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Browsing Artículos científicos by Author "20228012859"
Now showing items 1-12 of 12
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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 ... -
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 ... -
Variability in seedling emergence traits of Patagonian Cypress marginal steppe populations
Pastorino, Mario Juan; Sa, Mercedes Susana; Aparicio, Alejandro Gabriel; Gallo, Leonardo Ariel (Springer, 2014-01)Genetic information on adaptive traits is crucial for prediction of the evolution of natural populations in relation to global climate change. The seedling emergence process together with germination is a key adaptive stage ... -
Vegetative propagation of patagonian cypress, a vulnerable species from the subantarctic forest of South America
Aparicio, Alejandro Gabriel; Pastorino, Mario Juan; Martinez Meier, Alejandro; Gallo, Leonardo Ariel (Universidad Austral de Chile, 2009)Increasing risks of loosing forest genetic resources and the need for a sustainable quality wood supply make focusing research efforts on undomesticated tree species necessary. The study of their genetic variation in ...