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IJSTR >> Volume 2- Issue 2, February 2013 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Storage Systems For Bambara Groundnut (Vigna Subterranean) And Their Implications For Bruchid Pest Management In Talensi-Nabdam District, Upper East Region, Ghana.

[Full Text]



Ayamdoo A. J., Demuyakor B., Badii K.B., Sowley E.N.K



Index Terms: - Bambara groundnuts, bruchids, Ghana, storage systems, Talensi-Nabdam.



Abstract: - Bamabara groundnut, Vigna subterranea (L.) Verdc, is an important grain legume that plays a significant role in sustainable agriculture, food and nutritional security in sub-Saharan Africa. In northern Ghana one major constraint to the save preservation of bambara groundnut seeds after harvest is infestation by bruchid insects. A survey was conducted to obtain information on the existing storage systems and their implications for bruchid pest management in the Talensi-Nabdam district of Upper East region of Ghana. Six farming communities and five marketing centers were surveyed between January and March, 2012 by administering structured and semi structured questionnaires to respondents drawn by purposive sampling method. The study revealed that the major storage pests infesting bambara groundnuts in the surveyed areas were insects of the bruchid group which were dominated by three species of Callosobruhus and one species of Zabrotes. Storage structures used by farmers and traders included earthenware pots, gourds, mud silos, jute sacks, metal drums and plastic containers but jute sacks and clay pots were rampant in terms of use. Though not all the structures are effective many were used owing to their hermetic conditions against the pests, coupled with their durability, economic and ease of integration with indigenous grain protectants such as admixture with vegetable oils, fine ash and extracts from a local plant scientifically known as Hyptis spicigera. The extract from Hyptis spicigera was more (50 %) in use to preserve Bambara groundnuts because its work better in warding off the bruchid pest. The rampant postharvest losses to bambara groundnut grains in the area could be minimized if these existing storage structures and grain preservation techniques were improved.



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