Proyectos

[vc_section el_class="container mx-auto align-items-center circle--pattern" css=".vc_custom_1648956589196{padding-top: 3rem !important;}"][vc_row el_class="pb-5"][vc_column][vc_wp_custommenu nav_menu="6"][uoh_breadcrumb_component automatic_breadcrumb="true"][uoh_title_component title_dropdown="big" title_decorator="true"]{{title}}[/uoh_title_component][vc_column_text css=""][/vc_column_text][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649209804184{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5"][vc_row el_class="container mx-auto align-items-center p-md-0 pt-5"][vc_column el_class="p-0"][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649210787516{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5 pb-md-5"][vc_row el_class="container mx-auto align-items-center"][vc_column][/vc_column][/vc_row][/vc_section]

[vc_section el_class="container mx-auto align-items-center circle--pattern" css=".vc_custom_1648956589196{padding-top: 3rem !important;}"][vc_row el_class="pb-5"][vc_column][vc_wp_custommenu nav_menu="6"][uoh_breadcrumb_component automatic_breadcrumb="true"][uoh_title_component title_dropdown="big" title_decorator="true"]{{title}}[/uoh_title_component][vc_column_text css=""][/vc_column_text][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649209804184{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5"][vc_row el_class="container mx-auto align-items-center p-md-0 pt-5"][vc_column el_class="p-0"][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649210787516{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5 pb-md-5"][vc_row el_class="container mx-auto align-items-center"][vc_column][/vc_column][/vc_row][/vc_section]

[vc_section el_class="container mx-auto align-items-center circle--pattern" css=".vc_custom_1648956589196{padding-top: 3rem !important;}"][vc_row el_class="pb-5"][vc_column][vc_wp_custommenu nav_menu="6"][uoh_breadcrumb_component automatic_breadcrumb="true"][uoh_title_component title_dropdown="big" title_decorator="true"]{{title}}[/uoh_title_component][vc_column_text css=""]Objetivo general: 1. Fortalecer la política institucional de vinculación con el medio de la UOH, a través de una experiencia piloto de vinculación con el medio escolar, utilizando como medio una investigación sobre salud mental y rendimiento académico en estudiantes de primer ciclo de Enseñanza Básica, a través de una estrategia de colaboración entre actores educacionales, comunitarios y académicos, bajo una perspectiva de trabajo territorial. Objetivos específicos: 1. Fortalecer la política institucional de vinculación con el medio de la UOH, a través del desarrollo de una experiencia piloto que articula el trabajo de actores educacionales, comunitarios y académicos, en contextos territoriales específicos. 2. Desarrollar una investigación que potencie la estrategia de vinculación con el medio a través de un problema relevante y sentido por la comunidad, cuya finalidad será identificar la presencia de un problema de salud mental en estudiantes del primer ciclo de la Enseñanza Básica de establecimientos municipales de la Región de O’Higgins y establecer su asociación con el rendimiento académico de estos.[/vc_column_text][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649209804184{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5"][vc_row el_class="container mx-auto align-items-center p-md-0 pt-5"][vc_column el_class="p-0"][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649210787516{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5 pb-md-5"][vc_row el_class="container mx-auto align-items-center"][vc_column][/vc_column][/vc_row][/vc_section]

[vc_section el_class="container mx-auto align-items-center circle--pattern" css=".vc_custom_1648956589196{padding-top: 3rem !important;}"][vc_row el_class="pb-5"][vc_column][vc_wp_custommenu nav_menu="6"][uoh_breadcrumb_component automatic_breadcrumb="true"][uoh_title_component title_dropdown="big" title_decorator="true"]{{title}}[/uoh_title_component][vc_column_text css=""]Objetivo general: 1. Fortalecer la política institucional de vinculación con el medio de la UOH, a través de una experiencia piloto de vinculación con el medio escolar, utilizando como medio una investigación sobre salud mental y rendimiento académico en estudiantes de primer ciclo de Enseñanza Básica, a través de una estrategia de colaboración entre actores educacionales, comunitarios y académicos, bajo una perspectiva de trabajo territorial. Objetivos específicos: 1. Fortalecer la política institucional de vinculación con el medio de la UOH, a través del desarrollo de una experiencia piloto que articula el trabajo de actores educacionales, comunitarios y académicos, en contextos territoriales específicos. 2. Desarrollar una investigación que potencie la estrategia de vinculación con el medio a través de un problema relevante y sentido por la comunidad, cuya finalidad será identificar la presencia de un problema de salud mental en estudiantes del primer ciclo de la Enseñanza Básica de establecimientos municipales de la Región de O’Higgins y establecer su asociación con el rendimiento académico de estos.[/vc_column_text][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649209804184{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5"][vc_row el_class="container mx-auto align-items-center p-md-0 pt-5"][vc_column el_class="p-0"][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649210787516{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5 pb-md-5"][vc_row el_class="container mx-auto align-items-center"][vc_column][/vc_column][/vc_row][/vc_section]

[vc_section el_class="container mx-auto align-items-center circle--pattern" css=".vc_custom_1648956589196{padding-top: 3rem !important;}"][vc_row el_class="pb-5"][vc_column][vc_wp_custommenu nav_menu="6"][uoh_breadcrumb_component automatic_breadcrumb="true"][uoh_title_component title_dropdown="big" title_decorator="true"]{{title}}[/uoh_title_component][vc_column_text css=""]El aumento en las condiciones de sequía experimentadas en el centro de Chile durante el último siglo ha sido poco estudiado en términos de sus posibles impactos en la dinámica forestal de los bosques mediterráneos de Chile central. Se ha observado una disminución del crecimiento y una pobre regeneración por semilla, que se asociaría con los cambios en los patrones climáticos. El presente proyecto busca evaluar desde una perspectiva histórica la respuesta de los árboles mediterráneos de Chile frente al cambio global reciente, utilizando especies perennes (bosques esclerófilos) y caducifolios (bosques de Nothofagus) en un gradiente altitudinal y latitudinal (30°-35° S), complementando con estudios retrospectivos (análisis dendrocronológico e isotópico) y estudios prospectivos (análisis en cámaras de crecimiento controlado). Los resultados proporcionarán información valiosa para comprender la resiliencia ecológica de los ecosistemas mediterráneos de América del Sur y, por lo tanto, serán útiles para futuros programas de conservación y restauración ecológica.[/vc_column_text][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649209804184{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5"][vc_row el_class="container mx-auto align-items-center p-md-0 pt-5"][vc_column el_class="p-0"][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649210787516{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5 pb-md-5"][vc_row el_class="container mx-auto align-items-center"][vc_column][/vc_column][/vc_row][/vc_section]

[vc_section el_class="container mx-auto align-items-center circle--pattern" css=".vc_custom_1648956589196{padding-top: 3rem !important;}"][vc_row el_class="pb-5"][vc_column][vc_wp_custommenu nav_menu="6"][uoh_breadcrumb_component automatic_breadcrumb="true"][uoh_title_component title_dropdown="big" title_decorator="true"]{{title}}[/uoh_title_component][vc_column_text css=""]El aumento en las condiciones de sequía experimentadas en el centro de Chile durante el último siglo ha sido poco estudiado en términos de sus posibles impactos en la dinámica forestal de los bosques mediterráneos de Chile central. Se ha observado una disminución del crecimiento y una pobre regeneración por semilla, que se asociaría con los cambios en los patrones climáticos. El presente proyecto busca evaluar desde una perspectiva histórica la respuesta de los árboles mediterráneos de Chile frente al cambio global reciente, utilizando especies perennes (bosques esclerófilos) y caducifolios (bosques de Nothofagus) en un gradiente altitudinal y latitudinal (30°-35° S), complementando con estudios retrospectivos (análisis dendrocronológico e isotópico) y estudios prospectivos (análisis en cámaras de crecimiento controlado). Los resultados proporcionarán información valiosa para comprender la resiliencia ecológica de los ecosistemas mediterráneos de América del Sur y, por lo tanto, serán útiles para futuros programas de conservación y restauración ecológica.[/vc_column_text][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649209804184{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5"][vc_row el_class="container mx-auto align-items-center p-md-0 pt-5"][vc_column el_class="p-0"][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649210787516{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5 pb-md-5"][vc_row el_class="container mx-auto align-items-center"][vc_column][/vc_column][/vc_row][/vc_section]

[vc_section el_class="container mx-auto align-items-center circle--pattern" css=".vc_custom_1648956589196{padding-top: 3rem !important;}"][vc_row el_class="pb-5"][vc_column][vc_wp_custommenu nav_menu="6"][uoh_breadcrumb_component automatic_breadcrumb="true"][uoh_title_component title_dropdown="big" title_decorator="true"]{{title}}[/uoh_title_component][vc_column_text css=""]Objetivo general: 1. Fortalecer la política institucional de vinculación con el medio de la UOH, a través de una experiencia piloto de vinculación con el medio escolar, utilizando como medio una investigación sobre salud mental y rendimiento académico en estudiantes de primer ciclo de Enseñanza Básica, a través de una estrategia de colaboración entre actores educacionales, comunitarios y académicos, bajo una perspectiva de trabajo territorial. Objetivos específicos: 1. Fortalecer la política institucional de vinculación con el medio de la UOH, a través del desarrollo de una experiencia piloto que articula el trabajo de actores educacionales, comunitarios y académicos, en contextos territoriales específicos. 2. Desarrollar una investigación que potencie la estrategia de vinculación con el medio a través de un problema relevante y sentido por la comunidad, cuya finalidad será identificar la presencia de un problema de salud mental en estudiantes del primer ciclo de la Enseñanza Básica de establecimientos municipales de la Región de O’Higgins y establecer su asociación con el rendimiento académico de estos.[/vc_column_text][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649209804184{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5"][vc_row el_class="container mx-auto align-items-center p-md-0 pt-5"][vc_column el_class="p-0"][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649210787516{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5 pb-md-5"][vc_row el_class="container mx-auto align-items-center"][vc_column][/vc_column][/vc_row][/vc_section]

[vc_section el_class="container mx-auto align-items-center circle--pattern" css=".vc_custom_1648956589196{padding-top: 3rem !important;}"][vc_row el_class="pb-5"][vc_column][vc_wp_custommenu nav_menu="6"][uoh_breadcrumb_component automatic_breadcrumb="true"][uoh_title_component title_dropdown="big" title_decorator="true"]{{title}}[/uoh_title_component][vc_column_text css=""]Objetivo general: 1. Fortalecer la política institucional de vinculación con el medio de la UOH, a través de una experiencia piloto de vinculación con el medio escolar, utilizando como medio una investigación sobre salud mental y rendimiento académico en estudiantes de primer ciclo de Enseñanza Básica, a través de una estrategia de colaboración entre actores educacionales, comunitarios y académicos, bajo una perspectiva de trabajo territorial. Objetivos específicos: 1. Fortalecer la política institucional de vinculación con el medio de la UOH, a través del desarrollo de una experiencia piloto que articula el trabajo de actores educacionales, comunitarios y académicos, en contextos territoriales específicos. 2. Desarrollar una investigación que potencie la estrategia de vinculación con el medio a través de un problema relevante y sentido por la comunidad, cuya finalidad será identificar la presencia de un problema de salud mental en estudiantes del primer ciclo de la Enseñanza Básica de establecimientos municipales de la Región de O’Higgins y establecer su asociación con el rendimiento académico de estos.[/vc_column_text][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649209804184{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5"][vc_row el_class="container mx-auto align-items-center p-md-0 pt-5"][vc_column el_class="p-0"][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649210787516{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5 pb-md-5"][vc_row el_class="container mx-auto align-items-center"][vc_column][/vc_column][/vc_row][/vc_section]

[vc_section el_class="container mx-auto align-items-center circle--pattern" css=".vc_custom_1648956589196{padding-top: 3rem !important;}"][vc_row el_class="pb-5"][vc_column][vc_wp_custommenu nav_menu="6"][uoh_breadcrumb_component automatic_breadcrumb="true"][uoh_title_component title_dropdown="big" title_decorator="true"]{{title}}[/uoh_title_component][vc_column_text css=""]Chile is one of the principal producer and exporter country of fruit and vegetable crops in the southern hemisphere. In both fruit and vegetable crops there are an increasing concern about agriculture sustainability that includes the evaluation and implementation of practices with lower environmental impact. In this context, and considering the modern vegetable crop production, the use of rootstocks is being considered an essential component due to their ability to adapt a particular cultivar to diverse environmental conditions and/or cultural practices. In agriculture, rootstocks have been used since over 2000 years ago. Specifically, in cucurbits, the most grafted vegetable crops are watermelon, melon and cucumber. For watermelon, Lagenaria siceraria (bottle gourd) has been used in different countries as one of the main rootstocks. Considering the recent agricultural scenario, in which drought represent the major risk that impacts negatively the production of major and minor crops, the rootstocks development and the understanding of the role of key root traits would help to assist breeders for drought tolerance landraces selection. In fact, the effects of water regime or deficit on root system development of bottle gourd is not well understood, in addition, the underlying phenotypic and genotypic variability of bottle gourd with respect to root system architecture parameters has not been welldocumented. A crucial component of roots is their architecture, which refers to the spatial-temporal extension of the entire root system in the soil, the root system architecture (RSA). RSA traits, or phenes, has been shown to be important in agricultural systems, in fact, it is considered relevant for improve selection in fruit and vegetable rootstocks breeding programs. Understanding the contribution of specific RSA traits to root system function is critical, and plays a pivotal role in crop performance because it allows the identification of keys traits that contribute in desired functions, and consequently could be considered for developing crops with more efficient roots. In this proposal it is hypothesized that, landraces of Lagenaria siceraria shows high phenotypic and genotypic variation for RSA traits like Root Growth Angle (RGA) and Roots System Depth (RSD). In turn, these phenes are positively correlated with drought tolerance and therefore useful to develop rootstocks with this characteristic in Lagenaria siceraria. In addition, it is also hypothesized that selected L. siceraria rootstocks are able to confer to grafted varieties of watermelon (Citrullus lanatus) an enhanced tolerance to drought. For that, the main goal is to evaluate the root system architecture as parameter of selection for drought tolerance in different Lagenaria siceraria landraces and in grafted plants of watermelon (Citrullus lanatus). The specific goals are: 1. To assess the phenotypic and genotypic variation of Lagenaria siceraria landraces by using root system architecture parameters and genotyping-by-sequencing through SNP markers; 2. To determine the root system architecture parameters that help into the selection of Lagenaria siceraria under drought stress condition; 3. To characterize the response to drought stress of watermelon grafted onto Lagenaria siceraria landraces under field conditions after the selection through the root system architecture parameters. To reach this goals it is proposing the phenotypic characterization of root traits (phenes) in Lagenaria siceraria landraces in a greenhouse under drought stress condition. The genotypic variation of bottle gourd will be studied by using Genotyping-by-sequencing, principal component analysis and genetic relatedness (identityby-state). A multivariate statistical analysis will be implemented to select key root phenes which will be used to evaluate the selection of L. siceraria in a rootstock breeding program. These root phenes will be characterized in grafted plants of watermelon into L. siceraria under field conditions by using the shovelomics phenotyping method. This proposal expects to contribute with the knowledge of genotypic and phenotypic variation in bottle gourd for root system architecture traits, and to identify the possibilities that offers the key root phenes to screen rootstocks for drought tolerance. These results would be relevant for the selection and breeding of cucurbits rootstock with better tolerance to drought. It is also expected that some of these Lagenaria siceraria landraces will be important rootstock for watermelon under semi-arid conditions of Chile.[/vc_column_text][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649209804184{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5"][vc_row el_class="container mx-auto align-items-center p-md-0 pt-5"][vc_column el_class="p-0"][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649210787516{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5 pb-md-5"][vc_row el_class="container mx-auto align-items-center"][vc_column][/vc_column][/vc_row][/vc_section]

[vc_section el_class="container mx-auto align-items-center circle--pattern" css=".vc_custom_1648956589196{padding-top: 3rem !important;}"][vc_row el_class="pb-5"][vc_column][vc_wp_custommenu nav_menu="6"][uoh_breadcrumb_component automatic_breadcrumb="true"][uoh_title_component title_dropdown="big" title_decorator="true"]{{title}}[/uoh_title_component][vc_column_text css=""]Chile is one of the principal producer and exporter country of fruit and vegetable crops in the southern hemisphere. In both fruit and vegetable crops there are an increasing concern about agriculture sustainability that includes the evaluation and implementation of practices with lower environmental impact. In this context, and considering the modern vegetable crop production, the use of rootstocks is being considered an essential component due to their ability to adapt a particular cultivar to diverse environmental conditions and/or cultural practices. In agriculture, rootstocks have been used since over 2000 years ago. Specifically, in cucurbits, the most grafted vegetable crops are watermelon, melon and cucumber. For watermelon, Lagenaria siceraria (bottle gourd) has been used in different countries as one of the main rootstocks. Considering the recent agricultural scenario, in which drought represent the major risk that impacts negatively the production of major and minor crops, the rootstocks development and the understanding of the role of key root traits would help to assist breeders for drought tolerance landraces selection. In fact, the effects of water regime or deficit on root system development of bottle gourd is not well understood, in addition, the underlying phenotypic and genotypic variability of bottle gourd with respect to root system architecture parameters has not been welldocumented. A crucial component of roots is their architecture, which refers to the spatial-temporal extension of the entire root system in the soil, the root system architecture (RSA). RSA traits, or phenes, has been shown to be important in agricultural systems, in fact, it is considered relevant for improve selection in fruit and vegetable rootstocks breeding programs. Understanding the contribution of specific RSA traits to root system function is critical, and plays a pivotal role in crop performance because it allows the identification of keys traits that contribute in desired functions, and consequently could be considered for developing crops with more efficient roots. In this proposal it is hypothesized that, landraces of Lagenaria siceraria shows high phenotypic and genotypic variation for RSA traits like Root Growth Angle (RGA) and Roots System Depth (RSD). In turn, these phenes are positively correlated with drought tolerance and therefore useful to develop rootstocks with this characteristic in Lagenaria siceraria. In addition, it is also hypothesized that selected L. siceraria rootstocks are able to confer to grafted varieties of watermelon (Citrullus lanatus) an enhanced tolerance to drought. For that, the main goal is to evaluate the root system architecture as parameter of selection for drought tolerance in different Lagenaria siceraria landraces and in grafted plants of watermelon (Citrullus lanatus). The specific goals are: 1. To assess the phenotypic and genotypic variation of Lagenaria siceraria landraces by using root system architecture parameters and genotyping-by-sequencing through SNP markers; 2. To determine the root system architecture parameters that help into the selection of Lagenaria siceraria under drought stress condition; 3. To characterize the response to drought stress of watermelon grafted onto Lagenaria siceraria landraces under field conditions after the selection through the root system architecture parameters. To reach this goals it is proposing the phenotypic characterization of root traits (phenes) in Lagenaria siceraria landraces in a greenhouse under drought stress condition. The genotypic variation of bottle gourd will be studied by using Genotyping-by-sequencing, principal component analysis and genetic relatedness (identityby-state). A multivariate statistical analysis will be implemented to select key root phenes which will be used to evaluate the selection of L. siceraria in a rootstock breeding program. These root phenes will be characterized in grafted plants of watermelon into L. siceraria under field conditions by using the shovelomics phenotyping method. This proposal expects to contribute with the knowledge of genotypic and phenotypic variation in bottle gourd for root system architecture traits, and to identify the possibilities that offers the key root phenes to screen rootstocks for drought tolerance. These results would be relevant for the selection and breeding of cucurbits rootstock with better tolerance to drought. It is also expected that some of these Lagenaria siceraria landraces will be important rootstock for watermelon under semi-arid conditions of Chile.[/vc_column_text][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649209804184{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5"][vc_row el_class="container mx-auto align-items-center p-md-0 pt-5"][vc_column el_class="p-0"][/vc_column][/vc_row][/vc_section][vc_section css=".vc_custom_1649210787516{background-color: #f6faff !important;}" el_class="p-md-0 pt-md-5 pb-md-5"][vc_row el_class="container mx-auto align-items-center"][vc_column][/vc_column][/vc_row][/vc_section]