Publicación:
Estimación del área foliar con parámetros biométricos de las hojas de cuatro genotipos de stevia (Stevia rebaudiana (Bertoni) Bertoni) en el Sinú Medio

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dc.contributor.authorHernández Fernández, Israel Antoniospa
dc.coverage.spatialMontería, Córdobaspa
dc.date.accessioned2020-06-04T17:18:39Zspa
dc.date.available2020-06-04T17:18:39Zspa
dc.date.issued2020-05spa
dc.description.abstractSe estimó el área foliar con parámetros biométricos de las hojas de cuatro genotipos de Stevia (Stevia rebaudiana (Bertoni) Bertoni) en el Sinú medio, utilizando medidas morfométricas para expresar modelos matemáticos potenciales, lineales con intercepto y modificado, en función del largo (L), ancho (W) y/o el producto de ambas (LW). El experimento fue establecido entre noviembre de 2018 y abril de 2019 en el área experimental de la Facultad de Ciencias Agricolas de la Universidad de Córdoba, Colombia ubicado en las coordenadas geográficas 8° 47’ 31,5” de latitud norte y 75° 51’ 36,2” de longitud oeste. Se realizó un muestreo aleatorio simple de 1.500 hojas seleccionadas de 30 plantas por cada genotipo. Para la construcción de los modelos se utilizaron 1.000 hojas por cada genotipo generando en total 36 ecuaciones en función de L, W y LW; las 500 hojas restantes se utilizaron para comprobar la precisión de los modelos particulares. Adicionalmente, se generó un modelo general combinado utilizando 4.000 hojas que incluye a todos los genotipos y fue comparado estadisticamente con los modelos particulares de mejor ajuste. Los criterios estadísticos utilizados indicaron que los mejores modelos para todos los genotipos fueron el potencial y lineal con intercepto en función de W y LW, respectivamente; sin embargo, el modelo lineal presentó mayor estabilidad y precisión de los coeficientes estimados, por lo que se sugiriere utilizar este modelo para estimar el área foliar en su respectivo genotipo. Las ecuaciones para cada genotipo fueron: Y = 0,2629 + 0,6589 LW + εi, Y = 0,1607 + 0,6714 LW + εi, Y = 0,2957 + 0,5918 LW + εi y Y = 0,6245 + 0,5871 LW + εi para los genotipos C04, C16, C18 y MII, respectivamente. Sin embargo, los análisis de varianza demostraron que los coeficientes estimados del modelo general y particular difieren estadísticamente por lo que no fue posible agrupar los cuatro genotipos de Stevia.spa
dc.description.degreelevelPregradospa
dc.description.degreenameIngeniero(a) Agronómico(a)spa
dc.description.tableofcontentsINTRODUCCIÓN .................................................................................................. 16spa
dc.description.tableofcontents1. DEFINICIÓN DEL PROBLEMA .................................................................. 17spa
dc.description.tableofcontents2. JUSTIFICACIÓN ........................................................................................ 19spa
dc.description.tableofcontents3. REVISIÓN DE LITERATURA ..................................................................... 20spa
dc.description.tableofcontents3.1 CONDICIONES AGROECOLÓGICAS DE LA STEVIA .................................20spa
dc.description.tableofcontents3.2 IMPORTANCIA Y BENEFICIOS DE LA STEVIA ....................................20spa
dc.description.tableofcontents3.3 ESTADISTICAS DE ÁREA Y PRODUCCIÓN DE STEVIA ......................................22spa
dc.description.tableofcontents3.4 EL ÁREA FOLIAR Y SU APLICACIÓN .......................................................................................24spa
dc.description.tableofcontents3.4.1 La hoja de las plantas. ..........................................................................................24spa
dc.description.tableofcontents3.4.2 El área foliar. ................................................25spa
dc.description.tableofcontents3.4.3 Análisis de crecimiento. ...........................................................................................25spa
dc.description.tableofcontents3.5 MÉTODOS UTILIZADOS PARA DETERMINAR EL ÁREA FOLIAR ......... 25spa
dc.description.tableofcontents3.5.1 Métodos directos. ............................................................................................26spa
dc.description.tableofcontents3.5.2 Métodos indirectos. .............................................................................................27spa
dc.description.tableofcontents3.5.3 Métodos de estimación. ...........................................................................................28spa
dc.description.tableofcontents3.5.4 Métodos comparativos. ...........................................................................................29spa
dc.description.tableofcontents3.5.5 Métodos basados en el análisis de imágenes. ..........................................................................................30spa
dc.description.tableofcontents3.6 ANTECEDENTES DE LA INVESTIGACIÓN .........................................................................................31spa
dc.description.tableofcontents3.6.1 Modelos para estimar área foliar en diferentes cultivos. ........................................................................................32spa
dc.description.tableofcontents4. OBJETIVOS .......................................................39spa
dc.description.tableofcontents4.1 OBJETIVO GENERAL .........................................................................................39spa
dc.description.tableofcontents4.2 OBJETIVOS ESPECIFICOS.....................39spa
dc.description.tableofcontents5. HIPÓTESIS ...........................................................40spa
dc.description.tableofcontents6. METODOLOGÍA ...................................................41spa
dc.description.tableofcontents6.1 LOCALIZACIÓN ...................................................41spa
dc.description.tableofcontents6.2 MATERIAL EXPERIMENTAL ..................................................................................................41spa
dc.description.tableofcontents6.3 VARIABLE RESPUESTA ...................................................................................................41spa
dc.description.tableofcontents6.4 DISEÑO DE MUESTREO ...................................................................................................41spa
dc.description.tableofcontents6.5 MANEJO AGRONÓMICO ..................................................................................................42spa
dc.description.tableofcontents6.6 PROCEDIMIENTO ...............................................42spa
dc.description.tableofcontents6.7 ANALISIS DE DATOS ..................................................................................................44spa
dc.description.tableofcontents7. RESULTADOS Y DISCUSIÓN ...................................................................................................46spa
dc.description.tableofcontents7.1 RESULTADOS .................................................................................................46spa
dc.description.tableofcontents7.1.1 Perfil general de las hojas muestreadas ................................................................................................46spa
dc.description.tableofcontents7.1.2 Análisis de los genotipos de stevia (S. rebaudiana) ................................................................................................48spa
dc.description.tableofcontents7.2 DISCUSIÓN ..............................................................72spa
dc.description.tableofcontents8. CONCLUSIONES ......................................................76spa
dc.description.tableofcontentsREFERENCIAS .....................................................................................................77spa
dc.description.tableofcontentsANEXOS ................................................................................95spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.urihttps://repositorio.unicordoba.edu.co/handle/ucordoba/2771spa
dc.language.isospaspa
dc.publisher.facultyFacultad de Ciencias Agrícolasspa
dc.publisher.programIngeniería Agronómicaspa
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dc.rightsCopyright Universidad de Córdoba, 2019spa
dc.rights.accessrightsinfo:eu-repo/semantics/restrictedAccessspa
dc.rights.creativecommonsAtribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)spa
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/spa
dc.subject.keywordsSteviaspa
dc.subject.keywordsLeaf areaspa
dc.subject.keywordsAllometryspa
dc.subject.keywordsLeaf morphologyspa
dc.subject.proposalSteviaspa
dc.subject.proposalÁrea foliarspa
dc.subject.proposalAlometríaspa
dc.subject.proposalMorfología foliarspa
dc.titleEstimación del área foliar con parámetros biométricos de las hojas de cuatro genotipos de stevia (Stevia rebaudiana (Bertoni) Bertoni) en el Sinú Mediospa
dc.typeTrabajo de grado - Pregradospa
dc.type.coarhttp://purl.org/coar/resource_type/c_7a1fspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/bachelorThesisspa
dc.type.redcolhttps://purl.org/redcol/resource_type/TPspa
dc.type.versioninfo:eu-repo/semantics/publishedVersionspa
dspace.entity.typePublication
oaire.accessrightshttp://purl.org/coar/access_right/c_16ecspa
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85spa
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