<?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>0253-5785</journal-id>
<journal-title><![CDATA[Centro Agrícola]]></journal-title>
<abbrev-journal-title><![CDATA[Ctro. Agr.]]></abbrev-journal-title>
<issn>0253-5785</issn>
<publisher>
<publisher-name><![CDATA[Editorial Feijóo, Universidad Central de Las Villas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0253-57852018000300066</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Selección de genotipos de caña de azúcar en áreas con estrés ambiental]]></article-title>
<article-title xml:lang="en"><![CDATA[Selection of sugar cane genotypes in areas with environmental stress]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jorge Suárez]]></surname>
<given-names><![CDATA[Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Menéndez Sierra]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Atencio Valdespino]]></surname>
<given-names><![CDATA[Randy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delgado Mora]]></surname>
<given-names><![CDATA[Irenaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Compañía Azucarera La Estrella S.A  ]]></institution>
<addr-line><![CDATA[Aguadulce ]]></addr-line>
<country>Rep. Panamá</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,ETICA Centro Villa Clara  ]]></institution>
<addr-line><![CDATA[Ranchuelo Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<volume>45</volume>
<numero>3</numero>
<fpage>66</fpage>
<lpage>72</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0253-57852018000300066&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0253-57852018000300066&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0253-57852018000300066&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se presentan los resultados en áreas con estrés ambiental (Capellanía y La Palmita) en el Ingenio Ofelina, de la República de Panamá, cuyos factores limitantes son la sequía agrícola y el mal drenaje respectivamente. Para eso fueron estudiados 34 genotipos, 24 en la Localidad 1 y 29 en la 2, coincidiendo 18 en ambos sitios. Los ensayos se evaluaron en la cepa de primer retoño, las variables de cosecha estudiadas fueron: t caña ha-1, porcentaje de pol en caña y t pol ha-1. El análisis de componentes principales explicó el 85,50 % de la variación total y permitió caracterizar las localidades. Los genotipos de mejor comportamiento en la localidad 1 fueron B0072, CT-14, E07-11, CT-41 y E07-14, mientras que en la localidad 2 se destacaron los genotipos CP89-2143, CT-14 y E07-11, coincidiendo en ambos sitios E07-11 y CT-14. La mayor contribución a la varianza fenotípica total correspondió a los efectos ambientales para el porcentaje de pol en caña (83,15 %) y las t pol ha-1 (47,62 %) mientras que para las t caña ha-1 fue la interacción genotipo ambiente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The results are presented in areas with environmental stress (Capellanía and La Palmita) in the Ingenio Ofelina of Panama, whose limiting factors are drought and bad drainage respectively. 34 genotypes were studied, 24 in Locality one and 29 in the two, coinciding 18 in both sites. The trials were evaluated in the first shoot strain, the harvest variables studied were, t ha-1 cane, percentage of pol in cane and t pol ha-1. As a result, the analysis of main components explained 85.50 % of the total variation and allowed to characterize the localities. The cultivars with the best performance in Locality one were B0072, CT-14, E07-11, CT-41 and E07-14, while the cultivars CP89-2143, CT-14 and E07-11 stood out in the 2, coinciding in both sites E07-11 and CT-14. The highest contribution to the total phenotypic variance corresponded to the environmental effects for the percentage of pol in cane (83.15 %) and t pol ha-1 (47.62 %) while for the cane ha-1 it was the interaction genotype environment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[cultivares]]></kwd>
<kwd lng="es"><![CDATA[factores limitantes]]></kwd>
<kwd lng="es"><![CDATA[mal drenaje]]></kwd>
<kwd lng="es"><![CDATA[Saccharum officinarum]]></kwd>
<kwd lng="es"><![CDATA[sequía]]></kwd>
<kwd lng="en"><![CDATA[cultivars]]></kwd>
<kwd lng="en"><![CDATA[limiting factors]]></kwd>
<kwd lng="en"><![CDATA[bad drainage]]></kwd>
<kwd lng="en"><![CDATA[Saccharum officinarum]]></kwd>
<kwd lng="en"><![CDATA[genotypes]]></kwd>
<kwd lng="en"><![CDATA[drought]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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