<?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>1405-3195</journal-id>
<journal-title><![CDATA[Agrociencia]]></journal-title>
<abbrev-journal-title><![CDATA[Agrociencia]]></abbrev-journal-title>
<issn>1405-3195</issn>
<publisher>
<publisher-name><![CDATA[Colegio de Postgraduados]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-31952016000600693</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Forage production stability of elephant grass (Pennisetum purpureum) Genotypes in campos dos Goytacazes, RJ, Brazil]]></article-title>
<article-title xml:lang="es"><![CDATA[Estabilidad de la producción de forraje de genotipos de pasto elefante (Pennisetum purpureum) en campos dos Goytacazes, RJ, Brasil]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[Larissa S. A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Daher]]></surname>
<given-names><![CDATA[Rogério F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gravina]]></surname>
<given-names><![CDATA[Geraldo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Machado]]></surname>
<given-names><![CDATA[Juarez C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Menezes]]></surname>
<given-names><![CDATA[Bruna R. S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[Liliane B.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Verônica B.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[Erina V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Estadual do Norte Fluminense Darcy Ribeiro  ]]></institution>
<addr-line><![CDATA[Campos dos Goytacazes RJ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Embrapa Gado de Leite  ]]></institution>
<addr-line><![CDATA[Juiz de Fora MG]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade Federal Rural do Rio de Janeiro  ]]></institution>
<addr-line><![CDATA[Seropédica RJ]]></addr-line>
<country>Brazil</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>50</volume>
<numero>6</numero>
<fpage>693</fpage>
<lpage>700</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-31952016000600693&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-31952016000600693&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-31952016000600693&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The elephant grass (Pennisetum purpureum) is a tropical perennial forage plant with high biomass production that adapts to various soil and climatic conditions in Brazil. Stability is defined as the consistency in performance of genotypes in different environments. The aim of the present study was to estimate stability parameters by the Eberhart and Russel method, and to select elephant grass genotypes with forage production stability and high-yield in Campos dos Goytacazes, RJ, Brazil. Five harvests were made for evaluation in two years. The experimental design was arranged as randomized blocks design, with 80 treatments and two replicates. After the individual analysis of variance for dry matter yield, a combined split-plot analysis was performed. Mean values from each harvest as well as overall means of the genotypes in the five harvests were grouped using the Scott-Knott test (p&#8804;0.05). To obtain the estimates of stability over time, the method of Eberhart and Russell was used, considering the genotypes and successive harvests as environments. Genotypes Pasto Panamá, IJ 7136 cv. EMPASC 307, CAC-262, 02 AD IRI, 08 AD IRI, and Gigante de Pinda showed high forage production and phenotypic stability over the five harvests.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El pasto elefante (Pennisetum purpureum) es una planta forrajera perenne tropical con producción alta de biomasa que se adapta a diferentes condiciones edafoclimáticas en Brasil. La estabilidad se define como la consistencia en el rendimiento de los genotipos en ambientes diferentes. El objetivo del presente estudio fue estimar parámetros de estabilidad por el método de Eberhart y Russell, y seleccionar genotipos de pasto elefante con la estabilidad de la producción de forraje y de rendimiento alto en Campos dos Goytacazes, RJ, Brasil. Cinco cosechas se realizaron en dos años de evaluación. El diseño experimental fue de bloques al azar, con 80 tratamientos y dos repeticiones. Después del análisis individual de la varianza del rendimiento de materia seca, se aplicó análisis de parcelas divididas. Los valores medios de cada cosecha y las medias de rendimento de los genotipos en cinco cosechas se agruparon con la prueba de Scott-Knott (p&#8804;0.05). Para obtener las estimaciones de la estabilidad en el tiempo se usó el método de Eberhart y Russell y los genotipos y cosechas sucesivas se consideraron como ambientes. Los genotipos Pasto Panamá, IJ 7136 cv. EMPASC 307, CAC-262, 02 AD IRI, 08 AD IRI y Gigante de Pinda mostraron producción alta de forraje y estabilidad fenotípica en las cinco cosechas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Genotype × environment interaction]]></kwd>
<kwd lng="en"><![CDATA[Pennisetum purpureum]]></kwd>
<kwd lng="en"><![CDATA[dry matter yield]]></kwd>
<kwd lng="en"><![CDATA[high-yield genotypes]]></kwd>
<kwd lng="es"><![CDATA[Interacción genotipo × ambiente]]></kwd>
<kwd lng="es"><![CDATA[Pennisetum purpureum]]></kwd>
<kwd lng="es"><![CDATA[producción de materia seca]]></kwd>
<kwd lng="es"><![CDATA[genotipos de producción alta]]></kwd>
</kwd-group>
</article-meta>
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