<?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>2529-850X</journal-id>
<journal-title><![CDATA[Journal of Negative and No Positive Results]]></journal-title>
<abbrev-journal-title><![CDATA[JONNPR]]></abbrev-journal-title>
<issn>2529-850X</issn>
<publisher>
<publisher-name><![CDATA[Research and Science S.L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2529-850X2020000900933</article-id>
<article-id pub-id-type="doi">10.19230/jonnpr.3419</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Biopreparados para el control de enfermedades foliares de fresa, Pamplona, Colombia, aun una solución parcial]]></article-title>
<article-title xml:lang="en"><![CDATA[Biopreparations for the control of strawberry leaf diseases, Pamplona, Colombia, even a partial solution]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castellanos]]></surname>
<given-names><![CDATA[Leónides]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Baldovino]]></surname>
<given-names><![CDATA[Alex]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Céspedes]]></surname>
<given-names><![CDATA[Nestor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[Xiomara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Pamplona Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[Pamplona Norte de Santander]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Pamplona Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[Pamplona Norte de Santander]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Granja Agrobiológica Sol Vida  ]]></institution>
<addr-line><![CDATA[Pamplona Norte de Santander]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Pamplona Facultad de Ciencias Básicas ]]></institution>
<addr-line><![CDATA[Pamplona Norte de Santander]]></addr-line>
<country>Colombia</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>5</volume>
<numero>9</numero>
<fpage>933</fpage>
<lpage>951</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S2529-850X2020000900933&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S2529-850X2020000900933&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S2529-850X2020000900933&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo. El trabajo tuvo como objetivo determinar la eficacia de seis biopreparados locales para el control de las enfermedades foliares del cultivo de la fresa.  Materiales y métodos. Se condujo un experimento en la finca Camacho del municipio de Pamplona Norte de Santander, Colombia. Se utilizó un diseño de bloques al azar con nueve tratamientos, seis biopreparados locales, tres testigos (una saneado, uno sin sanear y un químico).  Resultados. Se identificaron como enfermedades foliares más importantes de la fresa a Ramularia tulasnei, Colletotrichum sp., Botrytis cinerea y Xanthomonas fragariae. Los biopreparados Caldo rizósfera y Microorganismos Eficientes (ME) resultaros superiores al tratamiento químico con mancozeb para la mancha por Ramularia. Los bioproductos Caldo Rizósfera y ME mostraron resultados similares que el control químico contra., la pudrición por Botrytis, la mancha por Xanthomonas, y la antracnosis en hojas, flores y frutos, pero los niveles de incidencia de esta enfermedad estuvieron entre 46 y 55 % en flores y entre 56 y 63 % en frutos.  Conclusiones. Los biopreparados Caldo Rizósfera y ME resultaros superiores al tratamiento químico con Dithane para mantener a la mancha por Ramularia en niveles de severidad aceptables, al igual que a la mancha bacteriana y la pudrición por Botrytis y resultaron similares que el control químico contra la antracnosis en hojas, flores y frutos, sin embargo, los niveles de incidencia en flores y frutos de la antracnosis no son los deseados, amenazando la rentabilidad del agricultor.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objetive. The work aimed to determine the efficacy of six local biopreparations for the control of leaf diseases of strawberry cultivation.  Materials and Methods. An experiment was conducted at the Camacho farm in the municipality of Pamplona Norte de Santander, Colombia. A randomized block design was used with nine treatments, six local biopreparations, three controls (one sanitized, one unsanitary and one chemical).  Results. The most important foliar diseases of the strawberry were Ramularia tulasnei, Colletotrichum sp., Botrytis cinerea and Xanthomonas fragariae. The biopreparations Rhizosphere Broth and Efficient Microorganisms (ME) are superior to the chemical treatment with mancozeb for the spot by Ramularia. The bio-products Rhizphere Broth and ME showed similar results that the chemical control against Botrytis rot, Xanthomonas spot, and anthracnose on leaves, flowers and fruits, but the incidence levels of this disease were between 46 and 55% in flowers and between 56 and 63% in fruits.  Conclusions. The biopreparations Rhizphere Broth and ME were superior to the chemical treatment with Dithane to maintain the spot by Ramularia at acceptable levels of severity, as well as the bacterial spot and Botrytis rot, and although they were similar to the chemical control against anthracnose in leaves, flowers and fruits, however, the levels of incidence anthracnose in flowers and fruits are not desired, threatening the profitability of the farmer.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Fragaria × ananassa]]></kwd>
<kwd lng="es"><![CDATA[biopreparados]]></kwd>
<kwd lng="es"><![CDATA[control alternativo]]></kwd>
<kwd lng="en"><![CDATA[Fragaria × ananassa]]></kwd>
<kwd lng="en"><![CDATA[biopreparations]]></kwd>
<kwd lng="en"><![CDATA[alternative control]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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