<?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>0185-3309</journal-id>
<journal-title><![CDATA[Revista mexicana de fitopatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fitopatol]]></abbrev-journal-title>
<issn>0185-3309</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitopatología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-33092016000100001</article-id>
<article-id pub-id-type="doi">10.18781/R.MEX.FIT.1507.8</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización fenotípica de Mycosphaerella fijiensis y su relación con la sensibilidad a fungicidas en Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Phenotypic characterization of Mycosphaerella fijiensis and its relation with sensitivity to fungicides in Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sepúlveda]]></surname>
<given-names><![CDATA[Leonardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Corporación para Investigaciones Biológicas  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2016</year>
</pub-date>
<volume>34</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>21</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-33092016000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-33092016000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-33092016000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El control de Micosphaerella fijiensis, requiere cada vez la aplicación de una mayor cantidad de fungicidas debido a la resistencia que este patógeno ha desarrollado. Se realizó una caracterización fenotípica de aislamientos de M. fijiensis en relación a su sensibilidad a los fungicidas piraclostrobin, epoxiconazol y tridemorf esperando complementar los métodos actuales de monitoreo de resistencia. A partir de tejido foliar sintomático recolectado desde 12 fincas bananeras de Colombia durante los años 2013 y 2014, se obtuvo aislamientos monospóricos a los que se les cuantificó la sensibilidad poblacional e individual. Posteriormente esta sensibilidad se comparó con los rasgos fenotípicos que cada aislamiento expresó. Los resultados indicaron que los rasgos asociados con una mayor sensibilidad a piraclostrobin se expresaron en un mayor número de individuos, además se observó la expresión de estos mismos rasgos como respuesta a epoxiconazol. Para tridemorf se observó un aparente dominio compartido entre individuos con rasgos asociados a baja y alta sensibilidad. Una caracterización fenotípica permitiría conocer si existe un mayor o menor número de individuos tolerantes a un ingrediente activo y poder definir de esta forma el momento adecuado para aplicar este ingrediente activo sin aumentar la presión de selección sobre estos individuos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Controlling Mycosphaerella fijiensis increasingly requires the use of greater amounts of fungicides due to the resistance this pathogen has developed. A phenotypic characterization of M. fijiensis isolates in relation to their sensitivity to fungicides pyraclostrobin, epoxiconazole and tridemorph was carried out, with the intention of complementing existing methods of resistance monitoring. From symptomatic leaf tissue gathered from 12 banana farms in Colombia in 2013 and 2014, monosporic isolates were obtained and their population sensitivity and individual sensitivity were measured. This sensitivity was then compared with phenotypic traits expressed by each isolate. Results indicated that the traits associated with a greater sensitivity to pyraclostrobin were expressed in a greater number of individuals; in addition, the expression of these same features was observed as response to epoxiconazole. For tridemorph, an apparent shared domain was observed among individuals with traits associated to low and high sensitivities. A phenotypic characterization would help find if there are more or fewer individuals tolerant to an active ingredient and to define the time most suitable to apply this active ingredient without increasing the selection pressure on these individuals.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Piraclostrobin]]></kwd>
<kwd lng="es"><![CDATA[Epoxiconazol]]></kwd>
<kwd lng="es"><![CDATA[Tridemorf]]></kwd>
<kwd lng="es"><![CDATA[Presión de selección]]></kwd>
<kwd lng="es"><![CDATA[Eficacia biológica]]></kwd>
<kwd lng="en"><![CDATA[Pyraclostrobin]]></kwd>
<kwd lng="en"><![CDATA[Epoxiconazole]]></kwd>
<kwd lng="en"><![CDATA[Tridemorph]]></kwd>
<kwd lng="en"><![CDATA[Selection pressure]]></kwd>
<kwd lng="en"><![CDATA[Biological fitness]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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