<?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>0379-3982</journal-id>
<journal-title><![CDATA[Revista Tecnología en Marcha]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnología en Marcha]]></abbrev-journal-title>
<issn>0379-3982</issn>
<publisher>
<publisher-name><![CDATA[Instituto Tecnológico de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0379-39822020000200091</article-id>
<article-id pub-id-type="doi">10.18845/tm.v33i2.4339</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estimación de Heterosis y Heterobeltiosis en Híbridos Interpoblacionales de Tomate de Cáscara (Physalis Ixocarpa Brot.)]]></article-title>
<article-title xml:lang="en"><![CDATA[Estimation of Heterosis and Heterobeltiosis in Interpoblational Hybrids of Husk Tomato (Physalis ixocarpa Brot.)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camposeco-Montejo]]></surname>
<given-names><![CDATA[Neymar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Robledo-Torres]]></surname>
<given-names><![CDATA[Valentín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Naveda]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro  ]]></institution>
<addr-line><![CDATA[Saltillo, Coahuila ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro  ]]></institution>
<addr-line><![CDATA[Saltillo, Coahuila ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro  ]]></institution>
<addr-line><![CDATA[Saltillo, Coahuila ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>33</volume>
<numero>2</numero>
<fpage>91</fpage>
<lpage>101</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0379-39822020000200091&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0379-39822020000200091&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0379-39822020000200091&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de la investigación fue evaluar los progenitores y sus cruzas, y estimar la heterosis y la heterobeltiosis en híbridos de tomate de cáscara (Physalis ixocarpa Brot). Los progenitores fueron UAN CC-S2 (1), un genotipo de Physalis angulata (2), UAN CP-S2 (3), Gran Esmeralda (4), UAN CJ-S2 (5), Rendidora (6) y UAN 133-05 (7). Los cruzamientos planta a planta fueron en invernadero, en otoño-invierno de 2012; la evaluación de cruzas y progenitores se realizó en el municipio de General Cepeda, Coahuila, México, en primavera-verano de 2013, bajo un diseño de bloques al azar con tres repeticiones. En cuanto a rendimiento, la cruza más rendidora fue 3*4, con rendimientos de 47.19 t.ha-1, heterosis de 35.93% y heterobeltiosis de 20.85%; sin embargo, la cruza 1*6 presentó valores mayores de heterosis y heterobeltiosis, 117.91 y 117.62% respectivamente. Para número de frutos por planta, la cruza 7*3 mostró los valores de heterosis y heterobeltiosis mayores, 109.19 y 89.96% respectivamente. En cuanto a peso promedio del fruto, diámetro ecuatorial del fruto y diámetro polar del fruto, la mejor cruza fue la 3*4, que presentó heterosis de 41.17, 11.40 y 12.56% y heterobeltiosis de 37.99, 9.26 y 12.03% respectivamente, si bien la cruza 1*5 mostró valores de 115.91% de heterosis y 107.83% de heterobeltiosis en peso promedio del fruto. Entre las poblaciones estudiadas existe divergencia genética, puesto que presentaron altos valores de heterosis; además, los efectos maternos influyeron de forma significativa en las variables en estudio, indicando la mejor dirección de la cruza.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of the investigation was to evaluate progenitors and their crosses, and to estimate heterosis and heterobeltiosis in hybrid of husk tomato (Physalis ixocarpa Brot). The progenitors were UAN CC-S2 (1), a genotype of Physalis angulata (2), UAN CP-S2 (3), Gran Esmeralda (4), UAN CJ-S2 (5), Rendidora (6), and UAN 133- 05 (7). The crosses, plant to plant, were done under greenhouse conditions in autumn-winter of 2012; the evaluation of the crosses and the parents were done in the municipality of General Cepeda, Coahuila, Mexico, in the springsummer of 2013, under a randomized block design with three repetitions. In yield, the best cross was 3*4, with yields of 47.19 t.ha-1, heterosis of 35.93%, and heterobeltiosis of 20.85%; however the 1*6 cross presented the highest values of heterosis and heterobeltiosis, 117.91 and 117.62% respectively; in number of fruits per plant, crosses 7*3 showed the highest values of heterosis and heterobeltiosis, 109.19 and 89.96% respectively; in terms of average fruit weight, equatorial diameter of fruit, and polar diameter of fruit, the best cross was the 3*4, that presented heterosis of 41.17, 11.40, and 12.56%, and heterobeltiosis of 37.99, 9.26, and 12.03%, respectively, although cross 1*5 values of heterosis and heterobeltiosis in average weight were 115.91 and 107.83% respectively. Among the populations studied there is genetic divergence, since they presented high values of heterosis; in addition, the maternal effects significantly influenced the variables under study, indicating the best direction of the cross.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Physalis ixocarpa Brot.]]></kwd>
<kwd lng="es"><![CDATA[mejoramiento genético]]></kwd>
<kwd lng="es"><![CDATA[efectos genéticos]]></kwd>
<kwd lng="es"><![CDATA[cruzamientos]]></kwd>
<kwd lng="es"><![CDATA[hibridación interpoblacional]]></kwd>
<kwd lng="en"><![CDATA[Physalis ixocarpa Brot.]]></kwd>
<kwd lng="en"><![CDATA[genetic improvement]]></kwd>
<kwd lng="en"><![CDATA[genetic effects]]></kwd>
<kwd lng="en"><![CDATA[crosses]]></kwd>
<kwd lng="en"><![CDATA[interpopulation hybridation]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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