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Abstract
Dialium guianense es una especie tropical arbórea de bosques perennifolios utilizada por su madera y frutos comestibles. Estos ecosistemas son amenazados, por lo que el objetivo del estudio fue evaluar el crecimiento inicial de la planta con miras a establecer programas de propagación. Las plántulas fueron cultivadas en bolsas de vivero y se empleó un diseño completamente aleatorio con una población inicial de 200 plantas durante 10 meses. El tallo y la raíz alcanzaron longitudes de 32.8 y 28.9 cm, respectivamente. El número de hojas compuestas fue de 12.3 con siete folíolos. La acumulación de biomasa fue de 2.5 g en el tallo, 1.6 g en la raíz y 3.7 g en las hojas. La relación vástago/raíz mostró, aproximadamente, cuatro veces mayor biomasa en el vástago. La TRC media fue de 15 mg g-1 día-1. El crecimiento de D. guianense resultó lento, indicando que es una especie tardía sucesionalmente
Dialium guianense is used for its wood and fruit production, and is a tropical tree species native to evergreen forests. Given the threat these forests face, the purpose of this work was to evaluate the initial growth of the plant under greenhouse conditions, for aiming in the development of propagation programs. Seedlings of the species were transplanted to nursery bags under a completely randomized design and grown for 10 months with an initial population of 200 plants. At the end of the experiment, the shoot and root reached lengths of 32.8 and 28.9 cm, respectively. The average number of composite leaves was 12.3 each with seven leaflets. The average biomass was 2.5 g for the shoot, 1.6 g for roots, and 3.7 g for leaves, with a shoot/root around four. The average relative growth rate (RGR) was 15 mg g -1 day -1. These characteristics indicate that D. guianense is a late successional species.
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