<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282020000200208</article-id>
<article-id pub-id-type="doi">10.19136/era.a7n2.2479</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de Quitomax en el control del mildiú velloso en pepino (Cucumis sativus L.)]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of Quitomax on downy mildew control in the cucumber crop (Cucumis sativus L.)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Henríquez-Díaz]]></surname>
<given-names><![CDATA[Félix Michel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salgado-Valle]]></surname>
<given-names><![CDATA[Yoan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Arrebato]]></surname>
<given-names><![CDATA[Miguel Angel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-Pérez]]></surname>
<given-names><![CDATA[Juan José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Pedroso]]></surname>
<given-names><![CDATA[Aida Tania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Sánchez]]></surname>
<given-names><![CDATA[Michel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Montiel]]></surname>
<given-names><![CDATA[Luis Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Empresa Agroindustrial Cubaquivir Los Palacios  ]]></institution>
<addr-line><![CDATA[Pinar del Río ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Ciencias Agrícolas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Técnica Estatal de Quevedo  ]]></institution>
<addr-line><![CDATA[Quevedo ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro de Investigaciones Biológicas del Noroeste  ]]></institution>
<addr-line><![CDATA[ Baja California Sur]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>7</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282020000200208&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282020000200208&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282020000200208&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen. Se evaluó el efecto del Quitomax ® sobre la incidencia y severidad del mildiú velloso (Pseudoperonospora cubensis Rostw.) en pepino plantado en cultivo protegido. Las plántulas de pepino cv. HA-436, ATAR con 15 días se trasplantaron a una casa de cultivo tipo A12, donde recibieron las atenciones fitotécnicas. Se aplicaron como tratamientos, tres dosis de Quitomax ® (300, 500 y 1000 mg ha -1), en dos momentos, 15 y 40 días después del trasplante (DDT), y el fungicida Verita ® ; distribuidos en un diseño experimental completamente aleatorizado con cuatro réplicas. Se evaluó la incidencia y severidad del mildiú a los 30, 40, 50 y 60 DDT, el rendimiento y calidad de frutos. Se encontró que 1000 mg ha -1 de Quitomax ® aplicado a los 15 y 40 días tuvo menor incidencia y severidad de la enfermedad que el tratamiento fungicida, así como mayor rendimiento con 90.5 t ha -1 y mayor cantidad de frutos de primera calidad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract. The effect of Quitomax ® on the incidence and severity of downy mildew (Pseudoperonospora cubensis Rostw.) in cucumber planted on protected crop was evaluated. Cucumber seedlings cv. HA-436, ATAR with 15 days were transplanted to a greenhouse type A12, where they received the phytotechnical work. Three doses of Quitomax ® (300, 500 and 1000 mg ha -1) were applied as treatments, at two moments, 15 and 40 days after transplantation (DDT), as well as the Verita® fungicide, all treatments distributed in a completely randomized experimental design. with four replicas. The incidence and severity of mildew at 30, 40, 50 and 60 DDT, the yield and quality of fruits were evaluated. It was found that 1000 mg ha -1 of Quitomax ® applied at 15 and 40 days provoked a lower incidence and severity of the disease than the fungicide treatment, as well as a higher yield with 90.5 t ha -1 and a greater quantity of first quality fruits.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Enfermedad]]></kwd>
<kwd lng="es"><![CDATA[hortaliza]]></kwd>
<kwd lng="es"><![CDATA[incidencia]]></kwd>
<kwd lng="es"><![CDATA[quitosano]]></kwd>
<kwd lng="es"><![CDATA[severidad]]></kwd>
<kwd lng="en"><![CDATA[Disease]]></kwd>
<kwd lng="en"><![CDATA[vegetable]]></kwd>
<kwd lng="en"><![CDATA[incidence]]></kwd>
<kwd lng="en"><![CDATA[chitosan]]></kwd>
<kwd lng="en"><![CDATA[severity]]></kwd>
</kwd-group>
</article-meta>
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