<?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>S0187-73802018000100081</article-id>
<article-id pub-id-type="doi">10.35196/rfm.2018.1.81-85</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[CARACTERIZACIÓN FENOTÍPICA Y GENOTÍPICA DE Xanthomonas fragariae, AGENTE CAUSAL DE LA MANCHA ANGULAR DE LA FRESA EN MÉXICO]]></article-title>
<article-title xml:lang="en"><![CDATA[PHENOTYPIC AND GENOTYPIC CHARACTERIZATION OF Xanthomonas fragariae, CAUSAL AGENT OF THE ANGULAR LEAF SPOT ON STRAWBERRY IN MEXICO]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saavedra-Romero]]></surname>
<given-names><![CDATA[Luz de L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aranda-Ocampo]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ochoa-Martínez]]></surname>
<given-names><![CDATA[Daniel L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lira-Vargas]]></surname>
<given-names><![CDATA[Alma A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados Postgrado de Fitosanidad-Fitopatología ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<volume>41</volume>
<numero>1</numero>
<fpage>81</fpage>
<lpage>85</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802018000100081&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802018000100081&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802018000100081&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Xanthomonas fragariae es el agente causal de la mancha angular de la hoja en el cultivo de fresa (Fragaria × ananassa Duch) en México. El objetivo de este estudio fue caracterizar e identificar las bacterias aisladas basadas en la caracterización fisiológica, bioquímica, morfológica y en pruebas de patogenicidad y genética por PCR. Se aislaron colonias de bacterias con morfología similar a la descrita para X. fragariae a partir de tejido foliar de diferentes genotipos de fresa en Cd. Guzmán, Jalisco, México con síntomas de manchas angulares acuosas en el área adaxial, exudado en nervaduras primarias y secundarias y manchas necróticas. Los resultados de la caracterización de los aislamientos bacterianos los identificaron como X. fragariae, lo cual fue confirmado por el análisis genético con la amplificación del gen hrp y la amplificación y secuenciación del gen 16S rADN. La inoculación de la cepa X. fragariae-22 produjo lesiones angulares y necrosis adyacentes a la nervadura de las hojas en plantas susceptibles de fresa var. Jacona.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[SUMMARY Xanthomonas fragariae is the causal agent of angular leaf spot in strawberry (Fragaria × ananassa Duch) in Mexico. The aim of this study was to characterize and identify isolated bacteria based on physiological, biochemical, morphological traits, as well as pathogenicity and genetic tests by PCR. Colonies of bacteria with similar morphology to that described for X. fragariae were isolated from leaf tissue of different strawberry genotypes in Cd. Guzmán, Jalisco, Mexico with symptoms of aqueous angular spots on the adaxial area of leaves, exudate in primary and secondary veins and necrotic spots. The results of the characterization of bacterial isolates identified them as X. fragariae, which was confirmed by genetic analysis through the amplification of the hrp gene, as well as the amplification and sequencing of the 16S rDNA gene. Inoculation of the X. fragariae-22 strain produced angular lesions and necrosis adjacent to the leaf vein on susceptible strawberry plants cv. Jacona.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Fragaria × ananassa Duch]]></kwd>
<kwd lng="es"><![CDATA[gen hrp]]></kwd>
<kwd lng="es"><![CDATA[16S rADN gen]]></kwd>
<kwd lng="es"><![CDATA[mancha angular de la hoja]]></kwd>
<kwd lng="en"><![CDATA[Fragaria × ananassa Duch]]></kwd>
<kwd lng="en"><![CDATA[gene hrp]]></kwd>
<kwd lng="en"><![CDATA[gene 16S rDNA]]></kwd>
<kwd lng="en"><![CDATA[angular leaf spot]]></kwd>
</kwd-group>
</article-meta>
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