Abstract
In Burkina Faso, medicinal plants are used mainly by the most vulnerable populations (70%). This study aims to promote the ex-situ reproduction of Flemingia faginea to make it accessible as a remedy for high blood pressure. Sexual reproduction of Flemingia faginea was carried out to evaluate the effect of 2 pre-germination treatments on the seeds’ germination rate. One pre-germination treatement included soaking seeds in tap water for 24h (T1), another soaking in boiling water until cooling for 24h (T2) while the control experiment did not have any pre-germination treatments (T0). We used seeds from two provenances: North-Sudanian (NS) and South-Sudanian (SS). The germination percentage and mean germination time (MGT) were calculated; additionally, the seedling height, diameter, leaves production were monitored for 2 months. The variance analyses fit to tukeys tests were used to compare the effects of the various treatments on germination rate, mean germination time and seedling growth. The best germination rate was obtained with T0 (96% NS and 79% SS). The best mean germination time (MGT) was 7.25 days T2. The best seedling growth was obtained with T0 and T1 (P=0.000). As the provenance is concerned, the NS provenance was the best source for germination capacity, for the best seedling growth. A test using seeds from NS combined at T0 conditions provides optimal conditions for production of F. faginea at almost no cost to the local population.
Highlights
According to the World Health Organization 80% of the world’s population in developing countries partly or exclusively depend on traditional medicine for their health care
The seeds of Flemingia faginea were collected from three sites located in two phytogeographical climatic regions of Burkina Faso, i.e. Ouo and Dougoumato located in the south-Sudanian climate and National Park of Kaboré Tambi (PNKT) located in a north-Sudanian climate (Fontès and Guinko, 1995)
The seeds from North Sudanian (NS), the control treatment T0 had the highest germination rate (96%). This was followed by soaking in tap water at room temperature for 24 hours (T1), which was 90% and the lowest rate was observed in the boiling water treatment (T2) which had a rate of 59%
Summary
According to the World Health Organization 80% of the world’s population in developing countries partly or exclusively depend on traditional medicine for their health care. Traditional medicine that is passed from generation to generation (sometimes as a socio-cultural heritage), has existed for many decades in these regions (Compaoré et al, 2018). In Burkina Faso, traditional medicine remains the main source of primary health care for 70% of the country’s population (Zerbo et al, 2011). Ethnobotanical studies in the country provide information on the use and value of plants such as the inventory and the use of medicinal plants by specific ethnic groups (Ouoba et al, 2006; Bélem and Nana, 2009; Zerbo et al, 2011). Some studies have been conducted on the aqueous extracts of certain medicinal plants to be used, for the treatment of hypertension (Bélemtougri et al, 2007), as antiseptics, analgesics and diaphoretics (Ouattara-Danté et al, 2003), for the treatment of bacillary dysentery (Millogo-Konéet al., 2007), as anti-nociceptive and anti-inflammatory therapies (Konaté et al, 2018) and as treatment against cervical cancer cell lines (Ouattara et al, 2019)
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