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Revista de Ciencias Agrícolas
versión impresa ISSN 0120-0135versión On-line ISSN 2256-2273
Resumen
BACCA, Pedro Pablo; ZULUAGA, Jhon Jairo; IVEZ PEREZ, Jose y PALACIO, Manfred Ricardo. Evaluation of pre-germination treatments in Carapa guianensis AUBL. Rev. Cienc. Agr. [online]. 2020, vol.37, n.2, pp.56-66. Epub 10-Mayo-2021. ISSN 0120-0135. https://doi.org/10.22267/rcia.203702.138.
germination of native forest species of the Tropical wet forest is essential for ecosystem regeneration and conservation, which have been affected by the exploitation of wood and non-wood forest products. Carapa guianensis Aulb. (Meliaceae) has been exploited due to the high quality of its wood and seeds. Particularly, the latter is a source of a medicinal oil of high value to the pharmaceutical industry. The indiscriminate use of this species has reduced its population size; therefore, scientific knowledge of its sexual propagation in nurseries is vital. This research aimed to evaluate seed germination of C. guianensis under different pre-germination treatments and substrates at the Centro de Investigación El Mira of AGROSAVIA. Pre-germination assays were conducted in a split-plot design with a random distribution of four repetitions. The cumulative germination percentage (CGP) and mean germination time (t 50 ) were calculated and analyzed through an ANOVA, and Tukey’s multiple comparison test using InfoStat V.2016. Significant differences for CGP among treatments (p<0.0001) and interactions (p<0.0096) were found. The highest germination percentage (61%) was achieved in S1+T4; however, the T 50 did not show significant differences (p=0.24). This research demonstrates that the highest germination percentage is achieved through a scarification treatment with imbibition in sand substrate under the agroclimatic conditions of Tumaco.
Palabras clave : Andiroba; tropical wet forest; scarification; propagation; seeds.