect method. To determine this effect, agronomic characteristics and carotenoid concentration were evaluated in two generations of full-sib families (FSF) in yellow maize native to Coahuila, Mexico. The study was conducted with 18 accessions of five racial groups (Ratón, Tuxpeño, Tuxpeño Norteño, Cónico Norteño and Celaya), and the agronomic evaluation was conducted in three locations of Southeastern region of Coahuila: Buenavista, Saltillo; Galeana, Nuevo Leon; and General Cepeda. With the eight outstanding FSF for grain color, the content of carotenoid and provitamin A was determined. Selection significantly affected (P &#8804; 0.05) yield (between -0.30 and 0.90 t ha-1), flowering (between -8.9 and 6.5 days) and plant height (between -26.2 and 30.3 cm). The maximum carotenoid concentrations in µg g-1 were: 1.58 lutein (LUT), 2.02 zeaxanthin (ZEAX), 2.28 cryptoxanthin (CRYPT), 0.56 13-cis &#946;-carotene (13&#946;C), 1.45 &#946;-carotene (&#946;CAR), 0.97 9-cis &#946;-carotene (9&#946;C), 4.13 provitamin A (PROA) and 10.19 total carotenoids (TOTAL). Significant differences (P &#8804; 0.05) were observed between families for carotenoid concentrations; the TOTAL was modified in each accession between -0.46 and 1.94 µg g-1, PROA between -0.38 and 0.85 µg g-1 and CRYPT between 0.24 and 0.91 µg g-1. The visual selection of yellow grain color allowed to modify the provitamin A content in native maize; however, this increase was reduced considering human nutritional needs.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Zea mays L.]]></kwd>
<kwd lng="es"><![CDATA[calidad del grano]]></kwd>
<kwd lng="es"><![CDATA[maíz amarillo]]></kwd>
<kwd lng="es"><![CDATA[mejoramiento]]></kwd>
<kwd lng="es"><![CDATA[nutracéutico]]></kwd>
<kwd lng="en"><![CDATA[Zea mays L.]]></kwd>
<kwd lng="en"><![CDATA[breeding]]></kwd>
<kwd lng="en"><![CDATA[kernel quality]]></kwd>
<kwd lng="en"><![CDATA[nutraceutical]]></kwd>
<kwd lng="en"><![CDATA[yellow maize]]></kwd>
</kwd-group>
</article-meta>
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