<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342020000801971</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v11i8.2574</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Razas fisiológicas de Puccinia triticina E. identificadas en el norte de Sinaloa y resistencia de germoplasma]]></article-title>
<article-title xml:lang="en"><![CDATA[Physiological races of Puccinia triticina E. identified in the North of Sinaloa and germplasm resistance]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez García]]></surname>
<given-names><![CDATA[María Florencia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García León]]></surname>
<given-names><![CDATA[Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huerta Espino]]></surname>
<given-names><![CDATA[Julio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villaseñor Mir]]></surname>
<given-names><![CDATA[Héctor Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Llaven Valencia]]></surname>
<given-names><![CDATA[Genny]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González González]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Valle de México ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Valle del Fuerte ]]></institution>
<addr-line><![CDATA[Guasave Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>8</numero>
<fpage>1971</fpage>
<lpage>1977</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342020000801971&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342020000801971&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342020000801971&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La roya de la hoja causada por Puccinia triticina E. es la enfermedad más importante en el norte y noroeste de México. En el norte de Sinaloa está ampliamente distribuida en las zonas de producción de trigo del Valle del Fuerte y Valle del Carrizo; sin embargo, se desconoce que razas están incidiendo en dicha región. El objetivo fue identificar las razas fisiológicas de roya de la hoja, que se presentan en las principales zonas productoras del norte de Sinaloa e identificar germoplasma con resistencia. Durante el ciclo de cultivo otoño-invierno 2018-2019, se colectaron 50 muestras de roya de la hoja de lotes experimentales y comerciales, dichas muestras se trasladaron al Lanarec. Con la técnica de monopostulares, se realizó la identificación de razas. Posteriormente con las razas más frecuentes se evaluaron bajo condiciones de invernadero y por su resistencia en plántula y planta adulta 35 genotipos de trigo harinero. Se identificaron siete razas fisiológicas de roya de la hoja (CBJ/QQ, MBT/SP, MCT/SP, MGJ/SP, MBJ/SP, MBJ/QQ, MFJ/SP), de las cuales la CBJ/QQ se identificó con mayor frecuencia (29%). De los 35 genotipos evaluados con las razas CBJ/QQ y MCT/SP, se determinó que CONATRIGO F2015 y las líneas CHEWINK #1/MUTUS//MUTUS*2/HARIL#1 y MUTUS*2//ND643/2*WBLL1/3/BORL14 fueron resistentes en plántula y planta adulta a las dos razas, lo que indica que posee al menos un gen de resistencia efectivo a roya de la hoja. La resistencia genética es una de las alternativas de manejo sustentable más viable para el control de las royas del trigo en México.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Leaf rust caused by Puccinia triticina E. is the most important disease in the North and Northwest of Mexico. In the North of Sinaloa, it is widely distributed in the wheat production areas of Valle del Fuerte and Valle del Carrizo; however, it is unknown which races are influencing that region. The objective was to identify the physiological races of leaf rust, which occur in the main producing areas of Northern Sinaloa, and to identify germplasm with resistance. During the autumn-winter 2018-2019 crop cycle, 50 samples of leaf rust were collected from experimental and commercial lots, these samples were transferred to Lanarec. With the monopostular technique, the identification of races was carried out. Subsequently, with the most frequent races, 35 bread wheat genotypes were evaluated under greenhouse conditions and for their resistance in seedlings and adult plants. Seven physiological races of leaf rust were identified (CBJ/QQ, MBT/SP, MCT/SP, MGJ/SP, MBJ/SP, MBJ/QQ, MFJ/SP), of which CBJ/QQ was identified with higher frequency (29%). Of the 35 genotypes evaluated with the CBJ/QQ and MCT/SP races, it was determined that CONATRIGO F2015 and the lines CHEWINK #1/MUTUS//MUTUS*2/HARIL#1 and MUTUS*2//ND643/2*WBLL1/3/BORL14 were resistant in seedling and adult plant to both races, which indicates that it possesses at least one gene for effective resistance to leaf rust. Genetic resistance is one of the most viable sustainable management alternatives for the control of wheat rusts in Mexico.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[genotipos]]></kwd>
<kwd lng="es"><![CDATA[resistencia]]></kwd>
<kwd lng="es"><![CDATA[virulencia]]></kwd>
<kwd lng="en"><![CDATA[genotypes]]></kwd>
<kwd lng="en"><![CDATA[resistance]]></kwd>
<kwd lng="en"><![CDATA[virulence]]></kwd>
</kwd-group>
</article-meta>
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