Abstract
Bambara groundnut (Vigna subterranea) is so important in most of Africa, and potentially so in other tropical regions, that improvement of its production — especially on a commercial scale — and of its germplasm both deserve renewed and intensive scientific study. Yet, compared with other legumes (such as groundnuts, beans and cowpeas), bambara groundnut has received almost no research or extension attention, although in Ghana and other parts of Africa, it has a higher market value (on a per unit weight basis) than these other legumes. Improving indigenous farm management systems and methods that have resulted from age-old experience and tradition will be difficult for local farmers if they are completely entrenched in their habits. Thus, a survey was conducted to identify and document the traditional farm management practices and key considerations used in bambara groundnut production, along with indigenous knowledge systems linked to the conservation of bambara groundnut germplasm. The study was conducted in the Upper West region of Ghana, which is an area with considerable bambara groundnut genetic diversity. Valuable information on its production and genetic resources exists within the indigenous knowledge systems studied, and ranges from economic and agronomic criteria for peasant farmer selection of particular varieties and traditional uses of the crop, to strategies for the management and conservation of locally adapted varieties, pest and disease management, and environmental and ecological monitoring systems. Research and extension requirements for improving crop production were identified. In addition, germplasm was collected and characterized for conservation.
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