<?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>S2007-09342020000501197</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v11i5.1044</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Quinba R-TC: nueva variedad de jamaica tipo criolla de alto rendimiento]]></article-title>
<article-title xml:lang="en"><![CDATA[Quinba R-TC: new variety of Jamaica creole type of high yield]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ariza Flores]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gálvez Marroquín]]></surname>
<given-names><![CDATA[Luis Antonio]]></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 Valles Centrales de Oaxaca ]]></institution>
<addr-line><![CDATA[Villa de Etla Oaxaca]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>5</numero>
<fpage>1197</fpage>
<lpage>1202</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342020000501197&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342020000501197&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342020000501197&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los cultivadores de jamaica siembran genotipos criollos que se cosechan en el mes de diciembre con rendimientos bajos que promedian de 250 a 300 kg ha-1 en asociación con maíz y de 500 a 600 kg ha-1 en unicultivo. Con el propósito de ampliar la oferta de genotipos, aumentar los rendimientos y disminuir las importaciones se ofrece la variedad mejorada Quinba R-TC que conserva el color, sabor y fecha de floración de la criolla regional y se mejoró el tamaño del cáliz, por lo que es una opción para incrementar los rendimientos y la rentabilidad de este cultivo en casi 20 mil hectáreas que se siembran a nivel nacional. Quinba R-TC, es producto de la cruza entre plantas de jamaica tipo Sudán (JTS) colectadas y seleccionadas en 2008 de un lote establecido en la zona jamaiquera del Estado de Guerrero y plantas provenientes de la variedad Tecoanapa conocida como criolla regional (CR). Con la F2 se inició la selección individual purificando en cada ciclo. La línea purificada se obtuvo en F7 y en 2013 se inició su evaluación y caracterización. Los descriptores básicos de selección fueron: uniformidad de la planta, tamaño y color rojo intenso del cáliz y rendimiento, el resultado fue una planta con siete días más precoz, los de cálices de color similar a la criolla regional y con 70% más grandes y de mínima pubescencia. Los rendimientos promedio fueron 80% mayores a la variedad de referencia; por lo tanto, es possible aumentar la producción de 4 500 a 8 000 t año-1.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Jamaican growers sow creole genotypes that are harvested in December with low yields averaging 250 to 300 kg ha-1 in association with corn and 500 to 600 kg ha-1 in a single crop. With the purpose of expanding the supply of genotypes, increasing yields and reducing imports, the improved Quinba R-TC variety is offered, which preserves the color, flavor and flowering date of the regional creole and the size of the calyx was improved, therefore it is an option to increase the yields and profitability of this crop in almost 20 thousand hectares that are planted nationwide. Quinba R-TC, is the product of the cross between plants of Jamaica type Sudan (JTS) collected and selected in 2008 from a lot established in the jamaica producing area of the State of Guerrero and plants from the Tecoanapa variety known as regional creole (CR). With F2, individual selection was started, purifying in each cycle. The purified line was obtained in F7 and in 2013 its evaluation and characterization began. The basic selection descriptors were: uniformity of the plant, size and intense red color of the calyx and yield, the result was a plant with seven days earlier, those with calyxes similar in color to the regional creole and with 70% larger and of minimal pubescence. The average yields were 80% higher than the reference variety; therefore, it is possible to increase production from 4 500 to 8 000 t year-1.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hibiscus sabdariffa L.]]></kwd>
<kwd lng="es"><![CDATA[genotipo mejorado]]></kwd>
<kwd lng="es"><![CDATA[tamaño de cáliz.]]></kwd>
<kwd lng="en"><![CDATA[Hibiscus sabdariffa L.]]></kwd>
<kwd lng="en"><![CDATA[calyx size]]></kwd>
<kwd lng="en"><![CDATA[improved genotype.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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