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Banco de plantas con cría diferida como alternativa para la producción continua de plantines de lenga en el vivero = Seedling bank with deferred growth as an alternative for the continuous production of lenga plants in the nursery
Azpilicueta, Maria Marta; Aparicio, Alejandro Gabriel; Mondino, Victor Alejandro; Pastorino, Mario Juan (Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 2023-05)La lenga (Nothofagus pumilio) es un árbol nativo de primera importancia en la Patagonia. Su producción cíclica de semillas y la falta de protocolos que garanticen su conservación por varios años limitan la capacidad de ... -
Clinal variation along precipitation gradients in Patagonian temperate forests: unravelling demographic and selection signatures in three Nothofagus spp.
Soliani, Carolina; Azpilicueta, Maria Marta; Arana, María Veronica; Marchelli, Paula (Springer Nature, 2020-01-10)Past demographic changes and current selection pressures determine the genetic variation displayed by Nothofagus species along rainfall gradients. Based on the diversity trends observed at candidate genes associated to ... -
Desarrollo temprano del roble (Nothofagus obliqua): un análisis arquitectural de procedencias de Argentina = Early development of roble (Nothofagus obliqua): an architectural analysis of provenances from Argentina
Puntieri, Javier; Grosfeld, Javier Edgardo; Stecconi, Marina; Brion, Cecilia; Azpilicueta, Maria Marta; Gallo, Leonardo Ariel (Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 2006-04-28)Se estudió el desarrollo arquitectural en tres años de plántulas de Nothofagus obliqua bajo condiciones de vivero. Las plántulas derivaron de semillas de cinco procedencias dentro del área de distribución natural de esta ... -
Different drought‑adaptive capacity of a native Patagonian tree species (Nothofagus pumilio) resulting from local adaptation
Soliani, Carolina; Mattera, María Gabriela; Marchelli, Paula; Azpilicueta, Maria Marta; Dalla Salda, Guillermina (Springer, 2021-06)The resistance of different genotypes to abiotic stress may be due to genetic effects and/or to phenotypic plasticity allowing them to acclimate to variable conditions. The contribution of one or the other mechanism ... -
Distribución natural de Nothofagus alpina y Nothofagus obliqua (nothofagaceae) en Argentina, dos especies de primera importancia forestal de los bosques templados norpatagónicos
Sabatier, Yamila; Azpilicueta, Maria Marta; Marchelli, Paula; González Peñalba, Marcelo; Lozano, Liliana; García, Leandro; Martinez, Abel Hector Maria; Gallo, Leonardo Ariel; Umaña, Fernando; Bran, Donaldo Eduardo; Pastorino, Mario Juan (Sociedad Argentina de Botánica, 2011-06)Conocer la distribución natural de cualquier especie es esencial para poder planificar su conservación o uso. El Raulí [Nothofagus alpina (Poepp. & Endl.) Oerst. = Nothofagus nervosa (Phil.) Dim. et Mil.] y el Roble Pellín ... -
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 ... -
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 ... -
Integrating genetics and suitability modelling to bolster climate change adaptation planning in Patagonian nothofagus forests
Marchelli, Paula; Thomas, Evert; Azpilicueta, Maria Marta; Zonneveld, Maarten van; Gallo, Leonardo Ariel (2017)We investigated the impact of past changes in habitat suitability on the current patterns of genetic diversity of two southern beeches (Nothofagus nervosa and Nothofagus obliqua) in their eastern fragmented range in ... -
Intraspecific phylogeny of a Patagonian fescue: differentiation at molecular markers and morphological traits suggests hybridization at peripheral populations
Guidalevich, Verónica; Nagahama, Nicolas; Lopez, Aldana; Angeli, Juan Pablo; Marchelli, Paula; Azpilicueta, Maria Marta (Oxford University Press, 2023-05)Background and Aims: Grasses of the Festuca genus have complex phylogenetic relations due to morphological similarities among species and interspecific hybridization processes. Within Patagonian fescues, information ... -
Management of Nothofagus genetic resources: Definition of genetic zones based on a combination of nuclear and chloroplast marker data
Azpilicueta, Maria Marta; Gallo, Leonardo Ariel; van Zonneveld, Maarten; Thomas, E.; Moreno, Angela Carolina; Marchelli, Paula (Elsevier, 2013-08-15)Development of appropriate forest conservation and management measures for a given tree species includes the identification of distinct genetically homogeneous units across its overall distribution range, which depends on ... -
Mitochondrial DNA lineages and genetic variation of early growth traits in the Argentinean breeding population of Pinus ponderosa Douglas ex C. Lawson
Aparicio, Alejandro Gabriel; El Mujtar, Veronica Andrea; Azpilicueta, Maria Marta; Martinez Meier, Alejandro; Mondino, Victor Alejandro (Springer, 2024-03)In the Andean-Patagonian region of Argentina, Pinus ponderosa Douglas ex C. Lawson is the most widely cultivated forest tree species. Its breeding program, started in 1998, is now progressing towards the establishment of ... -
Phylogenetic relationships and intraspecific diversity of a North Patagonian Fescue: evidence of differentiation and interspecific introgression at peripheral populations
Lopez, Aldana; Azpilicueta, Maria Marta; Lopez, Dardo Ruben; Siffredi, Guillermo Lorenzo; Marchelli, Paula (2018-03)Peripheral sites usually offer suboptimal conditions for species with wide distributions, where expression of phenotypic variability and potential interspecific hybridization might be enhanced. The Patagonian steppe, the ... -
Robles in Lagunas de Epulauquen, Argentina: previous and recent evidence of their distinctive character
Azpilicueta, Maria Marta; Pastorino, Mario Juan; Puntieri, Javier Guido; Barbero, Fernando Alvaro; Martinez Meier, Alejandro; Marchelli, Paula; Gallo, Leonardo Ariel (2014-12)The northernmost ‘robles’ of Argentina, located in Lagunas de Epulauquen (northwest Patagonia), are considered a population of Nothofagus obliqua, even though they differ in some respects from individuals of other populations ... -
Searching for molecular insight on hybridization in Nothofagus spp. forest at Lagunas de Epulauquen, Argentina = Estudio de la hibridación a nivel molecular en bosques de Nothofagus spp. en Lagunas de Epulauquen, Argentina
Azpilicueta, Maria Marta; El Mujtar, Veronica Andrea; Gallo, Leonardo Ariel (2016)Los bosques en Lagunas de Epulauquen (36º49’S; 71º04’O) han sido considerados como la población más septentrional de Nothofagus obliqua en Argentina. En años recientes se ha cuestionado su verdadero estatus. La convergencia ... -
Shaping forces modelling genetic variation patterns in the naturally fragmented forests of a South-American Beech
Azpilicueta, Maria Marta; Gallo, Leonardo Ariel (Elsevier, 2009-10)Fourteen natural populations of the South-American Beech Nothofagus obliqua at the Eastern naturally fragmented area of its distribution range were subjected to genetic analysis using genetic markers. The genetic ... -
The effects of Quaternary glaciations in Patagonia as evidenced by chloroplast DNA phylogeography of Southern beech Nothofagus obliqua
Azpilicueta, Maria Marta; Marchelli, Paula; Gallo, Leonardo Ariel (Springer, 2009-03)Climatic oscillations during the Quaternary strongly affected the distribution of warm-temperate tree species, which experienced local restrictions into ice-free areas and posterior expansions. To evaluate the impact of ... -
Transcriptomic responses to drought stress in the Patagonian southern beech Nothofagus alpina
Lopez Laphitz, Rita Maria; Arana, María Veronica; Varela, Santiago Agustin; Becker, Leandro Aníbal; Soliani, Carolina; Azpilicueta, Maria Marta; Marchelli, Paula; Bellora, Nicolás (Springer Open, 2024-05)Background: Deciphering the genetic architecture of drought tolerance could allow the candidate genes identification responding to water stress. In the Andean Patagonian forest, the genus Nothofagus represents an ecologically ... -
Understanding introduction history: Genetic structure and diversity of the edible ectomycorrhizal fungus, Suillus luteus, in Patagonia (Argentina)
Pildain, Maria Belen; Marchelli, Paula; Azpilicueta, Maria Marta; Starik, Cristian; Barroetaveña, Carolina (Taylor & Francis, 2021-06)Suillus luteus is a common ectomycorrhizal (EM) fungus associated with several Pinus species. It is distributed throughout the Northern Hemisphere and has been introduced into South America and New Zealand. We examined the ...