<?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>S0185-33092016000300316</article-id>
<article-id pub-id-type="doi">10.18781/r.mex.fit.1604-3</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Histopatología del proceso de infección de Colletotrichum truncatum en hojas de papaya y chícharo]]></article-title>
<article-title xml:lang="en"><![CDATA[Histopathology of the infection process of Colletotrichum truncatum in papaya and pea leaves]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojo-Báez]]></surname>
<given-names><![CDATA[Indira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Estrada]]></surname>
<given-names><![CDATA[Raymundo S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Félix]]></surname>
<given-names><![CDATA[Josefina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sañudo-Barajas]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Allende-Molar]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Investigación en Alimentación y Desarrollo, A. C.  ]]></institution>
<addr-line><![CDATA[Culiacán Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<volume>34</volume>
<numero>3</numero>
<fpage>316</fpage>
<lpage>325</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-33092016000300316&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-33092016000300316&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-33092016000300316&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen. Colletotrichum truncatum es un hongo patógeno causante de antracnosis en diversos hospedantes; se desconoce el proceso de infección de este patógeno en hojas de papaya, así como el comportamiento de una misma cepa de C. truncatum en distintos hospedantes. El objetivo de este estudio fue describir, mediante técnicas histológicas, el proceso de infección de una cepa de C. truncatum en hojas de papaya y chícharo. En los dos hospedantes, la penetración del hongo ocurrió de manera directa por medio de apresorios alrededor de las 20 h después de la inoculación (hdi). En papaya, las hifas crecieron intercelularmente a las 24-60 hdi; la colonización necrotrófica inició a las 60 hdi; hifas intracelulares crecieron en células del mesófilo causando una extensiva degradación celular; en contraste, en chícharo se observaron hifas primarias de infección a partir de las 36 hdi, las hifas secundarias de infección (estado necrótrofo) se observaron a las 72 hdi. En ambos hospedantes, los acérvulos se observaron a las 96 hdi, lo cual se asoció con la producción de lesiones típicas de antracnosis. Colletotrichum truncatum se comportó como patógeno intramural subcuticular en papaya y como hemibiótrofo intracelular en chícharo; por lo que la estrategia de infección es dependiente del hospedante.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract. Colletotrichum truncatum is a pathogenic fungus causing anthracnose in several hosts; the infection process of this pathogen in papaya leaf as well as studies of the same strain of C. truncatum in different hosts is unknown. The aim of this study was to describe the infection process of a Colletotrichum truncatum strain by histological techniques in papaya and pea leaves. In both hosts, direct penetration occurred through appressoria around 20 h after inoculation (hai). In papaya, intercellular hyphae grew at 24-60 hai; the necrotrophic colonization began at 60 hai; intracellular hyphae grew in mesophyll cells causing extensive cellular degradation; in contrast, in pea primary infection hyphae began at 36 hai, secondary infection hyphae (necrotrophic state) began at 72 hai. In both hosts, the acervuli were observed at 96 hai, which was associated with typical anthracnose lesions. C. truncatum behaved as intramural subcuticular pathogen in papaya and as intracellular pathogen in pea; so that, the infection strategy is dependent on the host.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Carica papaya]]></kwd>
<kwd lng="es"><![CDATA[Pisum sativum]]></kwd>
<kwd lng="es"><![CDATA[patógeno intramural]]></kwd>
<kwd lng="es"><![CDATA[patógeno intracelular]]></kwd>
<kwd lng="en"><![CDATA[Carica papaya]]></kwd>
<kwd lng="en"><![CDATA[Pisum sativum]]></kwd>
<kwd lng="en"><![CDATA[intramural pathogen]]></kwd>
<kwd lng="en"><![CDATA[intracellular pathogen]]></kwd>
</kwd-group>
</article-meta>
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