<?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>0187-3180</journal-id>
<journal-title><![CDATA[Revista mexicana de micología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Mic]]></abbrev-journal-title>
<issn>0187-3180</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Micología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-31802017000200047</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Necrosis foliar; nuevo síntoma asociado a la pudrición de la raíz de chile (Capsicum annuum) en Durango y Zacatecas, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Foliar necrosis; new symptom associated to root rot of pepper (Capsicum annuum) in Durango and Zacatecas, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velásquez-Valle]]></surname>
<given-names><![CDATA[Rodolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reveles-Torres]]></surname>
<given-names><![CDATA[Luis Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,INIFAP  ]]></institution>
<addr-line><![CDATA[ Zacatecas]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<volume>46</volume>
<fpage>47</fpage>
<lpage>53</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-31802017000200047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-31802017000200047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-31802017000200047&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: Uno de los principales cultivos hortícolas en Durango y Zacatecas, México es el chile (Capsicum annuum); el cual es afectado por enfermedades foliares y del suelo. Desde la temporada de cultivo 2016 un nuevo síntoma, necrosis foliar fue observado afectando plantas de chile en ambos Estados.  Objetivos: Identificar los patógenos asociados con esta nueva sintomatología en plantas de chile de Durango y Zacatecas, México.  Métodos: Plantas enfermas de chile que mostraban síntomas de necrosis foliar fueron colectadas en parcelas comerciales en Durango y Zacatecas, México. Los síntomas aéreos y radiculares que mostraba cada planta fueron registrados. La raíz y raicillas de las plantas muestreadas se sembró en PDA y se identificaron las colonias fungosas.  Resultados y conclusiones: La principal característica de esta sintomatología fue la presencia de una necrosis foliar. Un grupo de cinco patógenos (Phytophthora spp., Pythium spp., Fusarium spp., Rhizoctonia spp. y Verticillium spp.) habitantes del suelo fue identificado en el sistema radicular de las plantas de chile. La frecuencia de aislamiento fue mayor para Rhizoctonia spp., Fusarium spp. y Verticillium spp. que para Phytophthora spp. y Pythium spp.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary  Background: One of the toppest horticultural crops in the Mexican states of Durango and Zacatecas is pepper (Capsicum annuum), which is affected by foliar and soilborne diseases. Since the 2016 crop season a new symptom, foliar necrosis, was observed affecting pepper plants in both states.  Objectives: Identify the pathogens associated to this new symptomatology in pepper plants from Durango and Zacatecas, México.  Methods: Diseased pepper plants showing foliar necrosis were collected in commercial fields from Durango and Zacatecas, Mexico. Aerial and root symptoms shown in every plant were recorded; root and rootlets from every sampled plant were PDA-plated and fungi colonies were identified.  Results and conclusions: The main characteristic of this symptomatology was the presence of a foliar necrosis. A group of five soilborne pathogens (Phytophthora spp., Pythium spp., Fusarium spp., Rhizoctonia spp. y Verticillium spp.) was identified in the root system of pepper plants. The isolation frecuency was higher for Rhizoctonia spp., Fusarium spp., and Verticillium spp. than Phytophthora spp., and Pythium spp.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[necrosis foliar]]></kwd>
<kwd lng="es"><![CDATA[Phytophthora spp.]]></kwd>
<kwd lng="es"><![CDATA[Pythium spp.]]></kwd>
<kwd lng="es"><![CDATA[Fusarium spp.]]></kwd>
<kwd lng="es"><![CDATA[Rhizoctonia spp.]]></kwd>
<kwd lng="es"><![CDATA[Verticillium spp]]></kwd>
<kwd lng="en"><![CDATA[Foliar necrosis]]></kwd>
<kwd lng="en"><![CDATA[Phytophthora spp.]]></kwd>
<kwd lng="en"><![CDATA[Pythium spp.]]></kwd>
<kwd lng="en"><![CDATA[Fusarium spp.]]></kwd>
<kwd lng="en"><![CDATA[Rhizoctonia spp.]]></kwd>
<kwd lng="en"><![CDATA[Verticillium spp]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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