Juan C. Vilardi
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View article: Development of microsatellite markers for the American species Vachellia aroma (Fabac
Development of microsatellite markers for the American species Vachellia aroma (Fabac Open
Background and aims: There are currently no microsatellite markers available for any American species of Vachellia, and particularly, for V. aroma. Then the aims of this study were to develop SSR markers specific for V. aroma, for the firs…
View article: Ecological phylogeography and coalescent models suggest a linear population expansion of<i>Anastrepha fraterculus</i>(Diptera: Tephritidae) in southern South America
Ecological phylogeography and coalescent models suggest a linear population expansion of<i>Anastrepha fraterculus</i>(Diptera: Tephritidae) in southern South America Open
This work is a first approach to an integrated view of the genetics, ecology and dispersion patterns of Anastrepha fraterculus in southern South America. We studied the association of genetic variation with geographical patterns and enviro…
View article: Signatures of natural selection in morphological quantitative traits in Argentinean populations of Senegalia gilliesii (Fabaceae)
Signatures of natural selection in morphological quantitative traits in Argentinean populations of Senegalia gilliesii (Fabaceae) Open
In order to elucidate the role of evolutionary forces in shaping the variation of quantitative traits in Senegalia gilliesii we evaluate seven phenotypic traits in three Argentinean populations, two of them sharing environmental and vegeta…
View article: Pollen contamination and mating patterns in a Prosopis alba clonal orchard: impact on seed orchards establishment
Pollen contamination and mating patterns in a Prosopis alba clonal orchard: impact on seed orchards establishment Open
Prosopis alba (Leguminosae) is an important species from ecologic and economical points of view in arid and semi-arid regions of Argentina. In several open-pollinated species, pollen contamination from off-orchard parents and selfing have …
View article: Evidence of local adaptation and stabilizing selection on quantitative traits in populations of the multipurpose American species Acacia aroma (Fabaceae)
Evidence of local adaptation and stabilizing selection on quantitative traits in populations of the multipurpose American species Acacia aroma (Fabaceae) Open
Economically and ecologically important quantitative traits of Acacia aroma are related to life history and the size and shape of fruits and leaves. Substantial variation is observed for these traits in natural populations, suggesting a po…
View article: Cryptic genetic structure in an Argentinian population of Anastrepha fraterculus (Diptera: Tephritidae) evidenced by SSR markers and quantitative traits
Cryptic genetic structure in an Argentinian population of Anastrepha fraterculus (Diptera: Tephritidae) evidenced by SSR markers and quantitative traits Open
In some regions of Argentina and Brazil, the South American fruit fly Anastrepha fraterculus (Wied.) (Diptera: Tephritidae) causes significant damage to crops. An efficient integrated management program requires knowledge of pest populatio…
View article: Genética de Poblaciones
Genética de Poblaciones Open
La genética de poblaciones es una disciplina biológica que surge cuando se extienden los principios mendelianos a conjuntos de familias que constituyen poblaciones naturales. Además, la genética de poblaciones suministra los principios teó…
View article: Genetic diversity and differentiation among <i>Prosopis alba</i> (Leguminosae) populations from dry valleys of Bolivia with different levels of human disturbance and altitude
Genetic diversity and differentiation among <i>Prosopis alba</i> (Leguminosae) populations from dry valleys of Bolivia with different levels of human disturbance and altitude Open
The fast expansion of human population around La Paz, Bolivia (3,200–4,100 m.a.s.l.) triggered new suburban settlements in nearby areas in valleys and mountain feet. The white mesquite, Prosopis alba Griseb. (Leguminosae), is a resource (o…
View article: Spatial genetic structure within populations and management implications of the South American species Acacia aroma (Fabaceae)
Spatial genetic structure within populations and management implications of the South American species Acacia aroma (Fabaceae) Open
The identification of factors that structure intraspecific diversity is of particular interest for biological conservation and restoration ecology. All rangelands in Argentina are currently experiencing some form of deterioration or desert…
View article: EcoGenetics: An R package for the management and exploratory analysis of spatial data in landscape genetics
EcoGenetics: An R package for the management and exploratory analysis of spatial data in landscape genetics Open
The integration of ecology and genetics has become established in recent decades, in hand with the development of new technologies, whose implementation is allowing an improvement of the tools used for data analysis. In a landscape genetic…
View article: Implications of mating system and pollen dispersal indices for management and conservation of the semi-arid species Prosopis flexuosa (Leguminosae)
Implications of mating system and pollen dispersal indices for management and conservation of the semi-arid species Prosopis flexuosa (Leguminosae) Open
View article: Contribución de estudios genético poblacionales a la conservación de especies nativas de Argentina de interés forestal
Contribución de estudios genético poblacionales a la conservación de especies nativas de Argentina de interés forestal Open
La genética de poblaciones puede definirse como una extensiónde la genética mendeliana a conjuntos de familias que constituyenpoblaciones y los resultados de los estudios en este campo puedenaportar resultados muy valiosos para establecer …
View article: Isolation by distance and stochastic migration in a fragmented population of<i>Prosopis alba</i>
Isolation by distance and stochastic migration in a fragmented population of<i>Prosopis alba</i> Open
PREMISE OF THE STUDY: Gene flow through dispersal of seeds and pollen is a fundamental determinant of spatial genetic structure (SGS) in natural populations of trees at different spatial scales. Within continuous populations, restrictions …
View article: Developing a breeding strategy for multiple trait selection in<i>Prosopis alba</i>Griseb., a native forest species of the Chaco Region in Argentina
Developing a breeding strategy for multiple trait selection in<i>Prosopis alba</i>Griseb., a native forest species of the Chaco Region in Argentina Open
Prosopis alba is a native forest tree growing in arid and semi-arid regions of Argentina. It is a multipurpose species suitable for silvopastoral systems. The breeding programmes of P. alba in Argentina started ~25 years ago. Although seve…
View article: Fine-scale spatial genetic structure analysis in two Argentine populations of Prosopis alba (Mimosoideae) with different levels of ecological disturbance
Fine-scale spatial genetic structure analysis in two Argentine populations of Prosopis alba (Mimosoideae) with different levels of ecological disturbance Open
View article: Morphometric Differentiation Among<i>Anastrepha fraterculus</i>(Diptera: Tephritidae) Exploiting Sympatric Alternate Hosts
Morphometric Differentiation Among<i>Anastrepha fraterculus</i>(Diptera: Tephritidae) Exploiting Sympatric Alternate Hosts Open
Anastrepha fraterculus (Wiedemann) is currently considered a complex of cryptic species infesting fruits from Mexico to Argentina and represents an interesting biological model for evolutionary studies. Moreover, detecting and quantifying …
View article: Demonstration Using Field Collections that Argentina Fall Armyworm Populations Exhibit Strain-specific Host Plant Preferences
Demonstration Using Field Collections that Argentina Fall Armyworm Populations Exhibit Strain-specific Host Plant Preferences Open
Spodoptera frugiperda, the fall armyworm, is a major economic pest throughout the Western Hemisphere of corn (maize), cotton, sorghum, and a variety of agricultural grasses and vegetable crops. Studies in the United States, the Caribbean, …
View article: Genetic diversity within and among two Argentinean and one Mexican species of<i>Acacia</i>(Fabaceae)
Genetic diversity within and among two Argentinean and one Mexican species of<i>Acacia</i>(Fabaceae) Open
Acacia is a pantropical genus comprising>1450 species. Following Vassal's treatment Acacia is considered as a single genus with three subgenera (Acacia, Aculeiferum and Phyllodineae). Acacia caven, A.curvifructa and A.farnesiana belong to …