Examinando por Materia "TAXONOMÍA VEGETAL"
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Ítem Análisis taxonómico de una madera fósil relacionada a la familia Chrysobalanaceae del Monumento Natural de Barro Colorado, Panamá(Universidad EAFIT, 2023) Blanco Varón, José Santiago; Martínez Aguillón, CamilaÍtem Ensayos de germinación y modelo de distribución para Godoya Antioquiensis en Antioquia y regiones aledañas(Universidad EAFIT, 2023) Botero López, Juan José; Martínez Aguillón, Camila; Restrepo Cossío, Leydi ValentinaGodoya antioquiensis is a tree species native to Colombia, distributed throughout the central and western mountain range, between 1600 m above sea level (masl) and 2600 masl. Currently, due to anthropogenic factors and overpopulation that have altered environmental conditions, its populations are under threat. The objective of the present study is to generate data and tools regarding its propagation and potential distribution to promote the conservation of the species. To determine seed viability, a tetrazolium staining test was conducted, revealing a 10% variation in viability between stored and fresh seeds, as well as greater imbibition for the latter. According to the germination results, the best substrate in terms of the quantity of seedlings obtained in the initial phase (30 days) is sand. However, despite Sphagnum presenting a lower result, its seedlings showed better development. Additionally, it is expected that the distribution model obtained will identify potential occurrence zones where the species has not been previously recorded. Moreover, based on the results of the imbibition test, Godoya antioquiensis seeds can withstand prolonged periods of desiccation. However, storing them is not advisable as they may lose germinative vigor. Due to the wide distribution of the species, in the Antioquia department, there is good availability of optimal Andean ecosystems for its reintroduction.Ítem ¿Se está perdiendo nuestro conocimiento ancestral de uso de plantas de generación en generación? : un estudio aplicado al Valle de Aburrá, Colombia.(Universidad EAFIT, 2019) Mejía Calderón, Valentina; Hoyos Gómez, Saúl Ernesto