Griffonia simplicifolia is a Caesalpiniaceae legume that grows from Liberia to the Democratic Republic of Congo. The leaves are widely used in Togo for their nutritional value. On the other hand it is most known for the richness in 5-Hydroxy-L-tryptophan (L-5-HTP) of its seeds. Farmers collect significant amounts of fodder directly from Togo's forest formations, resulting in a scarcity of this species, which is classed as non-timber forest products. Massive anthropization, in combination with the low germinative potential of G. simplicifolia seeds, poses a threat to the species' survival and availability. It is critical to promote and disseminate G. simplicifolia's culture in order to help save the species, which is presently critically endangered. It is in this perspective that the study of germination and conservation of the germination capacity of G. simplicifolia seeds was conducted. The ecotype being studied was that of Lomé, which was harvested on the campus of the University of Lomé. Light, integuments, time, and storage temperature were all factors considered when studying germination. To optimize the germination speed, it is essential to remove the seed coat and germinate the seeds with light in the greenhouse as in vitro. The cold helps to preserve the germination capacity of seeds, which deteriorates quickly in warm environments.
Key words: Griffonia simplicifolia, L-5-HTP, in vivo and in vitro germination.
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