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Aspectos básicos sobre semillas y frutos de especies forestales. Recomendaciones para su cosecha
Varela, Santiago Agustin; Aparicio, Alejandro Gabriel (EEA Bariloche, INTA, 2011)La cosecha de semillas es una etapa clave, que puede determinar los resultados de toda la cadena de producción forestal. Si bien existe información diversa sobre las características de los frutos y las semillas de algunas ... -
Banco de plantas con cría diferida como alternativa para la producción continua de plantines de lenga en el vivero
Azpilicueta, Maria Marta; Aparicio, Alejandro Gabriel; Mondino, Victor Alejandro; Pastorino, Mario Juan (INTA - CIEFAP - CONICET, 2022)La producción de plantines forestales en vivero puede realizarse a través de diferentes técnicas, desde la tradicional en cantero a raíz desnuda hasta la más intensiva en tubete, dentro de invernáculo y con manejo controlado ... -
Coirón Blanco: Avances en su domesticación y mejoramiento genético
Marchelli, Paula; Lopez, Aldana; Azpilicueta, Maria Marta; Nagahama, Nicolas; Ugarte, Cristina Cecilia; Guidalevich, Verónica; Angeli, Juan Pablo; Aparicio, Alejandro Gabriel; Easdale, Marcos Horacio (EEA Bariloche, INTA, 2020-12)Los pastizales naturales son el principal recurso forrajero en Patagonia. La ganadería extensiva, el avance de la desertificación y los cambios en el clima contribuyen a un aumento de la degradación de estos pastizales. ... -
Data Set: Nothofagus pumilio - extremes of an elevation gradient located in Challhuaco Valley; Bariloche, Río Negro, Argentina [Conjunto de datos]
Soliani, Carolina; Aparicio, Alejandro Gabriel (Estación Experimental Agropecuaria Bariloche, INTA, 2018)Supplementary information of the: Carolina Soliani & Alejandro G. Aparicio (2020): Evidence of genetic determination in the growth habit of Nothofagus pumilio (Poepp. & Endl.) Krasser at the extremes of an elevation gradient, ... -
Diferencias fenológicas en poblaciones seleccionadas de Festuca pallescens, pastura nativa Patagónica
Guidalevich, Verónica; Giana, Fabian Eduardo; Lopez, Aldana Soledad; Martin Albarracin, Valeria Leticia; Aparicio, Alejandro Gabriel; Azpilicueta, Maria Marta; Marchelli, Paula (Asociación Argentina de Producción Animal, 2022-11)En la Patagonia, los pastizales naturales son utilizados como fuente de alimento en la producción extensiva de animales domésticos. Ampliar el conocimiento sobre el comportamiento estacional de las pasturas de especies ... -
Evaluación al quinto año del primer ensayo en campo de orígenes argentinos de lenga (Nothofagus pumilio (Poepp. & Endl.) Krasser)
Pastorino, Mario Juan; Azpilicueta, Maria Marta; Aparicio, Alejandro Gabriel; Huentu, Mario Rafael; Jaque, Néstor Fabián; Mondino, Victor Alejandro; Schinelli Casares, Teresa (GeMFO, 2022-09)En 2017 se instaló un ensayo de 10 orígenes argentinos de lenga en Bariloche, con 3 repeticiones de 9 plantas (N= 270) en DBCA. En 2022 se midió la altura y el diámetro al cuello de cada planta, y se registró la mortalidad. ... -
Evidence of genetic determination in the growth habit of Nothofagus pumilio (Poepp. & Endl.) Krasser at the extremes of an elevation gradient
Soliani, Carolina; Aparicio, Alejandro Gabriel (Taylor & Francis, 2020)In temperate mountainous regions, altitudinal clines in tree size and growth habit develop from a gradual adjustment of multiple traits to tolerate harshening conditions with altitude. We perform a common garden trial with ... -
Genetic versus environmental contributions to variation in seedling resprouting in Nothofagus obliqua
Aparicio, Alejandro Gabriel; Zuki, Sebastián Maximiliano; Azpilicueta, Maria Marta; Barbero, Fernando Alvaro; Pastorino, Mario Juan (Springer, 2015-04)Resprouting is an almost universal functional trait in temperate angiosperms and confers persistence at an individual level after the loss of above-ground biomass. The importance of genetic versus environmental sources of ... -
Heritable variation in the survival of seedlings from Patagonian cypress marginal xeric populations coping with drought and extreme cold
Aparicio, Alejandro Gabriel; Zuki, Sebastián Maximiliano; Pastorino, Mario Juan; Martinez Meier, Alejandro; Gallo, Leonardo Ariel (Springer, 2012-01)The rear edges of tree species have begun to be perceived as highly valuable for genetic resources conservation and management. In view of expected climatic changes, the responses of trees at their xeric limits may largely ... -
Host plant choice and effect of temperature on feeding behaviour of Perzelia arda (Lepidoptera: Depressariidae), a leaf-tying larva, on Nothofagaceae from the Andean Patagonian forest
Capobianco, Julio Nahuel; Pietrantuono, Ana Laura; Aparicio, Alejandro Gabriel; Fernandez Arhex, Valeria Cristina (Wiley, 2021-08)Environmental temperature may cause changes in the physiology and feeding behaviour of herbivorous insects and, consequently, in the damage they can cause. In the Andean Patagonian forest, an eco-region dominated by trees ... -
Identificación del origen genético de un rodal semillero implantado de Nothofagus obliqua a través del análisis de dos regiones inter-génicas de ADN de cloroplasto
Azpilicueta, Maria Marta; Marchelli, Paula; Aparicio, Alejandro Gabriel; Pastorino, Mario Juan (Ediciones INTA, 2021-04)En planes de forestación, tanto con fines productivos como de conservación, la correcta elección de la fuente de semilla para utilizar es un factor clave. El área productora de semilla (APS) “Trevelin” de Nothofagus obliqua ... -
Modeling leaf maximum net photosynthetic rate of Festuca pallescens, the dominant perennial grass of Patagonian pine-based silvopastoral systems
Caballe, Gonzalo; Fernandez, María Elena; Gyenge, Javier; Aparicio, Alejandro Gabriel; Schlichter, Tomas Miguel (2011-09)The integrated relationship in a simple mechanistic model between the critical environmental factors controlling leaf photosynthesis of understory species would be a useful tool to optimize the management of the silvopastoral ... -
Modeling of the annual cycle of Melophagus Ovinus (L.) in two sheeps flocks of Patagonia, Argentina
Larroza, Marcela Patricia; Aparicio, Alejandro Gabriel; Raffo, Fernando; Cabrera, Raúl Francisco; Olaechea, Fermin (2018-03)The ked Melophagus ovinus (L.), one of the most common obligate external parasites in sheep, is a recurrent problem in temperate sheep production areas worldwide. Modeling of its annual dynamics, which is lacking, can ... -
Natives helping foreigners? The effect of inoculation of poplar with patagonian beneficial microorganisms
Mestre, María Cecilia; Pastorino, Mario Juan; Aparicio, Alejandro Gabriel; Fontenla, Sonia Beatriz (2017-12)Inoculation with microorganisms represents an opportunity to enhance tree production, directly affecting plant growth or survival at planting. The aim of the present study was to evaluate the effect of mixed inoculation ... -
Neutral and adaptive variation in the most widely distributed native tree species in Patagonia: on the way to defining provenance regions for Nothofagus pumilio
Mattera, María Gabriela; Torres, Ana Delia; Soliani, Carolina; Aparicio, Alejandro Gabriel; Marchelli, Paula; Pastorino, Mario Juan (2018-09)In our ongoing project, we aim to define Provenance Regions (PR) for the species along its distribution range in Argentina, from 36º S to 55º S. We propose the combination of neutral genetic variation with quantitative ... -
Nothofagus pumilio and N. antarctica: The Most Widely Distributed and Cold-Tolerant Southern Beeches in Patagonia
Soliani, Carolina; Marchelli, Paula; Mondino, Victor Alejandro; Pastorino, Mario Juan; Mattera, María Gabriela; Gallo, Leonardo Ariel; Aparicio, Alejandro Gabriel; Torres, Ana Delia; Tejera, Eduardo; Schinelli Casares, Teresa (Springer, 2021)Nothofagus pumilio (Poepp. & Endl.) Krasser, known as lenga, and Nothofagus antarctica (G. Forster) Oerster, commonly called ñire, are tree species of the temperate forests of southern South America, occurring in temperate-rainy ... -
Pastizales patagónicos: avances en la domesticación del coirón blanco con fines productivos y de restauración ecosistémica
Marchelli, Paula; Lopez, Aldana; Azpilicueta, Maria Marta; Nagahama, Nicolas; Lopez, Dardo Ruben; Caballe, Gonzalo; Guidalevich, Verónica; Angeli, Juan Pablo; Aparicio, Alejandro Gabriel; Ugarte, Cristina Cecilia; Beider, Adriana Mariela; Siffredi, Guillermo Lorenzo (Ediciones INTA, 2021-12)La gran heterogeneidad ambiental, la alta presión de pastoreo histórica y el cambio climático imponen fuertes presiones sobre las especies nativas de los pastizales de Patagonia. Estos pastizales están dominados por ... -
Patagonian Cypress (Austrocedrus chilensis): The Cedarwood of the Emblematic Architecture of North Patagonia
Aparicio, Alejandro Gabriel; Pastorino, Mario Juan (Springer, 2021)The Patagonian cypress Austrocedrus chilensis (D. Don) Pic. Serm. & Bizzarri, also known as Chilean cedar, is a dioecious, anemophilous, and anemochorous conifer (Cupressaceae), native to Argentina and Chile. In Argentina, ... -
Pattern of natural introgression in a Nothofagus hybrid zone from South American temperate forests
El Mujtar, Veronica Andrea; Sola, Georgina Giselle; Aparicio, Alejandro Gabriel; Gallo, Leonardo Ariel (Springer-Verlag Berlin Heidelberg, 2017-03-29)Interspecific gene flow is a common phenomenon in Nothofagaceae species; however, the dynamics of introgression in hybrid zones remains largely unknown. We focused on two ecologically and morphologically different Nothofagus ... -
Physiological and morphological short-term responses to light and temperature in two Nothofagus species of Patagonia, South America
Varela, Santiago Agustin; Fernandez, María Elena; Gyenge, Javier Enrique; Aparicio, Alejandro Gabriel; Bruzzone, Octavio Augusto; Schlichter, Tomas Miguel (2012-12)The study of plant responses to environmental stress factors is essential for management of plant systems and for anticipating their response to climate change. The main goal of this study was to determine morphological ...